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Text File | 1991-05-19 | 51KB | 3,000 lines

#!/bin/sh # do not concatenate these parts, unpack them in order with /bin/sh # file gnuchess.book continued # if test ! -r _shar_seq_.tmp; then echo 'Please unpack part 1 first!' exit 1 fi (read Scheck if test "$Scheck" != 3; then echo Please unpack part "$Scheck" next! exit 1 else exit 0 fi ) < _shar_seq_.tmp || exit 1 if test ! -f _shar_wnt_.tmp; then echo 'x - still skipping gnuchess.book' else echo 'x - continuing file gnuchess.book' sed 's/^X//' << 'SHAR_EOF' >> 'gnuchess.book' && f2f4 e7e6 d1f3 d8b6 d4b3 b8c6 f1d3 f8e7 c1e3 b6c7 o-o o-o a1e1 c6b4 ! # col. 23f e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1e3 e7e5 d4b3 c8e6 d1d2 b8d7 f2f3 f8e7 g2g4 b7b5 g4g5 f6h5 o-o-o o-o h1g1 a8c8 c3e2 ! # col. 24k; Kotkov-Polugayevski, USSR 1959 e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f1c4 e7e6 o-o f8e7 c4b3 o-o f2f4 b7b5 a2a3 c8b7 f4f5 e6e5 d4e2 b8d7 e2g3 d7c5 b3d5 b7d5 e4d5 a8c8 c1g5 c5d7 g5f6 d7f6 c3e4 c8c4 ! # col. 25o; Ciocaltea-Minic, Bucharest 1966 e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f1c4 e7e6 c4b3 b7b5 f2f4 c8b7 f4f5 e6e5 d4e2 b8d7 o-o f8e7 e2g3 a8c8 c1g5 o-o ! # col. 26e e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 o-o d1d2 b8c6 o-o-o d6d5 e4d5 f6d5 d4c6 b7c6 c3d5 c6d5 d2d5 d8c7 d5a8 c8f5 a8f8 g8f8 d1d2 h7h5 f1e2 f8g8 a2a3 c7b8 ! # col. 27i; Bikhovski-Gik, Moscow 1968 e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 o-o d1d2 b8c6 f1c4 c8d7 o-o-o d8a5 c4b3 f8c8 g2g4 c6e5 h2h4 e5c4 b3c4 c8c4 d4b3 a5a6 h4h5 c4c3 b2c3 d7e6 c1b1 a8c8 e3d4 c8c4 h5g6 h7g6 ! # col. 28k e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 o-o d1d2 b8c6 f1c4 c8d7 o-o-o d8a5 c4b3 f8c8 h2h4 c6e5 h4h5 f6h5 e3h6 e5d3 c1b1 d3b2 b1b2 g7h6 d2h6 c8c3 g2g4 h5f6 g4g5 f6h5 ! # col. 29m; Ostojic-Honfi, Monte Carlo 1968 e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 o-o d1d2 b8c6 f1c4 c8d7 o-o-o d8a5 c4b3 f8c8 c1b1 c6e5 h2h4 e5c4 b3c4 c8c4 d4b3 a5c7 h4h5 c4c3 d2c3 c7c3 b2c3 f6h5 e3d4 d7e6 h1e1 h5f6 e4e5 d6e5 d4e5 f6d5 b1b2 a8c8 ! # col. 30p; Karpov-Korchnoi, 2nd match game 1974. e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 o-o d1d2 b8c6 f1c4 c8d7 h2h4 a8c8 c4b3 c6e5 h4h5 f6h5 o-o-o e5c4 b3c4 c8c4 g2g4 h5f6 d4e2 d8a5 e3h6 g7h6 d2h6 f8c8 d1d3 c4c5 g4g5 c5g5 d3d5 g5d5 c3d5 c8e8 e2c3 d7c6 e4e5 c6d5 e5f6 e7f6 h6h7 g8f8 h7h8 f8e7 c3d5 ! # col. 31 e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 g2g3 b8c6 f1g2 c6d4 d1d4 f8g7 o-o o-o d4d3 c8e6 c3d5 f6d5 e4d5 e6f5 ! # col. 32c; Pulsen-Cortlever, Buenos Aires 1939. e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1g5 f8g7 d1d2 b8c6 o-o-o o-o d4b3 f8e8 f2f3 a7a6 c1b1 b7b5 h2h4 c8e6 g2g4 c6e5 ! # col. 33h e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 f2f4 b8c6 d4c6 b7c6 e4e5 d6e5 d1d8 e8d8 f4e5 f6g4 c1f4 c8e6 c3e4 f8g7 e4g5 g7e5 o-o-o d8c7 g5e6 f7e6 f4e5 g4e5 d1e1 c7d6 g2g3 e5g4 f1c4 e6e5 e1e2 ! # col. 34j e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 f2f4 b8c6 f1b5 d8c7 c3d5 f6d5 e4d5 a7a6 b5c6 b7c6 d4c6 c8b7 c1e3 f8g7 e3d4 g7d4 d1d4 o-o o-o b7c6 ! # col. 35l e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 f2f4 b8d7 f1e2 f8g7 c1e3 o-o e2f3 d7b6 d1e2 e7e5 d4b3 f6g4 f3g4 d8h4 g2g3 h4g4 e2g4 c8g4 ! # col. 36a e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 f1e2 f8g7 c1e3 b8c6 o-o o-o d4b3 c8e6 f2f4 c6a5 f4f5 e6c4 b3a5 c4e2 d1e2 d8a5 g2g4 a8c8 g4g5 c8c3 g5f6 c3e3 e2e3 g7f6 c2c3 f8c8 a2a3 c8c4 a1e1 b7b5 ! # col. 37c; Domnitz-Kraidman, Tel Aviv 1964 e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 f1e2 f8g7 c1e3 b8c6 o-o o-o d4b3 c8e6 f2f4 d8c8 d1e1 f6g4 e2g4 e6g4 f4f5 g6f5 h2h3 g4h3 g2h3 f5e4 e1h4 f7f5 g1h1 f8f7 f1g1 c6e5 c3d5 c8d7 b3d4 e5g6 g1g6 h7g6 a1g1 e7e5 g1g6 d7d8 e3g5 d8a5 d5f6 g8f8 d4e6 ! # col. 38f; Unzicker-Geller, W. Germany-USSR 1960 (drawn) e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 f1e2 f8g7 c1e3 b8c6 o-o o-o d1d2 f6g4 e2g4 c8g4 f2f4 c6d4 e3d4 e7e5 d4e3 e5f4 f1f4 g4e6 f4f2 g7e5 e3d4 a8c8 a1d1 d8a5 a2a3 c8c4 c3e2 a5d2 d1d2 ! # col. 39 e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 f1e2 f8g7 c1e3 b8c6 o-o o-o f2f4 d8b6 d1d3 f6g4 c3d5 g7d4 e2g4 d4e3 d3e3 b6b2 g4c8 a8c8 a1b1 b2a2 b1b7 e7e6 ! # col. 40h e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 f1e2 f8g7 c1e3 b8c6 o-o o-o f2f4 d8b6 e4e5 d6e5 f4e5 c6e5 d4f5 b6b2 f5e7 g8h8 e3d4 b2b4 d4e5 b4e7 d1d4 f6e8 e5g7 e8g7 e2d3 c8e6 ! # col. 41b; Smyslov-Botvinnik, match 1958 e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 f1e2 f8g7 c1e3 b8c6 h2h4 h7h5 f2f3 o-o d1d2 d6d5 d4c6 b7c6 e4e5 f6e8 f3f4 f7f6 o-o-o f6e5 f4e5 g7e5 g2g4 c8g4 e2g4 h5g4 h4h5 g6g5 ! # col. 42d; Van den Burg-Rajkovic, Orebro 1966 e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 f1e2 f8g7 c1e3 b8c6 d4b3 o-o f2f4 c6a5 g2g4 b7b6 g4g5 f6d7 o-o c8b7 e2d3 a8c8 b3a5 b6a5 d1e1 d7c5 f4f5 g7e5 e1h4 e7e6 f5f6 h7h5 d3e2 g8h7 e2h5 f8h8 ! # col. 43f e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 f1e2 f8g7 c1e3 b8c6 d4b3 o-o f2f4 c6a5 g2g4 c8e6 g4g5 f6d7 e3d4 f7f6 h2h4 f6g5 d4g7 g8g7 b3d4 e6g8 f4f5 d8b6 ! # col. 44 e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 f1e2 f8g7 o-o b8c6 d4b3 o-o f2f4 b7b5 e2f3 b5b4 c3d5 f6d5 e4d5 c6a5 b3a5 d8a5 f1e1 f8e8 ! # col. 45i; Smyslov-Korchnoi, Moscow 1960 e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 f1e2 f8g7 d4b3 b8c6 g2g4 b7b6 f2f4 c8b7 e2f3 o-o h2h4 a7a5 a2a4 c6b4 h4h5 d6d5 e4e5 f6g4 b3d4 g4h6 h5g6 f7g6 d4e6 d8d7 e6f8 a8f8 c3b5 d5d4 ! # col. 46 e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 f2f3 e7e5 f1b5 c8d7 b5d7 b8d7 d4f5 d6d5 e4d5 d8a5 b1c3 d7b6 ! # col. 47h; Schweber-Najdorf, Buenos Aires 1970 e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 d1d4 b8c6 f1b5 c8d7 b5c6 d7c6 c2c4 g8f6 b1c3 e7e6 c1g5 f8e7 o-o o-o f1e1 h7h6 g5h4 a7a6 a1d1 d8a5 d4d2 a5b6 f3d4 a8c8 e1e3 f8e8 ! # col. 48i e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 d1d4 a7a6 c1e3 g8f6 b1c3 b8c6 d4b6 d8b6 e3b6 g7g6 o-o-o f8h6 c1b1 o-o f3d4 c8d7 f2f3 c6e5 d4b3 f8c8 b3a5 d7c6 c3d5 c6d5 e4d5 f6d7 b6d4 b7b6 ! # col. 50 e2e4 c7c5 g1f3 d7d6 d2d4 g8f6 d4c5 f6e4 c5d6 e7e6 d1d3 e4d6 b1c3 b8c6 c1f4 f7f6 o-o-o e6e5 c3b5 ! # col. 51c; Pfeiffer-Kottnauer, Helsinki 1952 e2e4 c7c5 g1f3 d7d6 c2c3 g8f6 f1d3 b8c6 d3c2 c8g4 h2h3 g4h5 d2d3 d6d5 d1e2 e7e6 b1d2 f8e7 d2f1 d8a5 ! # col. 52d; Brasket-Evans, U.S. Open Chp. 1960 e2e4 c7c5 g1f3 d7d6 c2c3 g8f6 d2d3 g7g6 g2g3 f8g7 b1d2 o-o f1g2 e7e5 o-o b8c6 a2a4 h7h6 d2b1 d8a5 ! # col. 53h; Ciocaltea-Fischer, Varna 1962 e2e4 c7c5 g1f3 d7d6 g2g3 g7g6 f1g2 f8g7 o-o b8c6 c2c3 e7e5 d2d3 g8e7 f3h4 o-o f2f4 e5f4 g3f4 f7f5 b1d2 g8h8 d2f3 ! # col. 54k; Tarjan-Mednis, U.S. Chp. 1973 e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 g7g6 d4b3 ! e2e4 c7c5 g1f3 d7d6 b1c3 g8f6 e4e5 d6e5 f3e5 a7a6 f1e2 e7e6 o-o d8c7 e5c4 b7b5 c4e3 f8d6 h2h3 b8c6 a2a4 b5b4 c3b1 c8b7 d2d3 c6d4 b1d2 o-o d2f3 d4e2 d1e2 f8e8 e3c4 e6e5 f3g5 e5e4 c4d6 c7d6 g5e4 f6e4 d3e4 b7e4 c1e3 d6c6 ! # col. 55o; Medina-Pomar, Santander 1947 e2e4 c7c5 g1f3 d7d6 b2b4 c5b4 d2d4 g8f6 f1d3 d6d5 b1d2 d5e4 d2e4 b8d7 e4g5 d8c7 c2c4 h7h6 g5h3 g7g5 h3g1 f8g7 g1e2 e7e5 e2g3 e5e4 d1e2 o-o ! # col. 56e; del Corral-Benko, Mallorca 1968 e2e4 c7c5 g1f3 d7d6 f1b5 c8d7 b5d7 d8d7 o-o b8c6 f1e1 g8f6 c2c3 e7e6 d2d3 f8e7 a2a4 o-o b1d2 d7c7 ! # col. 57g; Radovich-Lombardy, Leipzig 1960 e2e4 c7c5 g1f3 d7d6 f1b5 b8c6 o-o a7a6 b5c6 b7c6 d2d4 c5d4 d1d4 e7e5 d4d3 f7f6 c2c4 c8e6 b1c3 d8c7 ! # col. 58j; Gurgenidze-Osnos, Alma Ata 1969 e2e4 c7c5 g1f3 b8c6 f1b5 e7e6 b1c3 g8e7 o-o a7a6 b5c6 e7c6 d2d4 c5d4 f3d4 d7d6 d4c6 b7c6 d1g4 g7g6 e4e5 d6d5 c1g5 f8e7 ! # col. 59m e2e4 c7c5 g1f3 b8c6 f1b5 g7g6 o-o f8g7 c2c3 g8f6 f1e1 o-o d2d4 c5d4 c3d4 d7d5 e4e5 f6e4 b1c3 e4c3 b2c3 c6a5 c1g5 c8f5 f3d2 f8e8 ! # col. 60o e2e4 c7c5 g1f3 b8c6 f1b5 g7g6 o-o f8g7 f1e1 e7e5 f1e1 o-o d2d4 c5d4 c3d4 d7d5 e4e5 f6e4 b1c3 e4c3 b2c3 c6a5 c1g5 c8f5 f3d2 f8e8 ! # col. 61c; Barczay-Szilagyi, Hungarian Chp. 1969 e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 c1g5 c8d7 g5f6 g7f6 d4b3 h8g8 g2g3 f6f5 d1d2 f8g7 e4f5 d7f5 f1g2 d8d7 o-o g7c3 b2c3 f5h3 g2h3 d7h3 ! # col. 62e e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 c1g5 c8d7 d4b3 h7h6 g5h4 a8c8 f1e2 g7g5 h4g3 h6h5 h2h4 g5g4 g3f4 c6e5 d1d4 e5g6 f4g5 f8g7 o-o ! # col. 63g; Matulovic-Masic, Sombor 1968 e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 c1g5 c8d7 f2f4 d8b6 d4b3 f6g4 d1e2 c6d4 c3d5 d4e2 d5b6 a7b6 e1e2 h7h6 g5h4 g7g5 h4g3 g5f4 g3f4 f8g7 c2c3 d7c6 ! # col. 64j; Liberzo-Stein, USSR Chp. 1969-70. Complete game (draw). e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 c1g5 c8d7 d1d3 c6d4 d3d4 d8a5 f2f4 e7e5 d4d3 f8e7 o-o-o d7c6 c1b1 e5f4 g5f4 o-o f1e2 f8e8 e2f3 e7f8 c3d5 f6d7 d3d2 a5d2 d1d2 a8c8 h1d1 d7e5 b2b3 ! # col. 65m; Bronstein-Stein, USSR 1969 e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 c1g5 c8d7 d1d3 c6d4 d3d4 d8a5 f1e2 e7e5 d4d3 a5c7 e2g4 f8e7 g5f6 e7f6 o-o-o f6e7 c3b5 d7b5 d3b5 c7c6 b5d5 c6d5 d1d5 ! # col. 66b; Benko-R. Byrne, US Open Chp. 1968 e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 c1g5 c8d7 d1d2 a8c8 o-o-o c6d4 d2d4 d8a5 g5d2 a7a6 f1c4 a5c5 d4c5 c8c5 c4b3 g7g6 d2e3 c5c8 e3d4 f8g7 c3d5 f6h5 d4g7 h5g7 e4e5 c8c6 d5b4 c6b6 ! # col. 66b alternate; Polgar-Nagy, Hungarian Chp. 1972 e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 c1g5 c8d7 d1d2 a8c8 o-o-o c6d4 d2d4 d8a5 g5d2 e7e5 d4d3 a7a6 c1b1 h7h6 f2f3 a5c7 g2g3 f8e7 h2h4 b7b5 ! # col. 67c; Suetin-Gheorghiu, Hastings 1967/8. Draw. e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 c1g5 c8d7 d1d2 a8c8 o-o-o c6d4 d2d4 d8a5 g5e3 a7a6 f2f3 e7e6 d4b6 a5b6 e3b6 d7c6 f1c4 c6e4 c4e6 f7e6 c3e4 f6e4 f3e4 f8e7 h1f1 e7g5 c1b1 e8e7 c2c3 h8f8 b1c2 f8f1 d1f1 c8f8 ! # col. 68d e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 c1g5 c8d7 d1d2 a8c8 o-o-o c6d4 d2d4 d8a5 f2f4 e7e6 e4e5 d6e5 f4e5 c8c3 g5d2 a5a2 d2c3 g7g6 ! # col. 69fA1; Janosevic-Larsen, Belgrade 1964 e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 c1g5 c8d7 d1d2 a8c8 o-o-o c6d4 d2d4 d8a5 f2f4 c8c3 b2c3 e7e5 d4b4 a5b4 c3b4 f6e4 f1c4 b7b5 c4d5 e4c3 f4e5 h7h6 g5h4 g7g5 h4g3 c3e2 c1b2 e2g3 h2g3 f8g7 ! # col. 70g; Bednarski-Simagin, Polanica Zdroj 1968 e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 c1g5 c8d7 d1d2 a8c8 o-o-o c6d4 d2d4 c8c3 d4c3 f6e4 c3e3 e4g5 e3g5 d8b6 f1c4 e7e6 g5g3 g7g6 c4b3 f8e7 h2h4 h7h5 h1e1 b6b4 g3e3 a7a5 e3d4 ! # col. 71d e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 c1g5 e7e6 d1d2 f8e7 o-o-o c6d4 d2d4 o-o f2f4 h7h6 g5h4 d8a5 f1c4 e6e5 f4e5 d6e5 d4d3 a5c5 h4f6 e7f6 ! # col. 72g e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 c1g5 e7e6 d1d2 f8e7 o-o-o c6d4 d2d4 o-o f2f4 d8a5 f1c4 c8d7 c4b3 d7c6 h1f1 b7b5 g5f6 e7f6 d4d6 f6c3 d6c6 a8c8 c6d7 c8d8 d7e7 c3d2 c1b1 d2f4 d1d8 a5d8 ! # col. 73i e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 c1g5 e7e6 d1d2 f8e7 o-o-o o-o d4b3 d8b6 f2f3 a7a6 g2g4 f8d8 g5e3 b6c7 h2h4 b7b5 g4g5 f6d7 g5g6 f7g6 h4h5 g6h5 h1h5 d7f6 h5g5 c6e5 d2g2 e7f8 f3f4 e5c4 f1c4 b5c4 b3d4 a8b8 d1g1 b8b7 ! # col. 74; Tal-Larsen, match 1969 e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 c1g5 e7e6 d1d2 f8e7 o-o-o o-o d4b3 a7a6 g5f6 g7f6 f1e2 g8h8 e2h5 c8d7 f2f4 b7b5 c1b1 ! # col. 75k e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 c1g5 e7e6 d1d2 f8e7 o-o-o o-o d4b5 d8a5 g5f6 e7f6 b5d6 f8d8 f2f4 e6e5 d2d5 a5c7 f4f5 c6d4 d6b5 c7a5 d5c4 c8f5 b2b4 a5a6 ! # col. 76b; Spasski-Larsen, Santa Monica 1966 e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 c1g5 e7e6 d1d2 f8e7 o-o-o o-o f2f4 h7h6 g5h4 e6e5 d4f5 c8f5 e4f5 d8a5 c1b1 a8d8 h4f6 e7f6 c3d5 a5d2 d5f6 g7f6 d1d2 e5f4 ! # col. 77e; Kujpers-Minev, Halle 1967 e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 c1g5 e7e6 d1d2 f8e7 o-o-o o-o f2f4 d6d5 e4e5 f6d7 h2h4 d7b6 d2e3 c8d7 g5e7 d8e7 h4h5 c6a5 d4b3 a5c4 e3d4 f8c8 c1b1 a7a5 f4f5 a5a4 f5f6 e7f8 h1h3 c4b2 b1b2 b6c4 f1c4 c8c4 d4d2 ! # col. 78h e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 c1g5 e7e6 d1d2 a7a6 o-o-o c8d7 f2f4 h7h6 g5h4 f6e4 d2e1 e4f6 d4f5 d8a5 f5d6 f8d6 d1d6 o-o-o d6d1 e6e5 f1c4 e5f4 c3e4 d7e6 c4e6 f7e6 e4d6 c8b8 e1e6 h8f8 ! # col. 79j; O'Kelly-Simagin corr. 1964 e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 c1g5 e7e6 d1d2 a7a6 o-o-o h7h6 g5h4 f6e4 d2f4 e4g5 d4c6 b7c6 f4a4 d8b6 f2f4 g5h7 f4f5 f8e7 c3e4 a8b8 a4a3 b6b5 ! # col. 80k; Di Camillo-R. Byrne, US Open Chp. 1958 e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 c1g5 e7e6 d1d2 h7h6 g5f6 g7f6 o-o-o a7a6 f2f4 c8d7 f1e2 h6h5 c1b1 d8b6 d4b3 o-o-o h1f1 f8e7 c3a4 b6a7 c2c4 c6d4 ! # col. 81b e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 c1g5 e7e6 d4c6 b7c6 e4e5 d6e5 d1f3 f8e7 f3c6 c8d7 c6f3 e5e4 c3e4 f6e4 g5e7 d8a5 ! # col. 82e e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 c1g5 e7e6 d1d3 f8e7 a1d1 o-o f1e2 c8d7 o-o c6d4 d3d4 d7c6 g1h1 d8a5 f2f4 f8e8 ! # col. 83 e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 h2h3 g7g6 c1e3 f8g7 d1d2 o-o o-o-o c6d4 e3d4 d8a5 c1b1 e7e5 d4e3 c8e6 ! # BAD! -- col. 84i; Karaklajic-Taimanov, Yugoslavia-USSR, match 1956 e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 c1e3 f6g4 f1b5 g4e3 f2e3 c8d7 o-o e7e6 5c6 b7c6 e4e5 f8e7 d1h5 o-o e5d6 e7d6 c3e4 d6e7 a1d1 d8c7 d4b3 h7h6 ! # col. 85 e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 d4e2 e7e6 g2g3 d6d5 e4d5 f6d5 f1g2 d5c3 d1d8 e8d8 e2c3 c8d7 c1d2 f8e7 ! # col. 86c; Carcia-Pomar, Havana 1969 e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 f1c4 e7e5 d4e2 c8e6 c4e6 f7e6 o-o f8e7 f2f4 o-o e2g3 e5f4 f1f4 d8b6 g1h1 a8d8 b2b3 d6d5 e4d5 f6d5 f4f8 e7f8 c3d5 d8d5 d1e1 c6d4 c1e3 f8c5 ! # col. 87 e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 f1c4 d8b6 d4b3 e7e6 o-o f8e7 c1e3 b6c7 f2f4 o-o c4d3 a7a6 d1f3 ! # col. 88 e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 f1c4 e7e6 c1e3 d8c7 d1e2 a7a6 c4b3 c6a5 g2g4 b7b5 g4g5 f6d7 o-o-o d7c5 ! # col. 89mA; Spasjevic-Ostojic, Belgrade 1966 (draw) e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 f1c4 e7e6 c1e3 f8e7 d1e2 a7a6 o-o-o o-o c4b3 d8c7 g2g4 c6d4 d1d4 e6e5 d4c4 c7d8 g4g5 f6e8 h1g1 c8d7 c3d5 d7b5 e3b6 d8d7 e2g4 e7d8 g4d7 b5d7 c4c3 d7e6 b6d8 a8d8 d5e3 d8d7 b3a4 d7c7 ! # col. 90o; Bogdanovic-Shamkovich, Sarajevo 1963 e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 f1c4 e7e6 c1e3 f8e7 d1e2 o-o o-o-o c6d4 e3d4 d8a5 e4e5 d6e5 d4e5 b7b6 c3b5 c8a6 e5c3 a5a4 d1d4 a6b5 c4b5 a4a2 h1d1 f8d8 d4a4 d8d1 e2d1 a2d5 d1d5 f6d5 c3d4 e7g5 c1b1 h7h5 b5c6 a8d8 a4a7 d5b4 c6d7 b4c6 ! # Queen's Catalan, col. 1c; Kramer-Fichtl, Varna Olympics 1962 d2d4 d7d5 c2c4 e7e6 g2g3 g8f6 g1f3 f8e7 f1g2 o-o o-o b8d7 b1c3 c7c6 b2b3 b7b6 c1b2 c8b7 d1c2 a8c8 a1d1 d8c7 e2e4 d5e4 c3e4 f6e4 c2e4 c6c5 d4d5 e7f6 e4c2 e6d5 c4d5 f6b2 c2b2 c8d8 ! # col. 2f d2d4 d7d5 c2c4 e7e6 g2g3 g8f6 g1f3 f8e7 f1g2 o-o o-o b8d7 b1c3 d5c4 e2e4 c7c6 a2a4 a7a5 d1e2 d7b6 f1d1 e7b4 f3e5 d8e7 c1e3 c8d7 e5c4 b6c4 e2c4 e6e5 d4e5 f6g4 ! # col. 3i; Geller-Medina, Beverwijk 1965 d2d4 d7d5 c2c4 e7e6 g2g3 g8f6 g1f3 f8e7 f1g2 o-o o-o b8d7 d1c2 b7b6 c4d5 f6d5 b1c3 c8b7 c3d5 b7d5 e2e4 d5b7 f1d1 c7c5 d4d5 e6d5 e4d5 e7f6 h2h4 h7h6 ! # col. 4k; Geller-Bisguier, Bled 1961 d2d4 d7d5 c2c4 e7e6 g2g3 g8f6 g1f3 f8e7 f1g2 o-o o-o b8d7 d1c2 c7c6 b2b3 b7b6 c1b2 c8b7 b1c3 a8c8 a1d1 b6b5 c4c5 b5b4 c3b1 f6e4 f3e1 f7f5 e1d3 a7a5 d3f4 f8f6 f2f3 e4g5 ! # col. 5m; Benko-Pachman, Budapest 1948 d2d4 d7d5 c2c4 e7e6 g2g3 g8f6 g1f3 f8e7 f1g2 o-o o-o b8d7 d1c2 c7c6 b1d2 b7b6 e2e4 c8b7 b2b3 a8c8 f1d1 d8c7 c1b2 f8d8 a1c1 c7b8 c2b1 a7a5 f3e5 b8a8 ! # col. 6 d2d4 d7d5 c2c4 e7e6 g2g3 g8f6 g1f3 f8e7 f1g2 o-o o-o c7c6 b1c3 b7b6 f3e5 a7a5 d1c2 c8a6 f1d1 b6b5 ! # col. 7d; Evans-Poschel, US Jr. Chp. 1947 d2d4 d7d5 c2c4 e7e6 g2g3 g8f6 g1f3 c7c5 c4d5 f6d5 f1g2 c5d4 o-o f8c5 f3d4 o-o a2a3 b8c6 d4c6 b7c6 b2b4 c5e7 c1b2 e7f6 d1c2 f6b2 c2b2 a7a5 ! # col. 8g; O'Kelly-Euwe, New York 1951 d2d4 d7d5 c2c4 e7e6 g2g3 g8f6 g1f3 d5c4 f1g2 c7c5 o-o b8c6 d1a4 f6d7 d4c5 f8c5 a4c4 o-o b1c3 a7a6 c3e4 c5e7 c1e3 d7b6 c4b3 b6d5 f1d1 d8c7 ! # col. 9 d2d4 d7d5 c2c4 e7e6 g2g3 g8f6 g1f3 d5c4 f1g2 b7b5 a2a4 c7c6 o-o c8b7 f3e5 d8c8 b2b3 c4b3 d1b3 b5b4 a4a5 f6d7 ! # col. 10l; Keres-Korchnoi, Curacao 1962 d2d4 d7d5 c2c4 e7e6 g2g3 g8f6 g1f3 d5c4 d1a4 b8d7 f1g2 a7a6 a4c4 c7c5 d4c5 f8c5 o-o b7b5 c4h4 c8b7 b1d2 c5e7 d2b3 a8c8 h4d4 o-o c1d2 d7c5 ! # col. -- Accelerated Catalan d2d4 d7d5 c2c4 e7e6 g2g3 g8f6 f1g2 d5c4 d1a4 b8d7 b1d2 c7c6 a4c4 e6e5 g1f3 d7b6 c4d3 e5d4 f3d4 f8e7 o-o o-o ! # col. 12e; Muller-Ratzek, Vienna 1951 d2d4 d7d5 c2c4 e7e6 g2g3 g8f6 f1g2 d5c4 d1a4 c8d7 a4c4 d7c6 g1f3 c6d5 c4d3 c7c5 b1c3 d5c6 o-o b8d7 f1d1 d8b6 e2e4 c5d4 f3d4 f8c5 d4c6 c5f2 g1f1 b7c6 c3a4 b6a5 f1f2 a5a4 d3d6 ! # col. 13f; Smyslov-Kere, USSR Chp. 1948 d2d4 d7d5 c2c4 e7e6 g2g3 g8f6 f1g2 d5c4 d1a4 c8d7 a4c4 d7c6 g1f3 b8d7 b1c3 d7b6 c4d3 f8b4 o-o o-o f1d1 h7h6 c1d2 d8e7 a2a3 b4c3 d3c3 f8d8 ! # col. 14g d2d4 d7d5 c2c4 e7e6 g2g3 g8f6 b1c3 d5c4 d1a4 b8c6 f1g2 c8d7 a4c4 c6b4 c4b3 c7c5 g1f3 c5d4 f3d4 e6e5 d4f3 d7e6 b3a4 e6d7 ! # col. 15; Stoltz-Vidmar, Groningen 1946 d2d4 d7d5 c2c4 e7e6 g2g3 g8f6 b1c3 f8e7 f1g2 o-o g1f3 d5c4 d1a4 a7a6 a4c4 b7b5 c4d3 c8b7 ! # col. 16 d2d4 d7d5 c2c4 e7e6 g2g3 g8f6 b1d2 c7c5 d4c5 f8c5 f1g2 b8c6 g1f3 o-o o-o a7a5 c4d5 e6d5 d2b3 c5b6 ! # col. 17d; Mikenas-Aronin, USSR Chp. 1963 d2d4 d7d5 c2c4 e7e6 g2g3 c7c5 c4d5 e6d5 g1f3 b8c6 f1g2 g8f6 o-o f8e7 d4c5 e7c5 b1d2 o-o d2b3 c5b6 b3d4 f8e8 b2b3 c6d4 f3d4 b6d4 d1d4 e8e2 ! # col. 18e d2d4 d7d5 c2c4 e7e6 g2g3 d5c4 d1a4 c8d7 a4c4 c7c5 d4c5 d7c6 g1f3 b8d7 c1e3 g8f6 f1g2 d8c7 o-o c6d5 c4a4 f8c5 e3c5 c7c5 b1c3 d5c6 ! # col. 19 d2d4 d7d5 c2c4 e7e6 g2g3 f8b4 c1d2 b4d2 d1d2 g8f6 g1f3 o-o f1g2 d8e7 o-o b8c6 f1c1 ! # col. 20 d2d4 d7d5 c2c4 e7e6 g2g3 f8b4 c1d2 b4e7 f1g2 g8f6 g1f3 o-o d1b3 b7b6 c4d5 e6d5 b1c3 c8b7 o-o ! # col. 21 d2d4 g8f6 c2c4 e7e6 g2g3 e6e5 g1f3 e5d4 f3d4 d7d5 f1g2 d5c4 d1a4 c7c6 a4c4 f8e7 o-o o-o f1d1 ! # col. 22 d2d4 g8f6 c2c4 e7e6 g2g3 c7c5 g1f3 c5d4 f3d4 d7d5 f1g2 e6e5 d4f3 d5d4 o-o b8c6 e2e3 f8e7 e3d4 e5d4 ! # col. 23g d2d4 g8f6 c2c4 e7e6 g2g3 c7c5 g1f3 c5d4 f3d4 b8c6 f1g2 d8b6 d4c2 f8c5 e2e3 o-o b1c3 b6a6 d1d2 f8d8 a2a3 d7d5 b2b4 d5d4 c3e4 ! # col. 24j; Smyslov-Petrosian, Moscow 1967 d2d4 g8f6 c2c4 e7e6 g2g3 f8b4 b1d2 c7c5 d4c5 b4c5 f1g2 b8c6 g1f3 b7b6 o-o c8b7 a2a3 o-o b2b4 c5e7 c1b2 a8c8 d1b1 ! # col. 25 d2d4 g8f6 c2c4 e7e6 g2g3 f8b4 c1d2 b4d2 d1d2 f6e4 d2c2 f7f5 f2f3 e4f6 e2e4 f5e4 f3e4 e6e5 ! # Alternate openings leading to the Catalan, line C g1f3 d7d5 c2c4 e7e6 g2g3 g8f6 d2d4 ! # line D c2c4 g8f6 d2d4 e7e6 g2g3 d7d5 ! # line E d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 ! # The Reti Opening, col. 1c; Muller-Lilenthal, Budapest 1933 g1f3 d7d5 c2c4 c7c6 b2b3 g8f6 g2g3 c8f5 c1b2 e7e6 f1g2 b8d7 o-o f8d6 d2d3 o-o b1c3 d8e7 f1e1 e6e5 c4d5 c6d5 e2e4 d5e4 d3e4 f5g6 ! # col. 2g; Bilek-Geller, Sousse 1967 g1f3 d7d5 c2c4 c7c6 b2b3 g8f6 g2g3 c8g4 f1g2 e7e6 c1b2 b8d7 o-o f8e7 d2d3 o-o b1d2 a7a5 a2a3 d8b6 d1c2 h7h6 b2c3 f8c8 f1e1 b6d8 e2e4 d8f8 ! # col. 3k; Botvinnik-Fine, Nottingham 1936 g1f3 d7d5 c2c4 d5c4 b1a3 c7c5 a3c4 b8c6 g2g3 e7e5 f1g2 f7f6 b2b3 g8e7 c1b2 e7d5 o-o f8e7 f3h4 o-o d1b1 f8f7 h4f5 c8e6 f2f4 e5f4 g3f4 d5b6 g2e4 e6c4 ! # col. 4n; Katetov-Alekhin, Prague 1943 g1f3 d7d5 c2c4 d5d4 e2e3 b8c6 e3d4 c6d4 f3d4 d8d4 b1c3 e7e5 d2d3 f8c5 c1e3 d4d6 c3b5 d6e7 e3c5 e7c5 d3d4 e5d4 d1d4 c5d4 b5d4 c8g4 ! # col. 5o g1f3 d7d5 c2c4 d5d4 e2e3 c7c5 e3d4 c5d4 g2g3 b8c6 f1g2 g7g6 d2d3 f8g7 o-o e7e5 f1e1 f7f6 b2b4 c6b4 d1a4 b4c6 f3d4 d8d4 g2c6 c8d7 ! # col. 6 g1f3 d7d5 c2c4 e7e6 g2g3 g8f6 f1g2 f8e7 o-o o-o b2b3 c7c5 c4d5 f6d5 c1b2 b8c6 d2d4 d5b4 a2a3 b4a6 d4c5 d8d1 ! # col. 7 g1f3 d7d5 c2c4 e7e6 g2g3 g8f6 f1g2 f8e7 b1c3 o-o b2b3 c7c5 c1b2 b8c6 c4d5 e6d5 a1c1 c8e6 o-o a8c8 d2d4 f8e8 ! # col. 8g; Kashdan-Horowitz, New York 1931 g1f3 d7d5 c2c4 e7e6 g2g3 g8f6 f1g2 b8d7 b2b3 c7c6 o-o f8d6 c1b2 o-o b1c3 b7b6 d2d3 c8b7 e2e4 d5e4 d3e4 d8c7 d1e2 f8d8 f1d1 ! # col. 9h; Abroshin-Krykov corr. 1960 g1f3 d7d5 c2c4 e7e6 g2g3 g8f6 f1g2 d5c4 d1a4 c8d7 a4c4 d7c6 o-o c6d5 c4a4 d8d7 a4c2 b8c6 b1c3 d5f3 g2f3 c6d4 c2d3 c7c6 ! # col. 10m; Teti-Tartakover, Semmering 1926 g1f3 d7d5 c2c4 e7e6 g2g3 d5c4 d1a4 c8d7 a4c4 c7c5 f3e5 b8c6 e5d7 d8d7 f1g2 g8f6 d2d3 f8e7 o-o c6d4 b1c3 a8d8 a2a4 f6d5 ! # Barcza System, col. 11 g1f3 d7d5 g2g3 g8f6 f1g2 c8f5 o-o c7c6 c2c4 d5c4 b1a3 e7e5 a3c4 e5e4 f3e1 f8c5 d2d3 o-o c1e3 b8d7 ! # col. 12d; Benko-Petrosian, Curacao 1962 g1f3 d7d5 g2g3 g8f6 f1g2 c8f5 o-o c7c6 d2d3 b8d7 b1d2 h7h6 d1e1 e7e6 e2e4 f5h7 e1e2 f8e7 e4e5 f6g8 d2b3 e7f8 c2c4 g8e7 b3d4 e7f5 d4f5 h7f5 c4d5 c6d5 d3d4 a7a5 c1e3 f8e7 f1c1 o-o ! # col. 13f; Bronstein-O'Kelly, Beverwijk 1963 g1f3 d7d5 g2g3 g8f6 f1g2 c7c5 o-o e7e6 d2d3 b8c6 b1d2 f8e7 e2e4 o-o f1e1 d8c7 e4e5 f6d7 d1e2 b7b5 h2h4 a7a5 d2f1 c8a6 f1h2 c6b4 h4h5 ! # col. 14i; Evans-Olafsson, Dallas 1957 g1f3 d7d5 g2g3 g8f6 f1g2 g7g6 o-o f8g7 d2d3 o-o b1d2 b8c6 e2e4 e7e5 c2c3 a7a5 f1e1 d5e4 d3e4 f6d7 d1e2 b7b6 d2c4 c8a6 g2f1 d8f6 ! # col. 15 g1f3 d7d5 g2g3 g8f6 f1g2 g7g6 d2d4 f8g7 o-o c7c6 b2b3 b8d7 c1b2 e7e5 d4e5 f6g4 b1d2 d7e5 f3e5 g4e5 ! # col. 16d; Larsen-Mecking, Mallorca 1969 g1f3 d7d5 g2g3 c7c5 f1g2 b8c6 o-o e7e6 d2d3 g7g6 b1c3 f8g7 a2a3 g8e7 a1b1 o-o c1d2 a8b8 b2b4 c5b4 a3b4 b7b5 e2e4 a7a5 ! # col. 17h; Benko-Bisguier, US Chp. 1963 g1f3 d7d5 g2g3 c8g4 f1g2 b8d7 c2c4 c7c6 c4d5 c6d5 b1c3 e7e6 d1b3 d8b6 b3b6 d7b6 d2d3 a8c8 c1e3 f8d6 c3b5 d6b8 o-o g8e7 f1c1 c8c1 a1c1 e7c6 f3d4 e8d7 ! # col. 18j; Keene-Basman, Hastings 1966-7 g1f3 d7d5 g2g3 c8g4 f1g2 g8f6 c2c4 c7c6 c4d5 g4f3 g2f3 c6d5 d1b3 d8d7 b1c3 e7e6 o-o b8c6 f3g2 f8e7 d2d3 o-o ! # col. 19k g1f3 d7d5 g2g3 c8g4 f1g2 g8f6 c2c4 c7c6 d1c2 e7e6 o-o f8e7 b2b3 b8d7 c1b2 o-o d2d3 a7a5 b1d2 a5a4 b2c3 a4b3 a2b3 d8b6 ! # col. 20m g1f3 d7d5 g2g3 c8g4 f1g2 g8f6 o-o c7c6 c2c4 e7e6 c4d5 g4f3 g2f3 c6d5 b1c3 b8c6 d2d3 f8e7 f3g2 ! # col. 21b; Savon-Aronin, USSR 1963 g1f3 d7d5 g2g3 b8c6 d2d4 c8f5 f1g2 c6b4 b1a3 e7e6 o-o g8f6 f3h4 f5g4 c2c4 c7c6 a3c2 b4c2 d1c2 f8e7 h2h3 g4h5 f2f3 h5g6 h4g6 h7g6 ! # col. 22d; Fischer-Ivkov, Santa Monica 1966 g1f3 d7d5 g2g3 e7e6 f1g2 c7c5 o-o b8c6 d2d3 f8d6 e2e4 g8e7 b1d2 o-o f3h4 b7b6 f2f4 d5e4 d3e4 c8a6 f1e1 c5c4 c2c3 ! # col. 23 g1f3 d7d5 g2g3 b8d7 c2c4 e7e6 f1g2 g8f6 b1c3 f8e7 o-o o-o d2d3 c7c5 c4d5 e6d5 c1g5 b7b6 ! # col. 24g; Benko-Bisguier, US Chp. 1976-7 g1f3 d7d5 g2g3 g8f6 f1g2 b7b6 c2c4 e7e6 c4d5 e6d5 o-o f8d6 d2d4 o-o b1c3 c7c6 f3e5 c8b7 c1g5 h7h6 g5f6 d8f6 f2f4 f8d8 e2e4 ! # col. 25; Rabinovich-Rauser, Moscow 1934 g1f3 d7d5 b2b3 c8g4 c1b2 b8d7 c2c4 e7e6 e2e3 g8f6 f1e2 c7c6 f3d4 g4e2 d1e2 f8d6 f2f4 o-o ! # col. 26e; Evans-Najdorf, Dallas 1967 g1f3 c7c5 g2g3 b8c6 f1g2 g7g6 o-o f8g7 e2e4 d7d6 c2c3 e7e5 d2d3 g8h6 f3e1 o-o f2f4 e5f4 c1f4 h6g4 b1a3 g4e5 g1h1 d8b6 d1d2 c8e6 ! # col. 27h; Van den Pol-Barden, Holland v. England 1960 g1f3 f7f5 g2g3 g8f6 f1g2 g7g6 d2d3 f8g7 b1d2 d7d6 e2e4 e7e5 d2c4 o-o e4f5 g6f5 c1e3 b8c6 d3d4 e5e4 ! # col. 28m; Gufeld-Bokuchava, USSR Chp. prelims 1968 g1f3 f7f5 g2g3 g8f6 f1g2 e7e6 c2c4 f8e7 o-o o-o d2d3 d7d6 b1c3 b8c6 a1b1 a7a5 a2a3 d8e8 b2b4 a5b4 a3b4 e6e5 ! # col. 29p; Lundin-Tartakover, Groningen 1946 g1f3 f7f5 g2g3 g8f6 f1g2 e7e6 c2c4 f8e7 o-o o-o b2b3 c7c5 c1b2 b8c6 b1c3 e6e5 e2e3 d7d6 d2d4 ! # col. 30 g1f3 g7g6 g2g3 f8g7 f1g2 e7e5 d2d3 b8c6 e2e4 d7d6 b1c3 g8e7 c1e3 o-o d1d2 c6d4 o-o ! # King's Indian attack, col. 31a g1f3 g8f6 g2g3 b7b5 h2h4 b5b4 d2d3 c8b7 e2e4 d7d6 f1g2 b8d7 o-o e7e6 h4h5 a8b8 b1d2 f8e7 d2c4 o-o ! # col. 32d g1f3 g8f6 g2g3 g7g6 b2b4 f8g7 c1b2 o-o f1g2 d7d5 o-o c8g4 c2c4 c7c6 b1a3 b8d7 a1c1 a7a5 b4b5 a5a4 d2d3 e7e5 ! # col. 33e; Olafsson-Kavalek, Wijik aan Zee 1969 g1f3 g8f6 g2g3 g7g6 b2b3 f8g7 c1b2 o-o f1g2 d7d6 d2d4 f6d7 b1c3 e7e5 d1d2 f8e8 d4e5 d7e5 f3e5 g7e5 ! # col. 34h g1f3 g8f6 g2g3 g7g6 c2c4 d7d6 f1g2 f8g7 o-o o-o b1c3 b8d7 d2d3 e7e5 c1d2 d7c5 b2b4 c5e6 a1b1 f6e8 a2a4 c7c6 a4a5 e8c7 ! # col. 35 g1f3 g8f6 c2c4 g7g6 b2b3 f8g7 c1b2 o-o e2e3 d7d6 f1e2 e7e5 o-o f8e8 b1c3 b8d7 d2d3 c7c6 ! # col. 36d g1f3 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 d1a4 c8d7 a4b3 d5b6 d2d4 f8g7 c1f4 d7e6 b3c2 b8c6 a1d1 ! # col. 37f g1f3 g8f6 c2c4 b7b6 g2g3 c8b7 f1g2 c7c5 o-o g7g6 b2b3 f8g7 c1b2 o-o b1c3 d7d5 c3d5 f6d5 b2g7 g8g7 c4d5 d8d5 d2d4 b8a6 ! # col. 38h; Geller-Kholmov, Moscow 1969 g1f3 g8f6 c2c4 b7b6 g2g3 c8b7 f1g2 e7e6 o-o f8e7 b2b3 o-o c1b2 d7d5 e2e3 b8d7 b1c3 f6e4 c4d5 e4c3 b2c3 e6d5 ! # col. 39 g1f3 g8f6 b2b3 g7g6 c2c4 f8g7 c1b2 o-o g2g3 c7c5 f1g2 b7b6 o-o c8b7 b1c3 e7e6 a1b1 d8e7 ! # col. 40o; Lombardy-Burger, US Chp. 1969-70 g1f3 g8f6 b2b3 d7d5 c1b2 e7e6 e2e3 f8e7 c2c4 o-o d2d4 b7b6 f1d3 c8b7 o-o b8d7 b1d2 c7c5 d1e2 f6e4 a1c1 a8c8 ! SHAR_EOF echo 'File gnuchess.book is complete' && chmod 0444 gnuchess.book || echo 'restore of gnuchess.book failed' Wc_c="`wc -c < 'gnuchess.book'`" test 47344 -eq "$Wc_c" || echo 'gnuchess.book: original size 47344, current size' "$Wc_c" rm -f _shar_wnt_.tmp fi # ============= gnuchess.c ============== if test -f 'gnuchess.c' -a X"$1" != X"-c"; then echo 'x - skipping gnuchess.c (File already exists)' rm -f _shar_wnt_.tmp else > _shar_wnt_.tmp echo 'x - extracting gnuchess.c (Text)' sed 's/^X//' << 'SHAR_EOF' > 'gnuchess.c' && /* X gnuchess.c - C source for GNU CHESS X X Revision: 1991-04-15 X X Copyright (C) 1986, 1987, 1988, 1989, 1990 Free Software Foundation, Inc. X Copyright (c) 1988, 1989, 1990 John Stanback X X This file is part of CHESS. X X CHESS is distributed in the hope that it will be useful, but WITHOUT ANY X WARRANTY. No author or distributor accepts responsibility to anyone for X the consequences of using it or for whether it serves any particular X purpose or works at all, unless he says so in writing. Refer to the CHESS X General Public License for full details. X X Everyone is granted permission to copy, modify and redistribute CHESS, but X only under the conditions described in the CHESS General Public License. X A copy of this license is supposed to have been given to you along with X CHESS so you can know your rights and responsibilities. It should be in a X file named COPYING. Among other things, the copyright notice and this X notice must be preserved on all copies. */ X X #include "gnuchess.h" X #include <ctype.h> X #ifdef MSDOS #include <stdlib.h> #include <string.h> #include <time.h> #define RWA_ACC "r+b" #define WA_ACC "w+b" #else #define RWA_ACC "r+" #define WA_ACC "w+" #include <sys/param.h> #include <sys/types.h> #include <sys/times.h> #endif /* MSDOS */ X /* <stdlib.h> */ extern int abs (int); extern int atoi (const char *); /* <time.h> */ extern long int time (long int *); /* <string.h> */ extern void *memset (void *, int, size_t); X #define valueP 100 #define valueN 350 #define valueB 355 #define valueR 550 #define valueQ 1100 #define valueK 1200 #define ctlP 0x4000 #define ctlN 0x2800 #define ctlB 0x1800 #define ctlR 0x0400 #define ctlQ 0x0200 #define ctlK 0x0100 #define ctlBQ 0x1200 #define ctlBN 0x0800 #define ctlRQ 0x0600 #define ctlNN 0x2000 #define Patak(c, u) (atak[c][u] > ctlP) #define Anyatak(c, u) (atak[c][u] > 0) X #if ttblsz #define truescore 0x0001 #define lowerbound 0x0002 #define upperbound 0x0004 #define kingcastle 0x0008 #define queencastle 0x0010 X struct hashval { X unsigned long key, bd; }; struct hashentry { X unsigned long hashbd; X unsigned short mv; X unsigned char flags, depth; /* char saves some space */ X short score; #ifdef HASHTEST X unsigned char bd[32]; #endif /* HASHTEST */ X }; X #ifdef HASHFILE /* X persistent transposition table. X The size must be a power of 2. If you change the size, X be sure to run gnuchess -c before anything else. */ #define frehash 6 #ifdef MSDOS #define Deffilesz (1 << 11) -1 #else #define Deffilesz (1 << 17) -1 #endif /* MSDOS */ struct fileentry { X unsigned char bd[32]; X unsigned char f, t, flags, depth, sh, sl; }; X /* X In a networked enviroment gnuchess might be compiled on different X hosts with different random number generators, that is not acceptable X if they are going to share the same transposition table. */ unsigned long int next = 1; X unsigned int urand (void) { X next *= 1103515245; X next += 12345; X return ((unsigned int) (next >> 16) & 0xFFFF); } X void srand (unsigned int seed) { X next = seed; } X #else #define urand rand #endif /* HASHFILE */ X static unsigned long hashkey, hashbd; static struct hashval hashcode[2][7][64]; static struct hashentry huge ttable[2][ttblsz]; #endif /* ttblsz */ static short rpthash[2][256]; X FILE *hashfile; char savefile[128] = ""; char listfile[128] = ""; struct leaf Tree[2000], *root; short TrPnt[maxdepth]; short PieceList[2][16], PawnCnt[2][8]; #define wking PieceList[white][0] #define bking PieceList[black][0] #define EnemyKing PieceList[c2][0] short castld[2], Mvboard[64]; short svalue[64]; struct flags flag; short opponent, computer, Awindow, Bwindow, dither, INCscore; long ResponseTime, ExtraTime, Level, et, et0, time0, ft; long NodeCnt, ETnodes, EvalNodes, HashCnt, HashAdd, FHashCnt, FHashAdd, HashCol, X filesz; short HashDepth = 4, HashMoveLimit = 12; short player, xwndw, rehash; struct GameRec GameList[200]; short Sdepth, GameCnt, Game50, MaxSearchDepth; short epsquare, contempt; struct BookEntry *Book, *BKBook; struct TimeControlRec TimeControl; short TCflag, TCmoves, TCminutes, OperatorTime; const short otherside[3] = {1, 0, 2}; unsigned short hint, PrVar[maxdepth]; X static short Pindex[64]; static short PieceCnt[2]; static short c1, c2, *atk1, *atk2, *PC1, *PC2, atak[2][64]; static short mtl[2], pmtl[2], emtl[2], hung[2]; static short FROMsquare, TOsquare, Zscore, zwndw; static short HasKnight[2], HasBishop[2], HasRook[2], HasQueen[2]; static short ChkFlag[maxdepth], CptrFlag[maxdepth], PawnThreat[maxdepth]; static short Pscore[maxdepth], Tscore[maxdepth]; static const short qrook[3] = {0, 56, 0}; static const short krook[3] = {7, 63, 0}; static const short kingP[3] = {4, 60, 0}; static const short rank7[3] = {6, 1, 0}; static const short sweep[8] = {false, false, false, true, true, true, false, false}; static unsigned short killr0[maxdepth], killr1[maxdepth]; static unsigned short killr2[maxdepth], killr3[maxdepth]; static unsigned short PV, Swag0, Swag1, Swag2, Swag3, Swag4; static unsigned char history[8192], *ih; X static short Mwpawn[64], Mbpawn[64], Mknight[2][64], Mbishop[2][64]; static short Mking[2][64], Kfield[2][64]; static const short value[7] = {0, valueP, valueN, valueB, valueR, valueQ, valueK}; static const short control[7] = {0, ctlP, ctlN, ctlB, ctlR, ctlQ, ctlK}; static const short PassedPawn0[8] = {0, 60, 80, 120, 200, 360, 600, 800}; static const short PassedPawn1[8] = {0, 30, 40, 60, 100, 180, 300, 800}; static const short PassedPawn2[8] = {0, 15, 25, 35, 50, 90, 140, 800}; static const short PassedPawn3[8] = {0, 5, 10, 15, 20, 30, 140, 800}; static const short ISOLANI[8] = {-12, -16, -20, -24, -24, -20, -16, -12}; static const short BACKWARD[16] = {-6, -10, -15, -21, -28, -28, -28, -28, X -28, -28, -28, -28, -28, -28, -28, -28}; static const short BMBLTY[14] = {-2, 0, 2, 4, 6, 8, 10, 12, 13, 14, 15, 16, 16, 16}; static const short RMBLTY[15] = {0, 2, 4, 6, 8, 10, 11, 12, 13, 14, 14, 14, 14, 14, 14}; static const short KTHRT[36] = {0, -8, -20, -36, -52, -68, -80, -80, -80, -80, -80, -80, X -80, -80, -80, -80, -80, -80, -80, -80, -80, -80, -80, -80, X -80, -80, -80, -80, -80, -80, -80, -80, -80, -80, -80, -80}; static short KNIGHTPOST, KNIGHTSTRONG, BISHOPSTRONG, KATAK; static short PEDRNK2B, PWEAKH, PADVNCM, PADVNCI, PAWNSHIELD, PDOUBLED, PBLOK; static short RHOPN, RHOPNX, KHOPN, KHOPNX, KSFTY; static short ATAKD, HUNGP, HUNGX, KCASTLD, KMOVD, XRAY, PINVAL; static short stage, stage2, Developed[2]; static short PawnBonus, BishopBonus, RookBonus; static const short KingOpening[64] = {0, 0, -4, -10, -10, -4, 0, 0, X -4, -4, -8, -12, -12, -8, -4, -4, X -12, -16, -20, -20, -20, -20, -16, -12, X -16, -20, -24, -24, -24, -24, -20, -16, X -16, -20, -24, -24, -24, -24, -20, -16, X -12, -16, -20, -20, -20, -20, -16, -12, X -4, -4, -8, -12, -12, -8, -4, -4, X 0, 0, -4, -10, -10, -4, 0, 0}; static const short KingEnding[64] = {0, 6, 12, 18, 18, 12, 6, 0, X 6, 12, 18, 24, 24, 18, 12, 6, X 12, 18, 24, 30, 30, 24, 18, 12, X 18, 24, 30, 36, 36, 30, 24, 18, X 18, 24, 30, 36, 36, 30, 24, 18, X 12, 18, 24, 30, 30, 24, 18, 12, X 6, 12, 18, 24, 24, 18, 12, 6, X 0, 6, 12, 18, 18, 12, 6, 0}; static const short DyingKing[64] = {0, 8, 16, 24, 24, 16, 8, 0, X 8, 32, 40, 48, 48, 40, 32, 8, X 16, 40, 56, 64, 64, 56, 40, 16, X 24, 48, 64, 72, 72, 64, 48, 24, X 24, 48, 64, 72, 72, 64, 48, 24, X 16, 40, 56, 64, 64, 56, 40, 16, X 8, 32, 40, 48, 48, 40, 32, 8, X 0, 8, 16, 24, 24, 16, 8, 0}; static const short KBNK[64] = {99, 90, 80, 70, 60, 50, 40, 40, X 90, 80, 60, 50, 40, 30, 20, 40, X 80, 60, 40, 30, 20, 10, 30, 50, X 70, 50, 30, 10, 0, 20, 40, 60, X 60, 40, 20, 0, 10, 30, 50, 70, X 50, 30, 10, 20, 30, 40, 60, 80, X 40, 20, 30, 40, 50, 60, 80, 90, X 40, 40, 50, 60, 70, 80, 90, 99}; static const short pknight[64] = {0, 4, 8, 10, 10, 8, 4, 0, X 4, 8, 16, 20, 20, 16, 8, 4, X 8, 16, 24, 28, 28, 24, 16, 8, X 10, 20, 28, 32, 32, 28, 20, 10, X 10, 20, 28, 32, 32, 28, 20, 10, X 8, 16, 24, 28, 28, 24, 16, 8, X 4, 8, 16, 20, 20, 16, 8, 4, X 0, 4, 8, 10, 10, 8, 4, 0}; static const short pbishop[64] = {14, 14, 14, 14, 14, 14, 14, 14, X 14, 22, 18, 18, 18, 18, 22, 14, X 14, 18, 22, 22, 22, 22, 18, 14, X 14, 18, 22, 22, 22, 22, 18, 14, X 14, 18, 22, 22, 22, 22, 18, 14, X 14, 18, 22, 22, 22, 22, 18, 14, X 14, 22, 18, 18, 18, 18, 22, 14, X 14, 14, 14, 14, 14, 14, 14, 14}; static const short PawnAdvance[64] = {0, 0, 0, 0, 0, 0, 0, 0, X 4, 4, 4, 0, 0, 4, 4, 4, X 6, 8, 2, 10, 10, 2, 8, 6, X 6, 8, 12, 16, 16, 12, 8, 6, X 8, 12, 16, 24, 24, 16, 12, 8, X 12, 16, 24, 32, 32, 24, 16, 12, X 12, 16, 24, 32, 32, 24, 16, 12, X 0, 0, 0, 0, 0, 0, 0, 0}; X X /* .... MOVE GENERATION VARIABLES AND INITIALIZATIONS .... */ X X #define taxicab(a,b) taxidata[a][b] short distdata[64][64], taxidata[64][64]; X static inline void Initialize_dist (void) { X register short a, b, d, di; X X for (a = 0; a < 64; a++) X for (b = 0; b < 64; b++) X { X d = abs (column (a) - column (b)); X di = abs (row (a) - row (b)); X taxidata[a][b] = d + di; X distdata[a][b] = (d > di ? d : di); X } } X const short Stboard[64] = {rook, knight, bishop, queen, king, bishop, knight, rook, X pawn, pawn, pawn, pawn, pawn, pawn, pawn, pawn, X 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, X 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, X pawn, pawn, pawn, pawn, pawn, pawn, pawn, pawn, X rook, knight, bishop, queen, king, bishop, knight, rook}; const short Stcolor[64] = {white, white, white, white, white, white, white, white, X white, white, white, white, white, white, white, white, X 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, X 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, X black, black, black, black, black, black, black, black, X black, black, black, black, black, black, black, black}; short board[64], color[64]; static unsigned char nextpos[8][64][64]; static unsigned char nextdir[8][64][64]; /* X ptype is used to separate white and black pawns, like this; X ptyp = ptype[side][piece] X piece can be used directly in nextpos/nextdir when generating moves X for pieces that are not black pawns. */ static const short ptype[2][8] = { X no_piece, pawn, knight, bishop, rook, queen, king, no_piece, X no_piece, bpawn, knight, bishop, rook, queen, king, no_piece}; static const short direc[8][8] = { X 0, 0, 0, 0, 0, 0, 0, 0, X 10, 9, 11, 0, 0, 0, 0, 0, X 8, -8, 12, -12, 19, -19, 21, -21, X 9, 11, -9, -11, 0, 0, 0, 0, X 1, 10, -1, -10, 0, 0, 0, 0, X 1, 10, -1, -10, 9, 11, -9, -11, X 1, 10, -1, -10, 9, 11, -9, -11, X -10, -9, -11, 0, 0, 0, 0, 0}; static const short max_steps[8] = {0, 2, 1, 7, 7, 7, 1, 2}; static const short nunmap[120] = { X -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, X -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, X -1, 0, 1, 2, 3, 4, 5, 6, 7, -1, X -1, 8, 9, 10, 11, 12, 13, 14, 15, -1, X -1, 16, 17, 18, 19, 20, 21, 22, 23, -1, X -1, 24, 25, 26, 27, 28, 29, 30, 31, -1, X -1, 32, 33, 34, 35, 36, 37, 38, 39, -1, X -1, 40, 41, 42, 43, 44, 45, 46, 47, -1, X -1, 48, 49, 50, 51, 52, 53, 54, 55, -1, X -1, 56, 57, 58, 59, 60, 61, 62, 63, -1, X -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, X -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}; X X void Initialize_moves (void) X /* X This procedure pre-calculates all moves for every piece from every square. X This data is stored in nextpos/nextdir and used later in the move generation X routines. */ X { X short ptyp, po, p0, d, di, s, delta; X unsigned char *ppos, *pdir; X short dest[8][8]; X short steps[8]; X short sorted[8]; X X for (ptyp = 0; ptyp < 8; ptyp++) X for (po = 0; po < 64; po++) X for (p0 = 0; p0 < 64; p0++) X { X nextpos[ptyp][po][p0] = (unsigned char) po; X nextdir[ptyp][po][p0] = (unsigned char) po; X } X for (ptyp = 1; ptyp < 8; ptyp++) X for (po = 21; po < 99; po++) X if (nunmap[po] >= 0) X { X ppos = nextpos[ptyp][nunmap[po]]; X pdir = nextdir[ptyp][nunmap[po]]; X /* dest is a function of direction and steps */ X for (d = 0; d < 8; d++) X { X dest[d][0] = nunmap[po]; X delta = direc[ptyp][d]; X if (delta != 0) X { X p0 = po; X for (s = 0; s < max_steps[ptyp]; s++) X { X p0 = p0 + delta; X /* X break if (off board) or X (pawns only move two steps from home square) X */ X if (nunmap[p0] < 0 || (ptyp == pawn || ptyp == bpawn) X && s > 0 && (d > 0 || Stboard[nunmap[po]] != pawn)) X break; X else X dest[d][s] = nunmap[p0]; X } X } X else X s = 0; X X /* X sort dest in number of steps order X currently no sort is done due to compability with X the move generation order in old gnu chess X */ X steps[d] = s; X for (di = d; s > 0 && di > 0; di--) X if (steps[sorted[di - 1]] == 0) /* should be: < s */ X sorted[di] = sorted[di - 1]; X else X break; X sorted[di] = d; X } X X /* X update nextpos/nextdir, X pawns have two threads (capture and no capture) X */ X p0 = nunmap[po]; X if (ptyp == pawn || ptyp == bpawn) X { X for (s = 0; s < steps[0]; s++) X { X ppos[p0] = (unsigned char) dest[0][s]; X p0 = dest[0][s]; X } X p0 = nunmap[po]; X for (d = 1; d < 3; d++) X { X pdir[p0] = (unsigned char) dest[d][0]; X p0 = dest[d][0]; X } X } X else X { X pdir[p0] = (unsigned char) dest[sorted[0]][0]; X for (d = 0; d < 8; d++) X for (s = 0; s < steps[sorted[d]]; s++) X { X ppos[p0] = (unsigned char) dest[sorted[d]][s]; X p0 = dest[sorted[d]][s]; X if (d < 7) X pdir[p0] = (unsigned char) dest[sorted[d + 1]][0]; X /* else is already initialized */ X } X } X } } X /* hmm.... shouldn`t main be moved to the interface routines */ int main (int argc, char **argv) { X short int ahead = true, hash = true; X char *xwin = 0; X X while (argc > 1 && ((argv[1][0] == '-') || (argv[1][0] == '+'))) X { X switch (argv[1][1]) X { X case 'a': X ahead = (argv[1][0] == '-') ? false : true; X break; X case 'h': X hash = (argv[1][0] == '-') ? false : true; X break; X case 's': X argc--; X argv++; X if (argc > 1) X strcpy (savefile, argv[1]); X break; X case 'l': X if (argc > 1) X strcpy (listfile, argv[1]); X break; #if ttblsz #ifdef HASHFILE X case 't': /* create or test persistent transposition table */ X hashfile = fopen (HASHFILE, RWA_ACC); X if (hashfile) X { X fseek (hashfile, 0L, SEEK_END); X filesz = (ftell (hashfile) / sizeof (struct fileentry)) - 1; X } X if (hashfile != NULL) X { X long i, j; X int nr[maxdepth]; X struct fileentry n; X X printf ("Counting transposition file entries, wait!\n"); X for (i = 0; i < maxdepth; i++) X nr[i] = 0; X fseek (hashfile, 0L, SEEK_END); X i = ftell (hashfile) / sizeof (struct fileentry); X fseek (hashfile, 0L, SEEK_SET); X for (j = 0; j < i + 1; j++) X { X fread (&n, sizeof (struct fileentry), 1, hashfile); X if (n.depth) X { X nr[n.depth]++; X nr[0]++; X } X } X printf ("The file contains %d entries out of max %d\n", X nr[0], i); X for (j = 1; j < maxdepth; j++) X printf ("%d ", nr[j]); X printf ("\n"); X } X return 0; X case 'c': /* create or test persistent transposition table */ X if (argc > 2) X filesz = atoi (argv[2]); X if (filesz > 0 && filesz < 24) X filesz = (1 << filesz) - 1; X else X filesz = Deffilesz; X if ((hashfile = fopen (HASHFILE, RWA_ACC)) == NULL) X hashfile = fopen (HASHFILE, WA_ACC); X if (hashfile != NULL) X { X long i, j; X struct fileentry n; X printf ("Filling transposition file, wait!\n"); X for (j = 0; j < 32; j++) X n.bd[j] = 0; X n.f = n.t = 0; X n.flags = 0; X n.depth = 0; X n.sh = n.sl = 0; X for (j = 0; j < filesz + 1; j++) X fwrite (&n, sizeof (struct fileentry), 1, hashfile); X fclose (hashfile); X } X return (0); #endif /* HASHFILE */ #endif /* ttblsz */ X case 'x': X xwin = &argv[1][2]; X break; X default: X fprintf (stderr, "Usage: gnuchess [-a] [-t] [-c size] [-s savefile][-l listfile] [-x xwndw]\n"); X } X argv++; X argc--; X } X Level = 0; X TCflag = false; X OperatorTime = 0; X if (argc == 2) X Level = atoi (argv[1]); X if (argc == 3) X { X TCmoves = atoi (argv[1]); X TCminutes = atoi (argv[2]); X TCflag = true; X } X Initialize (); X Initialize_dist (); X Initialize_moves (); X NewGame (); X GetOpenings (); X X flag.easy = ahead; X flag.hash = hash; X if (xwin) X xwndw = atoi (xwin); X X hashfile = NULL; #if ttblsz #ifdef HASHFILE X hashfile = fopen (HASHFILE, RWA_ACC); X if (hashfile) X { X fseek (hashfile, 0L, SEEK_END); X filesz = ftell (hashfile) / sizeof (struct fileentry) - 1; X } #endif /* HASHFILE */ #endif /* ttblsz */ X while (!(flag.quit)) X { X if (flag.bothsides && !flag.mate) X SelectMove (opponent, 1); X else X InputCommand (); X if (!(flag.quit || flag.mate || flag.force)) X SelectMove (computer, 1); X } #if ttblsz #ifdef HASHFILE X if (hashfile) X fclose (hashfile); #endif /* HASHFILE */ #endif /* ttblsz */ X X ExitChess (); X return (0); } X void NewGame (void) X /* X Reset the board and other variables to start a new game. */ X { X short l, c, p; X X stage = stage2 = -1; /* the game is not yet started */ X flag.mate = flag.post = flag.quit = flag.reverse = flag.bothsides = false; X flag.force = false; X flag.hash = flag.easy = flag.beep = flag.rcptr = true; X NodeCnt = et0 = epsquare = 0; X dither = 0; X Awindow = 90; X Bwindow = 90; X xwndw = 90; X MaxSearchDepth = 29; X contempt = 0; X GameCnt = 0; X Game50 = 1; X hint = 0x0C14; X ZeroRPT (); X Developed[white] = Developed[black] = false; X castld[white] = castld[black] = false; X PawnThreat[0] = CptrFlag[0] = false; X Pscore[0] = 12000; X Tscore[0] = 12000; X opponent = white; X computer = black; X for (l = 0; l < 2000; l++) X Tree[l].f = Tree[l].t = 0; #if ttblsz X rehash = 6; X ZeroTTable (); X srand ((unsigned int) 1); X for (c = white; c <= black; c++) X for (p = pawn; p <= king; p++) X for (l = 0; l < 64; l++) X { X hashcode[c][p][l].key = (((unsigned long) urand ())); X hashcode[c][p][l].key += (((unsigned long) urand ()) << 16); X hashcode[c][p][l].bd = (((unsigned long) urand ())); X hashcode[c][p][l].bd += (((unsigned long) urand ()) << 16); X if (sizeof (long) > 4) X { X hashcode[c][p][l].key += (((unsigned long) urand ()) <<32); X hashcode[c][p][l].key += (((unsigned long) urand ()) << 48); X hashcode[c][p][l].bd += (((unsigned long) urand ()) << 32); X hashcode[c][p][l].bd += (((unsigned long) urand ()) << 48); X } X } #endif /* ttblsz */ X for (l = 0; l < 64; l++) X { X board[l] = Stboard[l]; X color[l] = Stcolor[l]; X Mvboard[l] = 0; X } X ClrScreen (); X if (TCflag) X SetTimeControl (); X else if (Level == 0) X SelectLevel (); X InitializeStats (); X time0 = time ((long *) 0); X ElapsedTime (1); X UpdateDisplay (0, 0, 1, 0); X Book = BKBook; } X X /* ............ MOVE GENERATION & SEARCH ROUTINES .............. */ X static inline void pick (short int p1, short int p2) X /* X Find the best move in the tree between indexes p1 and p2. Swap the best X move into the p1 element. */ X { X register short p, s; X short p0, s0; X struct leaf temp; X X s0 = Tree[p1].score; X p0 = p1; X for (p = p1 + 1; p <= p2; p++) X if ((s = Tree[p].score) > s0) X { X s0 = s; X p0 = p; X } X if (p0 != p1) X { X temp = Tree[p1]; X Tree[p1] = Tree[p0]; X Tree[p0] = temp; X } } X void SelectMove (short int side, short int iop) X X /* X Select a move by calling function search() at progressively deeper ply X until time is up or a mate or draw is reached. An alpha-beta window of -90 X to +90 points is set around the score returned from the previous X iteration. If Sdepth != 0 then the program has correctly predicted the X opponents move and the search will start at a depth of Sdepth+1 rather X than a depth of 1. */ X { X static short i, tempb, tempc, tempsf, tempst, xside, rpt; X static short alpha, beta, score; X static struct GameRec *g; X X flag.timeout = false; X xside = otherside[side]; X if (iop != 2) X player = side; X if (TCflag) X { X if ((TimeControl.moves[side] + 3) != 0) X ResponseTime = (TimeControl.clock[side]) / X (TimeControl.moves[side] + 3) - X OperatorTime; X else X ResponseTime = 0; X ResponseTime += (ResponseTime * TimeControl.moves[side]) / (2 * TCmoves + 1); X } X else X ResponseTime = Level; X if (iop == 2) X ResponseTime = 99999; X if (Sdepth > 0 && root->score > Zscore - zwndw) X ResponseTime -= ft; X else if (ResponseTime < 1) X ResponseTime = 1; X ExtraTime = 0; X ExaminePosition (); X ScorePosition (side, &score); X /* Pscore[0] = -score; */ X ShowSidetoMove (); X X if (Sdepth == 0) X { #if ttblsz X /* ZeroTTable (); */ #endif /* ttblsz */ X SearchStartStuff (side); #ifdef NOMEMSET X for (ih = history; ih < history + 8192; ih++) X *ih = 0; #else X memset ((char *) history, 0, sizeof (history)); #endif /* NOMEMSET */ X FROMsquare = TOsquare = -1; X PV = 0; X if (iop != 2) X hint = 0; X for (i = 0; i < maxdepth; i++) X PrVar[i] = killr0[i] = killr1[i] = killr2[i] = killr3[i] = 0; X alpha = score - 90; X beta = score + 90; X rpt = 0; X TrPnt[1] = 0; X root = &Tree[0]; X MoveList (side, 1); X /* Analysis Mode Goes here */ X X for (i = TrPnt[1]; i < TrPnt[2]; i++) X pick (i, TrPnt[2] - 1); X if (Book != NULL) X OpeningBook (&hint); X if (Book != NULL) X flag.timeout = true; X NodeCnt = ETnodes = EvalNodes = HashCnt = FHashAdd = HashAdd = FHashCnt = HashCol = 0; X Zscore = 0; X zwndw = 20; X } X while (!flag.timeout && Sdepth < MaxSearchDepth) X { X Sdepth++; X ShowDepth (' '); X score = search (side, 1, Sdepth, alpha, beta, PrVar, &rpt); X for (i = 1; i <= Sdepth; i++) X killr0[i] = PrVar[i]; X if (score < alpha) X { X ShowDepth ('-'); X ExtraTime = 10 * ResponseTime; X /* ZeroTTable (); */ X score = search (side, 1, Sdepth, -9000, score, PrVar, &rpt); X } X if (score > beta && !(root->flags & exact)) X { X ShowDepth ('+'); X ExtraTime = 0; X /* ZeroTTable (); */ X score = search (side, 1, Sdepth, score, 9000, PrVar, &rpt); X } X score = root->score; X if (!flag.timeout) X for (i = TrPnt[1] + 1; i < TrPnt[2]; i++) X pick (i, TrPnt[2] - 1); X ShowResults (score, PrVar, '.'); X for (i = 1; i <= Sdepth; i++) X killr0[i] = PrVar[i]; X if (score > Zscore - zwndw && score > Tree[1].score + 250) X ExtraTime = 0; X else if (score > Zscore - 3 * zwndw) X ExtraTime = ResponseTime; X else X ExtraTime = 3 * ResponseTime; X if (root->flags & exact) X flag.timeout = true; X if (Tree[1].score < -9000) X flag.timeout = true; X if (4 * et > 2 * ResponseTime + ExtraTime) X flag.timeout = true; X if (!flag.timeout) X { X Tscore[0] = score; X Zscore = (Zscore == 0) ? score : ((Zscore + score) / 2); X } X zwndw = 20 + abs (Zscore / 12); X beta = score + Bwindow; X alpha = ((Zscore < score) ? Zscore : score) - Awindow - zwndw; X } X X score = root->score; X if (rpt >= 2) X { X root->flags |= draw; X DRAW = "Repitition"; X } X if (score < -12000) X { X root->flags |= draw; X DRAW = "Score"; X } X if (!PieceCnt[black] && !PieceCnt[white]) X { X root->flags |= draw; X DRAW = "No pieces"; X } X if ((root->score == -9999) && !(SqAtakd (PieceList[side][0], xside))) SHAR_EOF true || echo 'restore of gnuchess.c failed' fi echo 'End of part 3' echo 'File gnuchess.c is continued in part 4' echo 4 > _shar_seq_.tmp exit 0 exit 0 # Just in case... -- Kent Landfield INTERNET: kent@sparky.IMD.Sterling.COM Sterling Software, IMD UUCP: uunet!sparky!kent Phone: (402) 291-8300 FAX: (402) 291-4362 Please send comp.sources.misc-related mail to kent@uunet.uu.net.