rn2kb1r/1pq2ppp/p2pbn2/4p3/P3PP2/1NN5/1PP1B1PP/R1BQK2R/b Nb8c6? (Karpov) karpov-mecking p165 this is an error; it is essential to be able to reply to f5 with ...Bc4.
#E. Znosko-Borovsky: How to play the chess openings, Dover reprint.
begin examples from (Znosko)
r1bqk2r/pp1nbppp/2pp3n/4p1N1/P1BPP3/8/1PP2PPP/RNBQK2R/w Bc4xPf7+ (Znosko) game 1
r1bqk2r/pppp1ppp/2n5/8/2BP4/1Q3N2/P4PPP/b1B2RK1/w Bc4xPf7+ (Znosko) (Greco's trap in Moller Attack of GP. Previous move was ...B(c3)xR(a1), which this refutes... white's developmental advantange is too great, is one way to look at it, another is that there is a [very deep] forced win...) game 2
rn1qk2r/ppp2ppp/8/2bP1b2/4nP2/5N2/PPP1Q1PP/RNB1KB1R/w Nb1c3 (Znosko) (g4 is bad) game 3
r1bq1rk1/pppnbppp/4pn2/3p2B1/2PP4/2N1PN2/PP3PPP/2RQKB1R/b Pc7c6 (Znosko) is "forced" game 4
2rr1bk1/p4ppp/1p2p3/8/1P1B4/Pq2P1P1/4QP1P/R3R1K1/b Rc8c2 (Znosko) grabbing 7th rank game 5
r3k2r/pbqpbppp/2n1p3/2pn4/8/2PBPNN1/PP1BQPPP/R3K2R/b Pg7g5 (Znosko) (Also was keene #28) game 6
8/8/8/1p5r/p1p1k1pN/P2pBpP1/1P1K1P2/8/b Pb5b4 (Znosko) game 7
8/p4K2/P7/8/8/8/1k6/8/w Kf7e6 (Znosko) game 8
8/8/6kp/p7/1p4P1/1P3K2/P1P5/8/w Pc2c4 (Znosko) game 9
8/1p4p1/pB2k3/P6R/2r1PP1P/8/8/4b1K1/w Kg1g2 (Znosko) game 10
4k3/p1r1r1p1/2q2p1p/3b1P2/3PpNP1/2p1P1R1/P3QK1P/2R5/w Rc1xPc3 (Znosko) game 11
5rk1/p1p3p1/1p2p3/6Qq/5R1P/5bP1/P3PP2/6K1/w Rf4xRf8+ (Znosko) game 12
#Positions from "KLOP":
#R.D. Keene and D.N.L. Levy: How to play the chess openings,