The Best of Select: Games 9

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Ishi Format Go game | 1991-06-04 | 4.9 KB | 299 lines

EVENT BOARDSIZE 19 COM Date & Place: 1/4/91 Source: Graded Go Problems Vol 2 - Nihon Ki-in Input by: Tris Wooster - TMW Co File Name: ggpv2-1 Comments: First batch of problems. One event per problem. ENDCOM SETUP B r12 q11 q10 W n16 o16 p16 p15 o14 q14 q13 q12 o12 p11 B o15 q15 r15 p14 SETUP B p13 p12 o13 COM Problem # 1 How should Black play? ENDCOM B 1 n13 COM By playing at 1, Black rescues his four endangered stones. Now the three white stones on the right are doomed. ENDCOM VAR B 1 n14 PRISONER o14 COM Capturing a stone with 1 fails. ENDCOM W 2 n13 B 3 o14 W 4 m14 COM After giving atari with 2 and 4, White will capture seven black stones. ENDCOM ENDVAR EVENT BOARDSIZE 19 COM Problem # 2 ENDCOM SETUP W b8 d8 e7 e6 d6 d5 c5 b6 B d7 c7 c6 b5 b4 c4 d4 COM How does Black play? ENDCOM B 1 b7 COM By giving atari to a white stone with 1, Black can save his three endangered stones. ENDCOM VAR B 1 c8 COM If Black plays 1, ENDCOM W 2 c9 COM White blocks the escape route with 2 and the four black stones will be captured on the next move. ENDCOM ENDVAR EVENT BOARDSIZE 19 COM Problem # 3 ENDCOM SETUP B t17 s17 r17 q17 p17 p16 o15 o14 r14 q13 p12 W s18 r18 q18 p18 o17 o16 SETUP W p15 p14 q14 q16 r16 s16 r15 COM How does Black play? ENDCOM B 1 p13 COM Giving atari with Black 1 is the correct answer. ENDCOM VAR B 1 t16 COM If Black plays 1, ... ENDCOM W 2 t15 COM ... White 2 puts seven black stones into atari. Black has failed. ENDCOM ENDVAR W 2 q15 COM If White connects with 2, ... ENDCOM B 3 s15 COM ..he can't escape after 3. ENDCOM EVENT BOARDSIZE 19 COM Problem # 4 ENDCOM SETUP W d7 d6 e5 f5 g5 f4 g3 h6 h7 g7 B e6 f6 g6 d5 d4 g4 h5 SETUP B j5 j4 COM How does Black play so as to capture four white stones? ENDCOM B 1 f3 VAR B 1 h4 COM Connecting with Black 1 lets white off the hook. ENDCOM W 2 f3 COM After White connects at 2, he cannot be captured ENDCOM ENDVAR W 2 h4 PRISONER g4 B 3 e4 COM First of all, Black gives atari with 1 and 3. ENDCOM W 4 g4 B 5 g2 COM Now, with the atari of 5, it becomes a ladder and White cannot escape. ENDCOM W 6 h3 B 7 j3 W 8 h2 B 9 j2 W 10 h1 B 11 g1 W 12 j1 B 13 k1 PRISONER e5 f5 g5 f4 g3 h4 g4 h3 h2 h1 j1 EVENT BOARDSIZE 19 COM Problem # 5 ENDCOM Setup W M18 N18 O17 P17 O16 N16 N15 M15 M14 L14 L13 Setup B O18 M17 N17 M16 L15 K14 K13 L12 M13 N14 O15 P16 Q16 BoardSize 19 Black White COM How does Black play so as to capture nine white stones? ENDCOM B 1 P18 MARK \t@Q17 COM Black playing at the mark will not work. White answer at P18 will capture a black stone and connect ENDCOM W 2 Q17 B 3 R17 W 4 Q18 B 5 R18 W 6 Q19 B 7 R19 W 8 P19 B 9 O19 Prisoner P19 Q19 Q18 Q17 P17 O17 O16 N16 N15 M15 M14 L14 L13 EVENT BOARDSIZE 19 COM Problem # 6 ENDCOM Setup W D3 E4 G4 G3 H4 H5 J5 J6 K6 K7 Setup B K8 L7 L6 K5 J4 H3 J7 H6 G5 F4 E3 BoardSize 19 Black White COM How does Black play so as to capture eight white stones? ENDCOM B 1 G2 MARK \t@F3 COM Giving atari at the mark fails. White extends to 2, leaving Black with too many defects in his position to defend properly. ENDCOM W 2 F3 B 3 F2 Prisoner F3 G3 G4 H4 H5 J5 J6 K6 K7 EVENT BOARDSIZE 19 COM Problem # 7 ENDCOM Setup W Q18 P18 O18 P17 R17 R16 O16 O15 P15 Q12 K15 Setup B O17 N17 N16 Q17 P16 Q16 Q15 Q14 BoardSize 19 Black White COM How does Black play so as to capture three white stones? ENDCOM B 1 N14 MARK \d@N15 \d@O14 \d@P14 COM If White tries to escape at any of the marked places, black blocks and there is no way to avoid capture. ENDCOM W 2 N15 B 3 M15 W 4 O14 B 5 O13 EVENT BOARDSIZE 19 COM Problem # 8 ENDCOM Setup W B2 B3 C3 D2 E2 E3 F4 F5 E5 D5 Setup B F3 G4 G2 E4 D4 D3 C4 C5 D6 E6 G9 Setup W F8 G8 H8 D8 BoardSize 19 Black White COM How does Black play so as to capture four white stones? ENDCOM B 1 G6 MARK 1@F6 MARK 2@G5 2@G5 COM Giving atari with 1 fails. White extends to 2 and can no longer be captured. ENDCOM W 2 F6 B 3 F7 W 4 F2 B 5 G5 Prisoner F5 F6 F4 E5 D5 EVENT BOARDSIZE 19 COM Problem # 9 ENDCOM Setup W S16 S15 R16 Q16 P15 R14 Q13 P13 O12 O11 P11 Q11 R11 Setup B R15 N13 O13 P12 Q12 R12 R13 S14 BoardSize 19 Black White COM How does Black play so as to connect his stones on the left and right? ENDCOM B 1 P14 MARK \d@Q14 COM Not at the mark. White will play at P14 and the black stones on the right are dead. ENDCOM W 2 Q15 Prisoner R15 B 3 Q14 Prisoner Q13 P13 EVENT BOARDSIZE 19 COM Problem # 10 ENDCOM Setup W B3 A4 B5 C4 C6 D6 D7 D5 Setup B A5 A6 B6 C7 D8 E7 E5 E6 Setup W BoardSize 19 Black White COM How does Black play? EndCom B 1 D4 W 2 C5 B 3 C3 W 4 B4 B 5 B2 W 6 A3 B 7 A2 Prisoner A3 A4 B3 B4 B5 C4 C5 C6 D5 D6 D7