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The Best of Select: Games 9
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1991-06-04
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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