invalid problem set
Problem | 2610 |
Created | 2003-06-21 |
Name | the rainy 4x4 (2/4) |
Source | ferdi |
Rating | |
Difficulty | 7 dan |
Average Solve Time | 50 secs |
User Attempts |
235 / 2064 |
Solve Ratio Rating | 3 dan |
| rating history |
Please find the best result for Black!
(japanese rules)
(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]
RU[Japanese]SZ[4]KM[0.00]
PW[Weiß]PB[Schwarz]AW[aa][cb][ac][bc]AB[ca][da][cc][dc][ad]C[Black to move - what's the best he can do?]PL[B]
(;B[bb]CR[bb]
(;W[ab]CR[ab]
(;B[cd]CR[cd]
;W[ba]CR[ba]
;B[db]CR[db]
;W[bd]CR[bd]
;B[bb]CR[bb]C[...and Black wins! RIGHT])
(;B[db]CR[db]
;W[cd]CR[cd]
(;B[dd]CR[dd]
;W[bd]CR[bd]C[Seki & Jigo (1 prisoner each)!])
(;B[ba]CR[ba]
;W[bd]CR[bd]C[Seki & Jigo (1 prisoner each)!]))
(;B[bd]CR[bd]
;W[cd]CR[cd]
(;B[bd]CR[bd]
;W[ba]CR[ba]C[White wins])
(;B[db]CR[db]
;W[ba]CR[ba]
;B[bd]CR[bd]
;W[cb]CR[cb]C[White wins])))
(;W[cd]CR[cd]
(;B[db]CR[db]
;W[ab]CR[ab]
(;B[ba]CR[ba]
;W[bd]CR[bd]C[Seki & Jigo (1 prisoner each) - B D3 was a mistake!])
(;B[dd]CR[dd]
;W[bd]CR[bd]C[Seki & Jigo (1 prisoner each) - B D3 was a mistake!]))
(;B[ba]CR[ba]C[Black wins!]))
(;W[bd]CR[bd]
;B[cd]CR[cd]
;W[ab]CR[ab]
;B[db]CR[db]C[...and Black wins.]))
(;B[cd]CR[cd]
;W[bb]CR[bb]
;B[db]CR[db]
;W[bd]CR[bd]C[White wins!]))
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