invalid problem set
Problem | 2706 |
Created | 2003-07-08 |
Name | more 4x4 (1/4) |
Source | ferdi |
Rating | |
Difficulty | 2.1 kyu |
Average Solve Time | 47 secs |
User Attempts |
904 / 3354 |
Solve Ratio Rating | 3 kyu |
| 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[ca][da][bb][ac]AB[db][cc][ad][bd]C[Black to move - what's the best he can do?]
(;B[cb]CR[cb]
(;W[cd]CR[cd]
;B[dd]CR[dd]
;W[bc]CR[bc]
;B[ba]CR[ba]
;W[cd]CR[cd]
;B[bd]CR[bd]C[Black wins! RIGHT CHOICE])
(;W[bc]CR[bc]
;B[cd]CR[cd]
(;W[aa]CR[aa]
;B[ba]CR[ba]
;W[ca]CR[ca]
;B[da]CR[da]
;W[dc]CR[dc]
;B[ba]CR[ba]C[Black wins! RIGHT CHOICE])
(;W[ba]CR[ba]
(;B[aa]CR[aa]C[Black wins! ])
(;B[ab]CR[ab]C[Black wins! ])))
(;W[ba]CR[ba]
;B[bc]CR[bc]C[Black wins!]))
(;B[bc]CR[bc]
(;W[dc]CR[dc]
;B[dd]CR[dd]
;W[cb]CR[cb]
;B[ab]CR[ab]
;W[dc]CR[dc]
;B[ba]CR[ba]
;W[aa]CR[aa]
;B[db]CR[db]
;W[ac]CR[ac]C[White wins!])
(;W[cb]CR[cb]C[This is wrong!]
;B[dc]CR[dc]
;W[ab]CR[ab]
;B[ba]CR[ba]C[Black wins!])
(;W[ab]CR[ab]C[This is wrong!]
;B[cb]CR[cb]C[Black wins!]))
(;B[ab]CR[ab]
;W[bc]CR[bc]
;B[cd]CR[cd]
;W[dc]CR[dc]C[White wins!])
(;B[ba]CR[ba]
;W[cb]CR[cb]
(;B[bc]CR[bc]
;W[dc]CR[dc]
;B[ab]CR[ab]
;W[aa]CR[aa]C[White wins!])
(;B[dc]CR[dc]
;W[cd]CR[cd]C[White wins!])))
Toggle next/previous buttons