invalid problem set
Problem | 22911 |
Created | 2020-11-27 |
Source | blyx and cae on a var of https://online-go.com/game/28653163 |
Rating | |
Difficulty | 7 dan |
Average Solve Time | 28 secs |
User Attempts |
9 / 77 |
Solve Ratio Rating | 3 dan |
| rating history |
(;FF[4]GM[1]CA[UTF-8]AP[besogo:0.0.2-alpha]SZ[19]ST[0]
AB[bb][ce][cg][db][dc][dd][dg][ec][ef][eg][fa][fb]AW[bc][be][cc][cf][de][df][ed][ee][fc][fd][ff][fg][ga][gb]
C[B to move]
(;B[cb]
(;W[da]
(;B[ac]
;W[ab]
(;B[aa]
;W[ad]
(;B[cd]
;W[ab]
(;B[bd]
;W[ba]
(;B[bf]LB[ac:4][af:1][ag:6][bc:5][bg:2][eb:3]
C[nice! B is safe! (W cannot force a real ko) RIGHT])
(;B[ac]
;W[bc]
(;B[bf]LB[af:1][ag:4][bg:2][eb:3]
C[nice! B is safe! (W cannot force a real ko) RIGHT])
(;B[ca]LB[bf:2][ea:1]
C[nice! B is safe! (W cannot force a real ko) RIGHT])
(;B[eb]
;W[bf]))
(;B[ca]
;W[eb]))
(;B[ca]
;W[ea]
;B[bd]
C[nice! B is safe! (W cannot force a real ko) RIGHT])
(;B[bf]
;W[bd]
C[ko!]))
(;B[ab]
(;W[eb]
(;B[ca]
;W[ea]LB[ba:4][bd:2][bf:3][cd:1])
(;B[cd]
;W[ca]LB[bd:1][bg:2]))
(;W[ca]LB[ba:1][bd:6][bf:7][cd:5][da:4][ea:2][eb:3]
C[W doesn't play this instead as B at 1 would live]))
(;B[ca]
;W[ea]
(;B[eb]
;W[ab]
C[ko!])
(;B[cd]
;W[bd]
C[ko!])
(;B[ab]
;W[eb]LB[ba:4][bd:2][bf:3][cd:1]))
(;B[eb]
;W[cd]
C[ko!]))
(;B[ca]
;W[ea]
(;B[aa]
;W[ad]
C[ko!])
(;B[bd]
;W[ad]LB[aa:3][bf:2][cd:1]
C[ko!])
(;B[eb]
;W[ad]))
(;B[bd]
;W[ad]LB[aa:5][bf:2][ca:3][cd:1][ea:4]
C[ko!])
(;B[ad]
;W[bd]
(;B[aa]
;W[ca])
(;B[ca]
;W[ea]TR[aa][eb])))
(;B[ca]
;W[ea]
(;B[ac]
;W[ab]
(;B[aa]
;W[ad]
C[ko!])
(;B[bd]
;W[ad]LB[aa:3][bf:2][cd:1]
C[ko!])
(;B[eb]
;W[ad])
(;B[ad]
;W[bd]TR[aa][eb]))
(;B[cd]
;W[bd]TR[ab][eb])
(;B[ab]
;W[eb])
(;B[eb]
;W[ab]))
(;B[ab]
;W[eb]))
(;W[ea]
(;B[ac]
(;W[eb]
;B[bd]
C[RIGHT])
(;W[bd]
(;B[eb]LB[ac:A][bd:B]
C[Good! The trick was to realize A is sente - If W doesn't answer, B captures with snapback! RIGHT])
(;B[da]
;W[eb]TR[ab][ba])
(;B[ab]
;W[eb]TR[ba][da])
(;B[ba]
;W[eb]TR[ab][da])))
(;B[eb]
;W[ab]TR[ba][da])
(;B[da]
;W[eb]TR[ab][ba])
(;B[ab]
;W[eb]TR[ba][da])
(;B[ba]
;W[eb]TR[ab][da])
(;B[cd]
;W[bd]
(;B[eb]
;W[ab]TR[ba][da])
(;B[da]
;W[eb]TR[ab][ba])
(;B[ab]
;W[eb]TR[ba][da])
(;B[ba]
;W[eb]TR[ab][da]))
(;B[bd]
;W[cd]
(;B[eb]
;W[ab]TR[ba][da])
(;B[da]
;W[eb]TR[ab][ba])
(;B[ab]
;W[eb]TR[ba][da])
(;B[ba]
;W[eb]TR[ab][da])))
(;W[ab]
;B[ea]
C[RIGHT]))
(;B[ea]
;W[cb])
(;B[cd]
;W[bd]
;B[cb]
;W[ea]
(;B[eb]
;W[ab]TR[ba][da])
(;B[da]
;W[eb]TR[ab][ba])
(;B[ab]
;W[eb]TR[ba][da])
(;B[ba]
;W[eb]TR[ab][da])))
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