invalid problem set
Problem | 12468 |
Created | 2009-03-14 |
Name | Lee Chang Ho problem #20 |
Source | Lee Chang Ho L&D korean book |
Rating | |
Difficulty | 7 dan |
Average Solve Time | 57 secs |
User Attempts |
62 / 326 |
Solve Ratio Rating | 1 kyu |
| rating history |
White did the marked exchange, and then played elsewhere. Punish him!
(;SZ[19]AW[aq]AW[cq]AW[dq]AW[eq]AW[ar]AW[br]AW[fr]AB[cn]AB[eo]AB[ap]AB[bp]AB[cp]AB[fp]AB[bq]AB[fq]AB[hq]AB[gr]TR[ap]TR[aq]GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]KM[0.00]
(;B[cs]
(;W[ds]C[CHOICE];B[bs];W[cr];B[er];W[fs];B[gs]C[RIGHT])
(;W[cr];B[er]C[RIGHT]))
(;B[es];W[ds];B[dr];W[er];B[cs];W[cr]C[Ko])
(;B[bs];W[cs]
(;B[ds];W[dr])
(;B[er];W[dr]))
(;B[ds];W[es];B[bs];W[cr];B[cs];W[er]))
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