Problem 7253 goproblems.com


Author	WTD	Created	2005-09-17
Difficulty	2 dan (history)	Source	Sensei's Library, Monkey Jump Workshop.
AVG solve time	44 sec	Stars	4.13 (8 votes)
User attempts	812 / 3351	Collections	9*9 games, Monkey Jump
Genre	endgame	Your attempts	N/A
Similar problems
Created	2005-09-17
Source	Sensei's Library, Monkey Jump Workshop.
Stars	4.13 (8 votes)
Collections	9*9 games, Monkey Jump
Your attempts	N/A

(;SZ[9]AW[cc]AW[dc]AW[dd]AW[ed]AW[fd]AW[gd]AW[hd]AW[id]AW[fe]AW[gf]AW[fg]AW[hg]AW[fh]AW[gh]AW[gi]AB[cb]AB[ac]AB[bc]AB[ad]AB[cd]AB[be]AB[de]AB[ee]AB[cf]AB[ef]AB[bg]AB[eg]AB[eh]AB[ei]AB[fi]LB[da:K]LB[ea:S]LB[fa:L]LB[db:P]LB[eb:I]C[No komi, no prisoners yet - Black to win.]GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]RU[Japanese]KM[0.00]PW[White]PB[Black] (;B[da];W[fb] (;B[fa];W[ga] (;B[ea];W[gb] (;B[eb];W[ec] (;B[bb];W[db];B[ca]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT]) (;B[ca];W[db] (;B[bb]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT]) (;B[ba]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT]) (;B[ab]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT])) (;B[db];W[bb]C[U' Ooh!]) (;B[ba];W[db];B[ca]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT]) (;B[ab];W[db];B[ca]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT])) (;B[bb];W[eb];B[db]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT]) (;B[db];W[eb] (;B[bb]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT]) (;B[ba]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT]) (;B[ab]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT])) (;B[ba];W[eb];B[db]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT]) (;B[ab];W[eb];B[db]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT]) (;B[ca];W[db];B[eb];W[ec];B[bb]C[ You won by 1. The defect at 'B8' in the starting position, makes kosumi the best encroachment. In a real game, Black will tenuki after wG8.RIGHT]) (;B[aa];W[db] (;B[eb];W[ec] (;B[ba];W[ca];B[da];W[ea];B[ca]C[W +5]) (;B[bb];W[ca];B[ba];W[da]C[W +8]) (;B[ca];W[bb] (;B[ab];W[ba]C[W +14]) (;B[ba];W[ab]C[W +18]))) (;B[bb];W[eb];B[ca]C[W +1]) (;B[ba];W[eb];B[ca]C[W +1]))) (;B[eb];W[db] (;B[bb];W[ec];B[ca];W[ea]C[W +4]) (;B[gb];W[ea] (;B[ca];W[bb];B[fa];W[ba] (;B[ea];W[ec];B[ab]C[W +6]) (;B[fc];W[ea];B[hb];W[da] (;B[gc];W[ec];B[ha];W[ib];B[ab]C[W +16]) (;B[ha];W[ib] (;B[ec];W[gc];B[ab]C[W +16]) (;B[gc];W[ec];B[ab]C[W +16])))) (;B[bb];W[ca];B[ba];W[da]C[W +8])))) (;B[eb];W[db] (;B[ea];W[bb];B[ca];W[ec];B[ab];W[fa];B[ba]C[W +1]) (;B[bb];W[fa];B[ea];W[ec];B[ca]C[W +1]) (;B[fa];W[bb] (;B[ba];W[ca];B[gb];W[cb];B[fc];W[hb];B[ab];W[hc];B[aa]C[W +13]) (;B[ca];W[ba];B[gb];W[ea];B[fc];W[hb];B[ab]C[W +16])) (;B[ec];W[fa];B[ea];W[bb];B[ca];W[fc];B[ab];W[ba]C[W +15]))) (;B[eb];W[db];B[da] (;W[fb] (;B[bb];W[fa];B[ea];W[ec];B[ca]C[W +1]) (;B[ea] (;W[ec];B[bb];W[fa];B[ca]C[W +1]) (;W[bb];B[ca];W[ec];B[ab];W[fa];B[ba]C[W +1])) (;B[ec];W[fa];B[ea] (;W[fc];B[bb];W[ca];B[ba];W[da]C[W +8]) (;W[bb]C[This is even better for W, as B has no threats.] (;B[ba] (;W[ca];B[ab];W[cb];B[aa]C[W +13]) (;W[fc];B[ab];W[ca];B[da];W[ea];B[ca]C[W +5])) (;B[ca];W[fc];B[ab];W[ba]C[W +15]))) (;B[fa];W[bb] (;B[ba];W[ca];B[gb];W[cb];B[fc];W[hb]C[Your group is dead.];B[ab];W[hc];B[aa]C[W +13]) (;B[ca];W[ba];B[gb];W[ea];B[fc];W[hb];B[ab]C[W +16]))) (;W[bb];B[ca];W[fb] (;B[ab];W[ec];B[ea];W[fa];B[ba]C[W +1]) (;B[ba];W[ec];B[ea];W[fa];B[ab]C[W +1]) (;B[fa];W[ba];B[gb];W[ea];B[fc];W[hb];B[ab]C[W +16]))) (;B[ea] (;W[fa] (;B[eb];W[db];B[da] (;W[fb] (;B[bb];W[ec];B[ca]C[W +1]) (;B[ba];W[ec];B[ca]C[W +1]) (;B[ca];W[ec]LB[bb:A]C[Please play at 'A'. FORCE];B[bb]C[W +1])) (;W[bb];B[ca];W[fb] (;B[ba];W[ec];B[ab]C[W +1]) (;B[ab];W[ec];B[ba]C[W +1]))) (;B[da];W[fb];B[eb];W[ec];B[bb];W[db];B[ca]C[W +1])) (;W[da];B[db];W[eb] (;B[ca];W[fb] (;B[bb];W[fa];B[da]C[W +1]) (;B[fa] (;W[ga];B[bb];W[da];B[ea]C[W +1]) (;W[bb] (;B[ba];W[ga];B[ab];W[da];B[ea]C[W +1]) (;B[ga];W[ba];B[da];W[gb]C[Your group is dead.])))) (;B[fa];W[fb] (;B[ca];W[bb];B[ba];W[ga];B[ab];W[da];B[ea]C[W +1]) (;B[ga];W[ha] (;B[ca];W[gb];B[bb];W[da];B[ea];W[fa];B[da]C[W +1]) (;B[gb];W[hb];B[ca];W[gc];B[bb];W[da];B[ea];W[fa];B[da]C[W +1]))))) (;B[db];W[eb];B[ea];W[fa] (;B[bb];W[da];B[ca];W[ea]C[W +4]) (;B[ca];W[da];B[bb];W[ea]C[W +4]) (;B[fb];W[da] (;B[ca];W[ea];B[bb]C[W +5]) (;B[ba];W[ea];B[ca]C[W +5]) (;B[ga];W[bb];B[ea];W[ca];B[ab]C[W +15]))) (;B[fa];W[da];B[db];W[eb] (;B[bb];W[ea];B[ca]C[W +5]) (;B[ea];W[bb];B[ca];W[ba];B[da];W[fb] (;B[ga];W[gb]C[Your group is dead.]) (;B[ab];W[ga]C[W +15]))))