Problem 6544 goproblems.com


Author	Trucid	Created	2005-05-18
Difficulty	4 dan (history)	Source	Based on SL page
AVG solve time	42 sec	Stars	4.13 (8 votes)
User attempts	649 / 2935	Collections	CGT
Genre	endgame	Your attempts	N/A
Similar problems
Created	2005-05-18
Source	Based on SL page
Stars	4.13 (8 votes)
Collections	CGT
Your attempts	N/A

(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2] RU[Japanese]SZ[7]KM[0.00] PW[White]PB[Black]AW[ba][da][fa][ab][bb][cb][db][fb][gb][bc][ec][bd][be][af][bf]AB[dc][fc][gc][dd][ed][fd][de][df][ef][ff][fg]C[White to play and win. No komi, no prisoners.]PL[W] (;W[cf]CR[cf] (;B[eb]CR[eb]C[CHOICE] ;W[dg]CR[dg]C[RIGHT White wins by a point. C2 looks strange, but it's the only winning move.]) (;B[cg]CR[cg]C[CHOICE] (;W[bg]CR[bg] ;B[dg]CR[dg] ;W[eb]CR[eb]C[RIGHT White wins by a point. C2 looks strange, but it's the only winning move.]) (;W[eb]CR[eb] ;B[bg]CR[bg]C[Jigo. Black gets the last play, which lets him tie.]))) (;W[dg]CR[dg] ;B[cf]CR[cf] (;W[eb]CR[eb] ;B[bg]CR[bg]C[White loses by two points.]) (;W[cg]CR[cg] ;B[eb]CR[eb]C[Jigo. Black gets the last play, which lets him tie.])) (;W[eb]CR[eb] ;B[cg]CR[cg] (;W[cf]CR[cf] ;B[bg]CR[bg]C[Jigo. Black gets the last play, which lets him tie.]) (;W[bg]CR[bg] ;B[cf]CR[cf]C[Jigo. Black gets the last play, which lets him tie.])) (;W[cg]CR[cg] ;B[eb]CR[eb] (;W[dg]CR[dg] ;B[cf]CR[cf]C[Jigo. Black gets the last play, which lets him tie.]) (;W[cf]CR[cf] ;B[dg]CR[dg]C[Jigo. Black gets the last play, which lets him tie.]) (;W[ea]CR[ea] (;B[cf]CR[cf] (;W[ec]CR[ec] ;B[dg]CR[dg] (;W[bg]CR[bg] ;B[eb]CR[eb]C[White has no ko threats and loses by a point. E9 was not necessary and in this case it lost a point.]) (;W[eb]CR[eb] ;B[bg]CR[bg]C[White loses by two points.])) (;W[dg]CR[dg] ;B[ec]CR[ec]C[Jigo])) (;B[dg]CR[dg] (;W[cf]CR[cf] ;B[ec]CR[ec]C[Jigo.]) (;W[ec]CR[ec] ;B[cf]CR[cf] (;W[bg]CR[bg] ;B[eb]CR[eb]C[White has no ko threats and loses by a point. E9 was not necessary and in this case it lost a point.]) (;W[eb]CR[eb] ;B[bg]CR[bg]C[White loses by two points.]))))) (;W[bg]CR[bg] (;B[eb]CR[eb]C[CHOICE] ;W[dg]CR[dg]C[Jigo. B1 was such a bad move that white fails to win even after getting the last play.]) (;B[cf]CR[cf]C[CHOICE] (;W[eb]CR[eb] ;B[cg]CR[cg]C[Jigo. Black gets the last play, which lets him tie.]) (;W[cg]CR[cg] ;B[eb]CR[eb] ;W[dg]CR[dg]C[Jigo. B1 was such a bad move that white fails to win even after getting the last play.]))))