Problem 21320 goproblems.com


Author	tamingo	Created	2016-09-18
Difficulty	2 dan (history)	Source	N/A
AVG solve time	150 sec	Stars	4.67 (6 votes)
User attempts	110 / 458	Collections	Timing, Reverse sente basics
Genre	endgame	Your attempts	N/A
Similar problems
Created	2016-09-18
Source	N/A
Stars	4.67 (6 votes)
Collections	Timing, Reverse sente basics
Your attempts	N/A

(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2] RU[Japanese]SZ[13]KM[20.00] CR[lm]AW[ca][ka][la][ab][bb][cb][kb][mb][ac][cc][ec][fc][gc][jc][kc][lc][mc][ad][md][ae][ce][ee][fe][ie][je][ke][me][af][cf][mf][ag][cg][eg][fg][ig][jg][kg][mg][ah][ch][mh][ai][ci][ei][hi][ii][ji][ki][mi][aj][bj][cj][mj][ck][ek][hk][ik][jk][kk][mk][cl][ml][cm][gm][hm][im][jm][km][mm]AB[da][ea][fa][ha][ia][ja][db][fb][gb][hb][jb][dc][cd][dd][ed][fd][gd][hd][id][jd][kd][ld][he][bf][df][ef][ff][gf][hf][if][jf][kf][lf][bg][gg][bh][dh][eh][fh][gh][hh][ih][jh][kh][lh][gi][dj][ej][fj][gj][hj][ij][jj][kj][lj][fk][dl][el][fl][gl][hl][il][jl][kl][ll][fm]LB[ic:B][bd:A]C[20 points komi, black to win the game!] (;B[lm] ;W[lk] (;B[li] ;W[lg] (;B[bd] ;W[be] (;B[le] ;W[ic] ;B[hc] ;W[de] ;B[dg] ;W[di] ;B[dk] ;W[dm]C[Yes, black wins by 1 point! RIGHT]) (;B[ic] ;W[le] ;B[de] ;W[dg] ;B[di] ;W[dk] ;B[dm]C[Jigo. (reverse sente was played too early)])) (;B[le] ;W[ic] (;B[hc] ;W[de] (;B[bd] ;W[be] ;B[dg] ;W[di] ;B[dk] ;W[dm]C[Yes, black wins by 1 point! RIGHT]) (;B[dg] ;W[bd] ;B[di] ;W[dk] ;B[dm]C[White wins by 1 point. (sente was played too late)])) (;B[bd] ;W[be] ;B[hc] ;W[de] ;B[dg] ;W[di] ;B[dk] ;W[dm]C[Yes, black wins by 1 point! RIGHT])) (;B[ic] ;W[le] (;B[bd] ;W[be] ;B[de] ;W[dg] ;B[di] ;W[dk] ;B[dm]C[Jigo. (reverse sente was played too early)]) (;B[de] ;W[dg] (;B[bd] ;W[be] ;B[di] ;W[dk] ;B[dm]C[Jigo. (reverse sente was played too early)]) (;B[di] ;W[bd] ;B[dk] ;W[dm]C[White wins by 1 point. (reverse sente was played too early)])))) (;B[bd] ;W[li] (;B[lg] ;W[be] (;B[le] ;W[ic] ;B[hc] ;W[de] ;B[dg] ;W[di] ;B[dk] ;W[dm]C[Jigo. (sente was played too early)]) (;B[ic] ;W[le] ;B[de] ;W[dg] ;B[di] ;W[dk] ;B[dm]C[White wins by 1 point. (both sente and reverse sente was played too early)])) (;B[be] ;W[lg] (;B[le] ;W[ic] ;B[hc] ;W[de] ;B[dg] ;W[di] ;B[dk] ;W[dm]C[Jigo. (sente was played too early)]) (;B[ic] ;W[le] ;B[de] ;W[dg] ;B[di] ;W[dk] ;B[dm]C[White wins by 1 point. (both sente and reverse sente was played too early)])) (;B[ic] ;W[lg] ;B[be] ;W[le] ;B[de] ;W[dg] ;B[di] ;W[dk] ;B[dm]C[White wins by 1 point. (both sente and reverse sente was played too early)])) (;B[ic] ;W[li] (;B[lg] ;W[le] (;B[de] ;W[dg] (;B[bd] ;W[be] ;B[di] ;W[dk] ;B[dm]C[White wins by 1 point. (reverse sente was played much too early)]) (;B[di] ;W[bd] ;B[dk] ;W[dm]C[White wins by 2 points. (reverse sente was played much too early and sente was played too late)])) (;B[bd] ;W[be] ;B[de] ;W[dg] ;B[di] ;W[dk] ;B[dm]C[White wins by 1 point. (reverse sente was played much too early)])) (;B[bd] ;W[be] ;B[lg] ;W[le] ;B[de] ;W[dg] ;B[di] ;W[dk] ;B[dm]C[White wins by 1 point. (reverse sente was played much too early)]))) (;B[bd] ;W[lm] (;B[lk] ;W[li] (;B[lg] ;W[be] (;B[le] ;W[ic] ;B[hc] ;W[de] ;B[dg] ;W[di] ;B[dk] ;W[dm]C[White wins by 1 point.]) (;B[ic] ;W[le] ;B[de] ;W[dg] ;B[di] ;W[dk] ;B[dm]C[White wins by 2 points.])) (;B[be] ;W[lg] (;B[le] ;W[ic] ;B[hc] ;W[de] ;B[dg] ;W[di] ;B[dk] ;W[dm]C[White wins by 1 point.]) (;B[ic] ;W[le] ;B[de] ;W[dg] ;B[di] ;W[dk] ;B[dm]C[White wins by 2 points.])) (;B[ic] ;W[be] ;B[lg] ;W[le] ;B[de] ;W[dg] ;B[di] ;W[dk] ;B[dm]C[White wins by 2 points.])) (;B[ic] ;W[lk] ;B[li] ;W[be] ;B[lg] ;W[le] ;B[de] ;W[dg] ;B[di] ;W[dk] ;B[dm]C[White wins by 3 points.])) (;B[ic] ;W[lm] (;B[lk] ;W[li] (;B[lg] ;W[le] (;B[de] ;W[dg] (;B[di] ;W[bd] ;B[dk] ;W[dm]C[White wins by 3 points.]) (;B[bd] ;W[be] ;B[di] ;W[dk] ;B[dm]C[White wins by 2 points.])) (;B[bd] ;W[be] ;B[de] ;W[dg] ;B[di] ;W[dk] ;B[dm]C[White wins by 2 points.])) (;B[bd] ;W[be] ;B[lg] ;W[le] ;B[de] ;W[dg] ;B[di] ;W[dk] ;B[dm]C[White wins by 2 points.])) (;B[bd] ;W[lk] ;B[li] ;W[be] ;B[lg] ;W[le] ;B[de] ;W[dg] ;B[di] ;W[dk] ;B[dm]C[White wins by 3 points.])))