Problem 17920 goproblems.com

Add / View flags +2 -1


Author	zwim	Created	2014-10-17
Difficulty	3 dan (history)	Source	one of my own game against Zen bot.
AVG solve time	93 sec	Stars	2.6 (5 votes)
User attempts	210 / 743	Collections	Semeai / Capturing Race, Instruction Required, Under the Stones, Corner based
Genre	life and death	Your attempts	N/A
Similar problems
Created	2014-10-17
Source	one of my own game against Zen bot.
Stars	2.6 (5 votes)
Collections	Semeai / Capturing Race, Instruction Required, Under the Stones, Corner based
Your attempts	N/A

(;AW[cq]AW[fp]AW[en]AW[cn]AW[em]AB[gm]AB[gn]AB[go]AW[fk]AW[ck]AB[jq]AW[bs]AW[br]AW[cr]AW[dr]AW[eq]AW[fq]AW[gq]AW[hr]AW[ir]AB[jr]AB[iq]AB[hq]AB[io]AB[gp]AB[fm]AW[eo]AW[do]AW[co]AW[fl]AW[ek]AW[dk]AB[ar]AB[bq]AB[ap]AB[cp]AB[dp]AB[dq]AB[er]AB[fr]AB[ds]AB[bo]AB[bn]AB[bm]AB[al]AB[cm]AB[dm]AB[dl]AB[el]AW[cl]AW[bl]AW[fn]C[All the corner stones are at stake for both players. White to play first and save the day. (please play E4 only if there is a ko).]AW[ak]AB[am]AP[goproblems] (;W[es];B[aq] (;W[gr];B[fs];W[gs];B[as];W[es]C[You did it ! Nice throw in.RIGHT]) (;W[cs];B[as]C[This loose the semeai]) (;W[fs];B[gs]C[This loose the semeai]) (;W[ao];B[an] (;W[fs];B[gs]C[This loose the semeai]) (;W[cs];B[as]C[This loose the semeai]) (;W[gr];B[fs];W[gs];B[as];W[es]C[Nice. The first throw in was necessary, but the second is not, you'll have to play G2 anyway.RIGHT]) (;W[ep];B[bp] (;W[dn];B[gr]C[oops]) (;W[gr];B[fs];W[gs];B[as];W[es]C[Good. The first throw is the good idea, but there is a more shorter way to deal with things next.RIGHT])))) (;W[gr];B[es] (;W[as];B[cs]C[oops]) (;W[cs];B[as]C[oops]) (;W[fs];B[gs];W[hs];B[aq];W[fs];B[as];W[cs];B[er]C[Nasty under the stones capture, sorry.]) (;W[gs];B[aq];W[fs];B[as];W[cs];B[er]C[Nasty under the stones capture, sorry.])) (;W[fs];B[es] (;W[gr];B[gs];W[hs];B[aq];W[fs];B[as];W[cs];B[er]C[Nasty under the stones capture, sorry.]) (;W[gs];B[aq] (;W[gr];B[as];W[cs];B[er]C[Nasty under the stones capture, sorry.]) (;W[ep];B[bp];W[gr];B[as];W[cs];B[er]C[Nasty under the stones capture, sorry.]))) (;W[as];B[cs]C[oops]) (;W[cs];B[as]C[oops]) (;W[ep]C[NOTTHIS]) (;W[gs];B[aq] (;W[fs];B[as] (;W[es];B[cs]C[Black wins the semai, G1 too slow]) (;W[gr];B[cs]C[Black wins the semai, G1 too slow])) (;W[gr];B[as] (;W[fs];B[cs]C[Black wins the semai, G1 too slow]) (;W[es];B[cs]C[Black wins the semai, G1 too slow])) (;W[es];B[as] (;W[cs];B[ds]C[Snapback]) (;W[fs];B[cs]C[Black wins the semai, G1 too slow]) (;W[gr];B[cs]C[Black wins the semai, G1 too slow]))) (;W[ao];B[gr]C[White suffers lack of liberties everywhere now and the whole corner becomes black.] (;W[ep];B[bp];W[es];B[fs]) (;W[es];B[fs];W[ep];B[bp]) (;W[gs];B[fo])))