Problem 1562 goproblems.com


Author	system	Created	2002-08-13
Difficulty	18 kyu (history)	Source	Amateur game
AVG solve time	24 sec	Stars	3.89 (19 votes)
User attempts	8886 / 20134	Collections	Amateur Game
Genre	life and death ⓒ	Your attempts	N/A
Similar problems
Created	2002-08-13
Source	Amateur game
Stars	3.89 (19 votes)
Collections	Amateur Game
Your attempts	N/A

(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2] RU[Japanese]SZ[19]KM[0.00]TM[] PW[White]PB[Black]AW[ep][fp][gp][dq][fq][hq][dr][hr][ds][hs]AB[do][eo][fo][go][ho][dp][hp][cq][iq][cr][fr][ir][cs][is]LB[fr:A]PL[W] (;W[fs]CR[fs] ;B[gr]CR[gr] (;W[er]CR[er]C[RIGHT Black can not push; White lives.]) (;W[gq]CR[gq] ;B[er]LB[eq:A][es:B][gs:C]CR[er]C[White has to protect at A, B, or C to get a seki. White can do better.]) (;W[gs]CR[gs] ;B[er]LB[eq:A][gq:B][es:C]CR[er]C[White has to protect at A, B, or C to get a seki. White can do better.]) (;W[es]CR[es] ;B[gs]CR[gs]C[White dies.]) (;W[eq]CR[eq] ;B[gq]CR[gq]C[White dies.])) (;W[er]CR[er] ;B[gs]CR[gs] (;W[gq]CR[gq] ;B[es]LB[fs:A]CR[es]C[Black starts a ko or gets a seki by playing at A instead. White can do better.]) (;W[fs]CR[fs] ;B[es]CR[es]C[Ko. White can do better.]) (;W[gr]CR[gr] ;B[gq]CR[gq]C[White dies.]) (;W[es]CR[es] ;B[gq]CR[gq]C[White dies (the three stones are caught in a snapback).]) (;W[eq]CR[eq] ;B[gq]CR[gq]C[White dies (the three stones are caught in a snapback).])) (;W[gr]CR[gr] ;B[es]CR[es] (;W[eq]CR[eq] ;B[gs]LB[fs:A]CR[gs]C[Black starts a ko or plays at A to get a seki. White can do better.]) (;W[fs]CR[fs] ;B[gs]CR[gs]C[Ko. White can do better.]) (;W[gq]CR[gq] ;B[eq]CR[eq]C[White dies (the three stones are caught in a snapback).]) (;W[gs]CR[gs] ;B[eq]CR[eq]C[White dies (the three stones are caught in a snapback).]) (;W[er]CR[er] ;B[eq]CR[eq]C[White dies.])) (;W[gq]CR[gq] ;B[er]CR[er] (;W[eq]CR[eq] ;B[fs]CR[fs]C[White has only one eye and dies.]) (;W[gr]CR[gr] ;B[eq]CR[eq]C[White dies.]) (;W[es]CR[es] ;B[eq]CR[eq]C[White dies.]) (;W[fs]CR[fs] ;B[eq]CR[eq]C[White dies.]) (;W[gs]CR[gs] ;B[eq]CR[eq]C[White dies.])) (;W[eq]CR[eq] ;B[gr]CR[gr] (;W[gq]CR[gq] ;B[fs]CR[fs]C[White has only one eye and dies.]) (;W[er]CR[er] ;B[gq]CR[gq]C[White dies.]) (;W[es]CR[es] ;B[gq]CR[gq]C[White dies.]) (;W[fs]CR[fs] ;B[gq]CR[gq]C[White dies.]) (;W[gs]CR[gs] ;B[gq]CR[gq]C[White dies.])) (;W[gs]CR[gs] ;B[fs]CR[fs] (;W[gq]CR[gq] ;B[er]LB[eq:A]CR[er]C[White dies. Defending the cut at A leaves one eye.]) (;W[er]CR[er] ;B[gq]CR[gq]C[White dies (the four stones in an L are caught in a snapback).]) (;W[es]CR[es] ;B[gr]CR[gr]C[White dies (even without the last Black move).]) (;W[eq]CR[eq] ;B[gr]CR[gr]C[White dies (even without the last Black move).]) (;W[gr]CR[gr] ;B[gq]CR[gq]C[White dies (even without the last Black move).])) (;W[es]CR[es] ;B[fs]CR[fs] (;W[eq]CR[eq] ;B[gr]LB[gq:A]CR[gr]C[White dies. Defending the cut at A leaves one eye.]) (;W[er]CR[er] ;B[eq]CR[eq]C[White dies (even without the last Black move)]) (;W[gq]CR[gq] ;B[er]CR[er]C[White dies (even without the last Black move).]) (;W[gr]CR[gr] ;B[eq]CR[eq]C[White dies (the four stones in an L are caught in a snapback).]) (;W[gs]CR[gs] ;B[er]CR[er]C[White dies (even without the last Black move).])))