Problem	1531
Created	2002-06-03
Source	Game on IGS: freego vs echo
Rating

Difficulty	7 dan
Average Solve Time	46 secs
User Attempts	161 / 2708
Solve Ratio Rating	5 dan
	rating history

(;GM[1] FF[4] AP[Hibiscus:2.1] SZ[19] ST[3] ;AB[da][db][ec][fc][hc][ib][lb][lc] AW[ca][cb][cf][dc][dd][de][gd][hd][id][jc][kc] PL[W] C[White to kill all the marked stones.] TR[db][hc][ib][ec][fc][da](;W[ja] ;B[fb] (;W[gc] ;B[gb] (;W[fa] ;B[jb] ;W[kb] ;B[ia] ;W[ka] ;B[ga] (;W[ea] ;B[eb] ;W[hb] C[RIGHT] )(;W[hb] ;B[ea] ))(;W[ea] ;B[jb] ;W[kb] ;B[ia] ;W[ka] ;B[eb] ;W[hb] ;B[ha] ;W[ic] ;B[fa] C[ko] )(;W[ia] ;B[ha] )(;W[ha] ;B[jb] ;W[kb] ;B[ia] ;W[ka] ;B[ga] ))(;W[fa] ;B[jb] ;W[kb] ;B[ia] ;W[ka] ;B[ga] (;W[gc] ;B[gb] ;W[ea] ;B[eb] ;W[hb] C[RIGHT] )(;W[ea] ;B[gc] (;W[hb] ;B[eb] )(;W[eb] ;B[hb] ))))(;W[jb] ;B[ja] ;W[ka] ;B[ha] ;W[kb] ;B[gb] ;W[fa] ;B[eb] ;W[gc] ;B[ic] C[ko] )(;W[ka] ;B[fb] ))