Problem	1100
Created	2001-10-24
Source
Rating

Difficulty	1.9 dan
Average Solve Time	65 secs
User Attempts	835 / 4553
Solve Ratio Rating	1 kyu
	rating history

(;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[bb][db][eb][fb][dc][bd][dd][ce][de][bf]AB[ga][cb][gb][bc][cc][fc][hc][cd][fd][ae][be][ee][cf][ef][cg][eg]PL[W] (;W[ac]CR[ac] ;B[ad]CR[ad] (;W[aa]CR[aa] (;B[bg]CR[bg] ;W[ca]CR[ca]C[RIGHT CHOICE ko]) (;B[ca]CR[ca] ;W[af]CR[af]C[RIGHT CHOICE ko])) (;W[ab]CR[ab] ;B[ba]CR[ba]) (;W[ca]CR[ca] ;B[ab]CR[ab] (;W[aa]CR[aa] ;B[ba]CR[ba]) (;W[ba]CR[ba] ;B[bg]CR[bg])) (;W[af]CR[af] ;B[ab]CR[ab])) (;W[ca]CR[ca] ;B[ad]CR[ad] (;W[ab]CR[ab] ;B[ba]CR[ba]) (;W[aa]CR[aa] ;B[ac]CR[ac] (;W[ba]CR[ba] ;B[bg]CR[bg]) (;W[da]CR[da] ;B[bg]CR[bg]))) (;W[af]CR[af] ;B[ad]CR[ad] (;W[ca]CR[ca] ;B[ab]CR[ab]) (;W[ba]CR[ba] ;B[ca]CR[ca]) (;W[ab]CR[ab] ;B[ba]CR[ba])) (;W[bg]CR[bg] ;B[bh]CR[bh]C[this just helps black]) (;W[ba]CR[ba] ;B[ad]CR[ad] ;W[ca]CR[ca] ;B[bg]CR[bg]) (;W[ab]CR[ab] ;B[ad]CR[ad] ;W[ca]CR[ca] ;B[ba]CR[ba]) (;W[da]CR[da] ;B[ad]CR[ad]) (;W[ad]CR[ad] ;B[ac]CR[ac]))