Problem	1229
Created	2001-12-13
Source	game of igor's
Rating

Difficulty	11.2 kyu
Average Solve Time	34 secs
User Attempts	4375 / 12727
Solve Ratio Rating	5 kyu
	rating history

(;SZ[19]AW[qm]AW[rm]AW[pn]AW[rn]AW[po]AW[qp]AW[oq]AW[pq]AW[pr]AB[ql]AB[rl]AB[om]AB[pm]AB[on]AB[qn]AB[oo]AB[op]AB[mq]AB[nq]AB[nr]AB[or]AB[ps]LB[ps:1]C[how to respond to black 1? try to maximize points in the corner]GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]RU[Japanese]KM[0.00]TM[]PW[White]PB[Black]PL[W] (;W[qr] (;B[qs] (;W[rs] (;B[os] (;W[rq]C[RIGHT]) (;W[pp];B[rr]) (;W[rr]C[RIGHT]) (;W[sr]C[this gives black extra ko threats])) (;B[pp];W[qo] (;B[os]C[RIGHT];W[rr]C[RIGHT]) (;B[rr];W[os]) (;B[rq];W[os])) (;B[rr];W[os]) (;B[rq];W[os])) (;W[rr];B[rs]C[too easy on black]) (;W[pp];B[rr]) (;W[rq];B[rs])) (;B[pp];W[qo];B[qs];W[rs];B[os];W[rr]C[RIGHT])) (;W[qs];B[pp] (;W[qo];B[qr] (;W[qq];B[rs]) (;W[os];B[qq];W[ps];B[rs])) (;W[qq];B[qo]) (;W[qr];B[qo])) (;W[rr];B[rs]C[not optimal]) (;W[rq];B[rs]) (;W[qq];B[rs]) (;W[rs];B[qr] (;W[qs] (;B[pp];W[qo];B[qq]) (;B[rr])) (;W[rr];B[qq];W[pp];B[rp];W[qo];B[ro];W[qn];B[sn])) (;W[qo];B[qr]) (;W[pp];B[qr]))