Problem	452
Created	2001-03-22
Source	GZP middle 353
Rating

Difficulty	1.5 kyu
Average Solve Time	61 secs
User Attempts	808 / 4275
Solve Ratio Rating	1 kyu
	rating history

(;GM[1]FF[4]CA[UTF-8] SZ[19]RU[Japanese]KM[0]TM[1800,0,30,5]PW[]PB[]AB[qs][qr][rq][rp]AW[qq][pq][pr][qp][qo][qn][rn][so][sp]AB[op][nq][nr][rm]AE[rk]AB[rl]AE[qm][nl][nm][om]AB[pm]AE[pp][on]AB[pn]AE[ol]AB[pl]AE[po]AB[oo]C[what can black do?] (;B[rs]CR[rs] ;W[ps]CR[ps] (;B[sr]CR[sr] ;W[sq]CR[sq]LB[os:A][rr:B]C[play at A or B] (;B[os]CR[os] ;W[ro]CR[ro]LB[or:A][rr:B]C[A or B?] (;B[or]CR[or] ;W[rr]CR[rr] ;B[rq]CR[rq] ;W[rp]CR[rp]LB[oq:A][rr:B]C[A or B?] (;B[rr]CR[rr] ;W[ss]CR[ss] ;B[rr]CR[rr]C[RIGHT dead shape]) (;B[oq]CR[oq] ;W[rr]CR[rr]C[ko])) (;B[rr]CR[rr] ;W[ss]CR[ss] ;B[rr]CR[rr] ;W[rq]CR[rq])) (;B[rr]CR[rr] ;W[ro]CR[ro])) (;B[sq]CR[sq] ;W[sr]CR[sr]) (;B[ss]CR[ss] ;W[sr]CR[sr] ;B[rr]CR[rr] ;W[sq]CR[sq])) (;B[ps]CR[ps] ;W[os]CR[os] (;B[or]CR[or] ;W[rr]CR[rr] (;B[ns]CR[ns] ;W[rs]CR[rs] ;B[os]CR[os] ;W[sq]CR[sq] ;B[sr]CR[sr] ;W[ro]CR[ro] ;B[rq]CR[rq] ;W[rp]CR[rp]) (;B[sr]CR[sr] ;W[rs]CR[rs])) (;B[sr]CR[sr] ;W[rs]CR[rs] ;B[rr]CR[rr] ;W[or]CR[or])) (;B[sr]CR[sr] ;W[rs]CR[rs] ;B[ps]CR[ps] ;W[os]CR[os] ;B[rr]CR[rr] ;W[or]CR[or]) (;B[sq]CR[sq] ;W[ps]CR[ps]) (;B[ss]CR[ss] ;W[ps]CR[ps] ;B[rr]CR[rr] ;W[sq]CR[sq]) (;B[os]CR[os] ;W[ps]CR[ps]) (;B[ro]CR[ro] ;W[rr]CR[rr]) (;B[rr]CR[rr] ;W[ps]CR[ps] ;B[sq]CR[sq] ;W[ss]CR[ss]))