Problem	9767
Created	2007-02-20
Source	A variation of a problem by Richard Bozulich.
Rating

Difficulty	2.1 dan
Average Solve Time	43 secs
User Attempts	1433 / 3418
Solve Ratio Rating	7 kyu
	rating history

(;AB[cr]AB[bq]AB[bp]AB[dq]AB[eq]AB[er]AB[es]AW[br]AW[cp]AW[cq]AW[co]AW[bo]AW[dp]AW[ep]AW[fp]AW[fq]AW[fr]AW[fs]C[Black to play and live.]AP[goproblems] (;B[ar] (;W[bs] (;B[ap];W[ao]C[White wins.CHOICE]) (;B[aq] (;W[cs]C[White wins.CHOICE]) (;W[ds]C[White wins.CHOICE])) (;B[as];W[aq]C[Oops!CHOICE]) (;B[ds];W[ap]C[White wins.CHOICE]) (;B[dr] (;W[cs]C[White wins.CHOICE]) (;W[ap]C[White wins.CHOICE])) (;B[cs] (;W[ap] (;B[as] (;W[ao] (;B[br]C[Black lives.RIGHT]) (;B[aq]C[Black lives.RIGHT])) (;W[br] (;B[bs]C[Black lives.RIGHT]) (;B[aq];W[bs]C[Oops!CHOICE]))) (;B[aq] (;W[ds]C[White wins.CHOICE]) (;W[as];B[bq] (;W[ds]C[White wins.CHOICE]) (;W[dr]C[White wins.CHOICE])) (;W[dr]C[White wins.CHOICE])) (;B[dr];W[ds]C[Oops!CHOICE]) (;B[ds];W[dr]C[Oops!CHOICE])) (;W[ds] (;B[dr];W[ds]C[Oops!CHOICE]) (;B[ap];W[dr]C[White wins.CHOICE]) (;B[aq];W[dr]C[Oops!CHOICE]) (;B[as] (;W[dr] (;B[ap]C[Black lives.RIGHT]) (;B[br];W[ap]C[White wins.CHOICE]) (;B[bs];W[ap]C[White wins.CHOICE])) (;W[ap];B[dr]C[Black lives.RIGHT])))))) (;B[bs];W[ar]C[White wins.CHOICE]) (;B[cs] (;W[aq]C[White wins.CHOICE]) (;W[ap]C[White wins.CHOICE]) (;W[ar]C[White wins.CHOICE])) (;B[ds] (;W[ar]C[White wins.CHOICE]) (;W[aq]C[White wins.CHOICE]) (;W[ap]C[White wins.CHOICE]) (;W[bs]C[White wins.CHOICE])) (;B[aq];W[ar]C[White wins.CHOICE]) (;B[ap] (;W[ao]C[White wins.CHOICE]) (;W[ds]C[White wins.CHOICE])) (;B[as] (;W[ds]C[White wins.CHOICE]) (;W[aq]C[White wins.CHOICE]) (;W[ap]C[White wins.CHOICE])) (;B[dr] (;W[cs]C[White wins.CHOICE]) (;W[ar]C[White wins.CHOICE]) (;W[aq]C[White wins.CHOICE]) (;W[ap]C[White wins.CHOICE])) (;B[ao];W[aq]C[White wins.CHOICE]))