(;AP[goproblems]AB[dc]AB[db]AB[da]AW[eb]AW[ec]AW[ed]AW[dd]AW[cd]AW[bd]AB[ba]AB[bc]AW[gb]AW[bf]C[slay black](;W[ab];B[ac](;W[cb];B[cc](;W[bb]C[black can't live wth that thorn in his heartRIGHT])(;W[ad];B[bb])(;W[ea];B[bb]))(;W[bb];B[cb];W[ad];B[aa])(;W[cc];B[cb];W[ad];B[bb])(;W[ad];B[bb])(;W[ea];B[cc]))(;W[ac];B[ab](;W[cc];B[cb];W[bb]C[ko is too much mercy])(;W[cb];B[cc])(;W[ad];B[cc])(;W[bb];B[cb]))(;W[cc];B[cb];W[ac];B[ab];W[bb]C[not deadly enough])(;W[bb];B[ab];W[cc];B[cb])(;W[cb];B[cc](;W[ab];B[ac](;W[bb]C[black can't live with that thorn in his heartRIGHT])(;W[ad];B[bb])(;W[ea];B[bb]))(;W[ac];B[ab])(;W[bb];B[ab])(;W[ea];B[ab]))(;W[ad];B[ac](;W[cc];B[cb])(;W[ab];B[cc])))