(;AW[hs]AW[ir]AW[is]AW[iq]AW[jr]AW[kr]AW[lr]AB[hq]AB[hr]AB[gs]AB[fr]AB[fq]AB[fp]AW[eq]AW[er]AW[es]AB[ip]AB[jp]AB[kq]AW[hp]AW[go]AW[hn]AW[io]AW[en]AB[lq]AB[mq]AW[dp]AW[do]AB[mr]C[Black to win the capturing race.]AB[or]AP[goproblems] (;B[fs];W[gq];B[gr];W[gp]) (;B[gq];W[fs]C[Ko.]) (;B[gr];W[ms] (;B[ns];W[ks]C[White gets a ko.]) (;B[ls];W[ks]C[White gets a ko.]) (;B[js];W[ks]C[White gets a ko.]) (;B[jq];W[ks]C[White gets a ko.]) (;B[ks];W[gp]C[G4 or any similar move by white is useless. Black can tenuki.RIGHT])) (;B[jq];W[gr];B[gq];W[fs]C[White gets a ko.]) (;B[ls];W[gr];B[gq];W[fs]C[White gets a ko.]) (;B[ks];W[gr];B[gq];W[fs]C[White gets a ko.]) (;B[js];W[gr];B[gq];W[fs]C[White gets a ko.]) (;B[gp];W[ho] (;B[gr];W[fo]) (;B[fs];W[gq];B[gr]C[Now white can tenuki.]) (;B[gq];W[fs]) (;B[jq];W[fs]C[Thanks to Spica.]) (;B[ls];W[fs]C[Thanks to Spica.]) (;B[ks];W[fs]C[Thanks to Spica.]) (;B[js];W[fs]C[Thanks to Spica.])))