(;AB[cs]AB[ds]AB[cq]AB[ep]AB[cp]AB[dp]AB[fp]AB[gq]AB[gr]AB[gs]AB[fr]AW[bs]AW[br]AW[bq]AW[bp]AW[co]AW[do]AW[eo]AW[fo]AW[gp]AW[hp]AW[hn]AW[hq]AW[hr]AW[hs]AW[fq]AP[goproblems] (;W[er];B[eq] (;W[dr];B[cr];W[es]C[Seki (1 point for black)RIGHT]) (;W[es];B[dr];W[cr];B[fs]C[7 points for black, white can do better]) (;W[cr];B[dr]C[7 points for black, white can do better])) (;W[dr];B[er] (;W[cr];B[es];W[dq];B[eq]C[3 points for black, white can do better]) (;W[es];B[cr]C[9 points for black. Playing first, black only gets 8 points!])) (;W[eq];B[er];W[cr];B[dq];W[dr];B[es]C[5 points for black, white can do better]) (;W[cr];B[dr];W[eq];B[dq];W[er];B[es]C[7 points for black, white can do better]))