(;GM[1]CA[UTF-8]AP[GoExpert100]SZ[19]PB[Black]PW[White]EV[官子谱上卷第7题]RE[?]AB[ap]AW[ar]AB[bo]AW[bp]AW[bq]AB[bs]AB[co]AW[cp]AB[cq]AW[cr]AW[cs]AB[dp]AB[dq]AB[eo]AB[eq]AW[fp]AW[fq]AW[gn]PL[W];W[fs];B[fr];W[gr])