(;AB[rn]AB[ql]AB[lq]AB[pp]AB[mo]AB[mn]AB[gr]AB[pq]AB[pr]AB[ps]AB[qs]AB[oq]AB[nr]AB[nj]AB[ni]AB[nh]AB[mh]AB[pj]AB[qj]AB[rj]AB[sj]AB[sk]AB[ll]AB[ip]AB[fp]AB[fq]AB[fs]AB[er]AW[np]AW[qp]AW[rp]AW[qq]AW[qr]AW[po]AW[pn]AW[os]AW[mr]AW[op]AW[nn]AW[rk]AW[sl]AW[rl]AW[qk]AW[pk]AW[ol]AW[nk]AW[mk]AW[mj]AW[mi]AW[kk]AW[jm]AW[kn]AW[kp]TR[mr]C[How to deal with this White move?]AB[lp]CA[Windows-1252]AP[goproblems]MULTIGOGM[1] (;B[mq];W[nq] (;B[rs];W[rr];B[lr]TR[ss]C[Black gains an extra liberty at T1.RIGHT]) (;B[lr];W[rs] (;B[ms];W[or]C[]) (;B[or];W[ns]C[]))) (;B[nq];W[mp] (;B[lo];W[mq]TR[nr]TR[nq]TR[oq]TR[pp]TR[pq]TR[pr]TR[ps]TR[qs]C[The marked stones got cut off...]) (;B[ko];W[mq]C[The marked stones got cut off...]) (;B[mq];W[lo]TR[mo]TR[mn]TR[ll]C[The marked stones got cut off...])) (;B[lr];W[nq] (;B[mq];W[rs] (;B[ms];W[or]C[]) (;B[or];W[ns]C[])) (;B[ms];W[rs]) (;B[ns];W[ms]) (;B[rs];W[mq];B[ms]C[You found a good move, but this loses points compared to the right solution.])))