(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2] RU[Japanese]SZ[19]KM[0.00] PW[White]PB[Black]AW[rg][oh][ph][qh][ni][nj][mk][ok][pk][qk][rk][sk][ml][ql][mm][nm][qm][nn][on][qn][rn][sn]AB[oj][pj][qj][rj][sj][nk][nl][ol][om][pm][sm][pn][oo][qo][ro][so]LB[li:T][oi:A]C[FORCE does white need a move to win the race? play at A if you think yes, or tenuki at T]PL[W] (;W[li]CR[li] ;B[po]CR[po]C[FORCE] (;W[oi]CR[oi] ;B[pl]CR[pl]C[FORCE] (;W[pi]CR[pi] ;B[rl]CR[rl]C[FORCE] (;W[qi]CR[qi] ;B[rm]CR[rm] (;W[sl]CR[sl] ;B[rm]CR[rm] (;W[ri]CR[ri]C[RIGHT ]) (;W[si]CR[si]C[RIGHT])) (;W[ri]CR[ri] ;B[sl]CR[sl]) (;W[si]CR[si] ;B[sl]CR[sl])) (;W[rm]CR[rm] ;B[sl]CR[sl]) (;W[sl]CR[sl] ;B[rm]CR[rm])) (;W[rl]CR[rl] ;B[rm]CR[rm]) (;W[sl]CR[sl] ;B[rm]CR[rm]) (;W[rm]CR[rm] ;B[sl]CR[sl])) (;W[pl]CR[pl] ;B[rl]CR[rl]) (;W[rl]CR[rl] ;B[pl]CR[pl]) (;W[rm]CR[rm] ;B[sl]CR[sl]) (;W[sl]CR[sl] ;B[rm]CR[rm])) (;W[oi]CR[oi]C[this move is not necessary. follow the other path to see why.]))