(;FF[4]GM[1]CA[UTF-8]AP[besogo:0.0.2-alpha]SZ[9]ST[0] AB[ad][ae][bc][cd][ce][dc][ec][ed][ee][fa][fb][ga][gc]AW[cb][cc][db][eb][fc][fd][fe][gd][hc][hd] C[What can B do at the top?] (;B[ha] ;W[bb] (;B[ab] ;W[ba] (;B[ea] C[good! W is a liberty too slow! RIGHT]) (;B[da] C[good! W is a liberty too slow! RIGHT]) (;B[ac] C[good! W is a liberty too slow! RIGHT]) (;B[hb]LB[aa:4][ac:2][ea:3][gb:5][ib:1] C[This leads to a ko!]) (;B[ca] ;W[hb]MA[ca]LB[ab:A] C[B loses the semeai! compared to playing at A, this B stone wasted a move!]) (;B[gb] ;W[hb])) (;B[ea] (;W[ba] (;B[ab] C[good! W is a liberty too slow! RIGHT]) (;B[da] C[good! W is a liberty too slow! RIGHT]) (;B[ac] C[good! W is a liberty too slow! RIGHT]) (;B[hb]LB[ab:2][ac:4][da:3][gb:5][ib:1] C[This leads to a ko!]) (;B[ca] ;W[hb]MA[ca]LB[ab:A] C[B loses the semeai! compared to playing at A, this B stone wasted a move!]) (;B[gb] ;W[hb])) (;W[ab] (;B[da] C[RIGHT]) (;B[ca] C[RIGHT]) (;B[ba] C[RIGHT]) (;B[ac] C[RIGHT]))) (;B[da] ;W[ba] (;B[ab] C[good! W is a liberty too slow! RIGHT]) (;B[ea] C[good! W is a liberty too slow! RIGHT]) (;B[ac] C[good! W is a liberty too slow! RIGHT]) (;B[hb]LB[ab:2][ac:4][ea:3][gb:5][ib:1] C[This leads to a ko!]) (;B[ca] ;W[ea] C[B loses the semeai]) (;B[gb] ;W[hb])) (;B[ca] ;W[ba]MA[ca]LB[ab:A] C[B loses the semeai! compared to playing at A, this B stone wasted a move!]) (;B[ba] ;W[ab] (;B[ea] C[good! W is a liberty too slow! RIGHT]) (;B[ca] C[good! W is a liberty too slow! RIGHT]) (;B[ac] C[good! W is a liberty too slow! RIGHT]) (;B[hb]LB[ac:4][da:3][ea:2][gb:5][ib:1] C[This leads to a ko!]) (;B[da] ;W[ea] ;B[ca] ;W[aa] ;B[ca] ;W[hb])) (;B[hb]LB[ab:1][ac:6][ba:4][da:3][ea:2][gb:7][ib:5] C[This leads to a ko!])) (;B[bb] (;W[ha] (;B[hb] ;W[ib] (;B[ia]SQ[ha] C[ko!]) (;B[ca] ;W[gb])) (;B[ca] ;W[gb]) (;B[gb] ;W[hb]) (;B[da] ;W[gb]) (;B[ea] ;W[gb])) (;W[hb]LB[ha:1] C[W would lose the semeai like this.]) (;W[gb]LB[ha:1] C[W would lose the semeai like this.])) (;B[hb] ;W[ea] (;B[bb] ;W[ha] (;B[ia] ;W[gb] C[ko!]) (;B[ca] ;W[gb]) (;B[gb] ;W[ib]) (;B[da] ;W[gb])) (;B[ha] ;W[bb]LB[aa:5][ab:1][ac:3][ba:2][gb:6][ib:4] C[still ko!])) (;B[ea] ;W[ha]LB[hb:1][ia:3][ib:2] C[ko!]) (;B[gb] ;W[hb]) (;B[da] ;W[ha]LB[hb:1][ia:3][ib:2] C[ko!]) (;B[ca] ;W[bb] (;B[ba] ;W[ha]LB[hb:1][ia:3][ib:2] C[ko!]) (;B[ea] ;W[ha]LB[hb:1][ia:3][ib:2] C[ko!]) (;B[hb] ;W[ab] (;B[ea] ;W[da] ;B[ba] ;W[ha] ;B[ia] ;W[gb] C[ko!]) (;B[ba] ;W[ea] C[B cannot win this]) (;B[da] ;W[ea] C[B cannot win this])) (;B[ab] ;W[ba]MA[ca]LB[ab:A][ha:1] C[B loses the semeai even after 1! compared to playing at A, this B stone wasted a move!]) (;B[ha] ;W[ba]MA[ca]LB[ab:A] C[B loses the semeai even after 1! compared to playing at A, this B stone wasted a move!]) (;B[da] ;W[ba]MA[ca]LB[ab:A] C[B loses the semeai even after 1! compared to playing at A, this B stone wasted a move!])))