(;GM[1] FF[4] AP[Hibiscus:2.1] SZ[11] ST[3] ;AB[ag][ai][bg][bh][cb][cc][ci][da][dc][dg][di][ec][eg][fc][fd][fe][fg][fh][gd][gf][gh][hf][hh][ih][je][jg][jh][ke][kg] AW[aj][bi][bj][cj][db][dj][eb][eh][ei][fb][ff][fi][gb][gc][ge][hd][he][hj][ib][ic][ie][ii][jd][ji][kd][kh][ki] PL[B] C[Black to play and win!] (;B[gj] ;W[gi] ;B[hi] ;W[ij] (;B[ej] C[Key move!] ;W[fj] ;B[dh] ;W[gk] ;B[if] ;W[ea] ;B[ca] ;W[ah] C[White starts the ko but...] (;B[hc] ;W[hb] ;B[ai] ;W[jf] ;B[kf] ;W[ah] ;B[fk] ;W[ek] C[Black had more threats and wins the game! (Take the ko)] ;B[ai] C[RIGHT] )(;B[fk] ;W[ek] ;B[ai] ;W[jf] ;B[kf] ;W[ah] ;B[hc] ;W[hb] C[Black had more threats and wins the game! (Take the ko)] ;B[ai] C[RIGHT] ))(;B[dh] ;W[ej] ;B[if] ;W[ea] ;B[ca] ;W[ah] ;B[hc] ;W[hb] ;B[ai] ;W[jf] ;B[kf] ;W[ah] C[Almost there but not good enough. White wins the ko and the game!] ))(;B[gi] ;W[gj] C[Bad style leads to a loss....] ;B[if] ;W[dh] ;B[ch] ;W[ea] ;B[ca] ;W[ah] C[White wins the game without winning the ko!] )(;B[dh] ;W[gj] ;B[if] ;W[ea] ;B[ca] ;W[ah] ;B[hc] ;W[hb] ;B[ai] ;W[jf] ;B[kf] ;W[ah] C[Better style leads to improvment but not good enough. White wins the ko and the game!] ))