(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2] RU[Japanese]SZ[7]KM[0.50]TM[] AW[cb][db][eb][fb][gb][ec][fd][ee][fe][cf][df][ef][eg]AB[ba][ca][da][ea][bb][cc][dc][bd][cd][ed][ce][de][bf][bg]C[White to play and win!]PL[W] (;W[fa]CR[fa] ;B[cg]CR[cg] ;W[dd]CR[dd] ;B[dg]CR[dg] ;W[ed]CR[ed]C['Save the ko for last' - since there is no black ko threat, white wins by 1 point! RIGHT]) (;W[cg]CR[cg] ;B[fa]CR[fa] ;W[dd]CR[dd] ;B[ga]CR[ga] ;W[ed]CR[ed]C['Save the ko for last' - since there is no black ko threat, white wins by 1 point! RIGHT]) (;W[dd]CR[dd] ;B[cg]CR[cg] (;W[fa]CR[fa] ;B[ed]CR[ed] (;W[dg]CR[dg] ;B[dd]CR[dd]C[Since there is no ko threat for white, taking the ko first is a mistake - black wins by one point!]) (;W[ad]CR[ad] ;B[dd]CR[dd] ;W[ab]CR[ab] ;B[ae]CR[ae]C[White has no ko threat here])) (;W[ed]CR[ed] ;B[fa]CR[fa]C[This is only a jigo - taking the ko was wrong!])))