(;SZ[19]AW[rl]AW[om]AW[pm]AW[rm]AW[on]AW[qn]AW[rn]AW[no]AW[oo]AW[np]AW[pp]AW[qp]AW[nq]AW[oq]AW[pq]AW[qr]AW[rr]AB[qm]AB[pn]AB[po]AB[qo]AB[ro]AB[rp]AB[mq]AB[qq]AB[rq]AB[sq]AB[mr]AB[nr]AB[or]AB[pr]AB[ps]C[White to kill]GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]KM[0.00]PL[W] (;W[sr];B[qs] (;W[so]C[RIGHT]) (;W[rs];B[ss]) (;W[sp]C[];B[so];W[sn]C[You are weird.. but this is technically correct.RIGHT])) (;W[so];B[sr] (;W[sn];B[qs]) (;W[sp];B[sn]) (;W[rs]C[Black is alive and doesn't need to respond]) (;W[ss];B[rs])) (;W[rs]C[You made an empty triangle, let black live and also gave him sente]) (;W[sp];B[sr]))