(;SZ[19]AW[rl]AW[nn]AW[on]AW[pn]AW[qn]AW[rn]AW[mo]AW[qo]AW[mp]AW[mq]AW[lr]AW[nr]AB[oo]AB[ro]AB[qp]AB[sp]AB[qq]C[White to kill.]GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]KM[0.00]PW[tsumego brice]PL[W] (;W[qs] (;B[rs]C[CHOICE] (;W[sr] (;B[ps]C[CHOICE] (;W[pr];B[qr] (;W[or] (;B[sq]C[CHOICE];W[sn];B[rr];W[rp]C[Well done!!RIGHT]) (;B[sn];W[rq]C[])) (;W[pq];B[rr];W[sn];B[sq];W[rp]C[Well done!!RIGHT]) (;W[rr];B[or]C[Q2 is captured, black lives.]) (;W[rq];B[rr];W[sq];B[or]C[Q2 is captured, black lives.]) (;W[sn];B[or]C[Q2 is captured, black lives.]) (;W[oq]C[It is boring to forbid all these stupid moves.NOTTHIS]) (;W[pp]C[Nothing here.NOTTHIS]) (;W[op]C[Here? Why?NOTTHIS]) (;W[po]C[Nice shape.NOTTHIS]) (;W[np]C[I wonder what kind of twisted mind would think of playing here.NOTTHIS]) (;W[no]C[What a ladder breakerNOTTHIS])) (;W[qr];B[pr];W[rr];B[rq]) (;W[rr];B[qr] (;W[ss];B[rq]) (;W[rq];B[rp]MA[qs]C[R1 is an eye, so black is alive.])) (;W[rq];B[rr];W[pr];B[sq])) (;B[rr]C[CHOICE];W[sn];B[oq] (;W[ps];B[pr] (;W[pp];B[os];W[or]C[Well done !! RIGHT]) (;W[os];B[pp])) (;W[pr];B[or];W[os];B[pq] (;W[ns];B[po];W[op];B[np] (;W[nq];B[pp];W[no]C[Well done !! RIGHT]) (;W[no]C[Well done !! RIGHT])) (;W[ps]C[NOTTHIS])) (;W[or];B[pr];W[ps];B[pp]) (;W[os];B[pr];W[ps];B[pp]))) (;W[rr];B[ps] (;W[pr];B[qr] (;W[rq];B[sr]) (;W[sr];B[or]TR[pr]C[Q2 is captured, black lives.])) (;W[qr];B[pr];W[rq];B[rp]C[Black lives])) (;W[ps];B[rr]C[Black is alive])) (;B[ps]C[CHOICE] (;W[pr];B[rs] (;W[sr];B[qr] (;W[or] (;B[sq]C[CHOICE];W[sn];B[rr];W[rp]C[Well done!!RIGHT]) (;B[sn];W[rq]C[])) (;W[pq];B[rr];W[sn];B[sq];W[rp]C[Well done!!RIGHT]) (;W[rr];B[or]C[Q2 is captured, black lives.]) (;W[rq];B[rr];W[sq];B[or]C[Q2 is captured, black lives.]) (;W[sn];B[or]C[Q2 is captured, black lives.]) (;W[oq]C[It is boring to forbid all these stupid moves.NOTTHIS]) (;W[pp]C[Nothing here.NOTTHIS]) (;W[op]C[Here? Why?NOTTHIS]) (;W[po]C[Nice shape.NOTTHIS]) (;W[np]C[I wonder what kind of twisted mind would think of playing here.NOTTHIS]) (;W[no]C[What a ladder breakerNOTTHIS])) (;W[qr];B[rr]) (;W[rr];B[qr] (;W[rq];B[sr]) (;W[sr];B[or]TR[pr]C[Q2 is captured, black lives.]))) (;W[rr];B[pr]C[Black has enough eyes space to live])) (;B[pr]C[Another black defense.];W[ps];B[os];W[or];B[rs];W[sr];B[qr];W[ps]C[]) (;B[rq]C[Another black defense.];W[rs];B[sr];W[rr];B[pr];W[ps];B[or];W[os];B[oq];W[pp]C[])) (;W[sr] (;B[rr] (;W[qs];B[rs];W[sn];B[oq] (;W[ps];B[pr] (;W[pp];B[os];W[or]C[Well done !! RIGHT]) (;W[os])) (;W[pr];B[or];W[os];B[pq] (;W[ns];B[po];W[op];B[np] (;W[nq];B[pp];W[no]C[Well done !! RIGHT]) (;W[no]C[Well done !! RIGHT])) (;W[ps]C[NOTTHIS])) (;W[or];B[pr];W[ps];B[pp]) (;W[os];B[pr];W[ps];B[pp])) (;W[pr];B[rq];W[rs];B[qs];W[qr];B[ss]C[Ko])) (;B[pr]C[Another defense];W[rr];B[rq];W[sn]) (;B[rq]C[Another defense.];W[qs]) (;B[qr];W[ps])) (;W[rs];B[pr] (;W[ps];B[os] (;W[or];B[qs];W[rr];B[rq];W[qr];B[pq];W[ps]C[Ko is not enough.]) (;W[rr];B[rq];W[or];B[qs];W[qr];B[pq];W[ps]C[Ko is not enough.])) (;W[rq];B[rr];W[sr];B[qr]C[Black lives]) (;W[rr];B[rq];W[ps];B[os];W[or];B[qs])) (;W[rr];B[rq] (;W[qs];B[pr];W[ps];B[os];W[or];B[rs];W[ns];B[sr];W[ss]C[Ko is not enough.]) (;W[qr];B[pr] (;W[pq];B[ps] (;W[or];B[oq]) (;W[oq];B[sr])) (;W[ps];B[os];W[or];B[qs] (;W[pq]C[Ko]) (;W[rs]C[];B[pq];W[ps]C[Ko is not enough.]))) (;W[sr];B[qr] (;W[sn];B[sq];W[so];B[or] (;W[os];B[ps];W[oq];B[pq];W[pr]C[Ko.]) (;W[oq];B[os]C[Black lives.])) (;W[ps];B[sq])) (;W[pr];B[qr];W[qs];B[rs];W[ss];B[sr];W[sq]C[Ko]) (;W[ps];B[qr];W[qs];B[rs];W[ss];B[sr] (;W[rs];B[os]C[If white doesnt want to fight the ko...];W[pr];B[or];W[pq];B[oq];W[pp];B[po];W[sq]C[The ko grows bigger.]) (;W[sq]C[Ko]))) (;W[pr];B[rq] (;W[rs];B[rr];W[sr];B[qs];W[qr];B[ss]C[Ko]) (;W[rr];B[qr];W[qs];B[rs];W[ss];B[sr];W[sq]C[Ko])) (;W[ps];B[rr];W[rs];B[qs];W[qr];B[pr];W[os];B[qs]C[Ko]))