(;AW[qc]AW[qd]AW[re]AW[rf]AW[ob]AW[nb]AW[mb]AB[lb]AB[lc]AB[mc]AB[nc]AB[oc]AB[oe]AB[qe]AB[qf]AB[qg]AB[rg]TR[mb]TR[nb]TR[ob]MA[re]MA[rf]C[Black can capture the 3 marqued stones on the left, or the two on the right, do your best ! (White hasn't any threats but black has one if he need ^^)] (;B[pb]C[CHOICE] (;W[pc]C[CHOICE] (;B[qb];W[rb] (;B[rc]C[CHOICE] (;W[rd]C[];B[ra];W[sb];B[oa]C[You did itRIGHT]) (;W[pa]C[CHOICE];B[rd];W[qa] (;B[sf]C[Ok];W[sc];B[se]C[RIGHT]) (;B[se]C[Sorry, T14 is usually considered as a beter move than T15]))) (;B[ra];W[pa];B[rc];W[qa];B[rd];W[sd]C[It seems that it doesn't work like that...])) (;B[rc];W[qb];B[rd];W[rb];B[sf];W[sc];B[se]C[RIGHT])) (;W[qb]C[CHOICE];B[pc] (;W[pa]C[Here White has made a big mistake, then kill him !] (;B[oa] (;W[na]C[Here White makes a second mistake, he'll die] (;B[la];W[qa];B[sf];W[sd]C[White is all alive :(]) (;B[ra] (;W[rb];B[qa];W[sa];B[qa];W[ra];B[sc];W[sd];B[sf];W[rc];B[sg];W[sb];B[se]C[]) (;W[qa];B[sf];W[sd];B[sg] (;W[se];B[sc];W[rd];B[sb];W[rb];B[la];W[sa];B[ma] (;W[oa];B[ra];W[kh]C[White tenuki];B[pd];W[sa]C[Play A to use your ko threat :-)]LB[lg:A];B[lg];W[lh];B[ra]C[You get white because he has no more threats]) (;W[rc];B[oa]C[White leave he stones because he as more ko threat, but the result is worst than the correct answer])) (;W[rc];B[se];W[rd];B[sb]C[White is dead])))) (;W[qa] (;B[sf];W[sd];B[sb];W[sc];B[sg];W[rb];B[rd];W[sa];B[se]C[after wR18 you should have done much beter.CHOICE]) (;B[ma]C[Ok you took 3 stones, but after wR18 you should have done much beter.]))) (;B[sf];W[sd];B[sb];W[rb];B[sg];W[sc] (;B[rd];W[sa];B[se];W[qa]) (;B[qa] (;W[ra];B[rd];W[rc];B[se]C[White is doomedRIGHT]) (;W[se] (;B[oa]C[ok you took 3 stonesRIGHT]) (;B[rc];W[rd];B[oa]C[Took stones, but loose a threat])))) (;B[ma] (;W[oa];B[sf];W[sd];B[sb];W[rb];B[sg] (;W[ra];B[rd];W[rc];B[se]C[White is dead]) (;W[sc];B[rd];W[rc];B[se];W[sa];B[qa]C[White is dead])) (;W[qa];B[oa]C[You take 3 stones in go, but after wR18 you should have done much beter.CHOICE])) (;B[qa];W[ra];B[sf];W[sd]C[you didn't take anything :(])) (;W[qa] (;B[sf];W[sd];B[pa]C[okRIGHT]) (;B[pa]C[okRIGHT])))) (;B[ma];W[pb]C[Haven't I told you to take some stones ? Try again]) (;B[qb];W[pb];B[rb];W[rc];B[pc];W[sb]C[Try again]) (;B[rc] (;W[rd];B[pb];W[pc];B[qb];W[rb];B[ra] (;W[sc];B[oa]) (;W[sb];B[oa]C[You did itRIGHT])) (;W[rb];B[pb];W[pc];B[qb];W[qa];B[rd];W[pa];B[sf];W[sc];B[se]C[CHOICERIGHT])))