(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]
RU[Japanese]SZ[9]KM[0.00]
PW[Blanc]PB[Noir]AW[ee][fe][ge][df][dg][eg][fg][fh][hh][gi]AB[ce][de][ef][ff][gf][cg][gg][ch][dh][eh][gh]TR[df][dg][eg][fg][fh]C[Black to play and kill the marked stones.]
(;B[cf]CR[cf]
;W[fi]CR[fi]
(;B[hi]CR[hi]
;W[ii]CR[ii]
;B[ei]CR[ei]
;W[hi]CR[hi]
(;B[hg]CR[hg]C[RIGHT])
(;B[he]CR[he]
;W[hf]CR[hf]C['Oh no !' (black is dead)])
(;B[hf]CR[hf]
;W[he]CR[he]C[it seems that you choosed to not take the shortest way ..]
(;B[if]CR[if]
(;W[ig]CR[ig]C[CHOICE 'Oh no !' (black is dead)
])
(;W[ie]CR[ie]C[CHOICE]
(;B[ig]CR[ig]C['Oh no !' (seki)])
(;B[hg]CR[hg]
;W[ig]CR[ig]C['Oh no !'])
(;B[ih]CR[ih]
;W[ig]CR[ig]C['Oh no !' (black is dead)])))
(;B[ig]CR[ig]
;W[ie]CR[ie]
(;B[if]CR[if]C['Oh no !' (seki)])
(;B[hg]CR[hg]C[RIGHT])
(;B[ih]CR[ih]C[RIGHT]))
(;B[hg]CR[hg]C[RIGHT])))
(;B[ei]CR[ei]
;W[hi]CR[hi]
(;B[hg]CR[hg]
;W[ig]CR[ig]
;B[hf]CR[hf]
;W[he]CR[he]C[White win the race.])
(;B[hf]CR[hf]
;W[he]CR[he]
(;B[ig]CR[ig]
;W[hg]CR[hg]
;B[if]CR[if]
;W[ie]CR[ie]C[White win the race.])
(;B[if]CR[if]
;W[ie]CR[ie]
(;B[ih]CR[ih]
;W[hg]CR[hg]
;B[ig]CR[ig]
;W[ii]CR[ii]C[White win the race.])
(;B[ig]CR[ig]
(;W[ih]CR[ih]C[CHOICE White win the race.])
(;W[hg]CR[hg]C[CHOICE White win the race.])))
(;B[hg]CR[hg]
;W[ig]CR[ig]C[White win the race.]))
(;B[ig]CR[ig]
;W[hg]CR[hg]
;B[hf]CR[hf]
;W[he]CR[he]
;B[if]CR[if]
;W[ie]CR[ie]C[White win the race.])))
(;B[fi]CR[fi]
;W[ei]CR[ei]C[This move was not usefull. You should use the more direct path to kill a group since it generate less ko-thread that the opponent can use against you.])
(;B[hg]CR[hg]
;W[ig]CR[ig]
;B[hf]CR[hf]
;W[he]CR[he]C['Oh no !' (black is dead)])
(;B[ei]CR[ei]
;W[hg]CR[hg]
(;B[fi]CR[fi]
;W[hf]CR[hf]C['Oh no !'])
(;B[hf]CR[hf]
;W[he]CR[he]
;B[if]CR[if]
;W[ie]CR[ie]C['Oh no !' (black is dead)])
(;B[cf]CR[cf]
;W[hf]CR[hf]C['Oh no !']))
(;B[ih]CR[ih]
;W[hg]CR[hg]
;B[hf]CR[hf]
;W[if]CR[if]
;B[he]CR[he]
;W[hd]CR[hd]C['Oh no !' (black is dead)])
(;B[hf]CR[hf]
(;W[hi]TR[cf]CR[hi]C[CHOICE Please play in C4.]
;B[cf]CR[cf]
;W[fi]CR[fi]C[Now try to win the capturing race...]
(;B[hd]CR[hd]
;W[he]CR[he]
;B[ie]CR[ie]
;W[gd]CR[gd]
(;B[gc]CR[gc]
;W[hg]CR[hg]
;B[if]CR[if]
;W[ig]CR[ig]
;B[id]CR[id]
;W[hc]CR[hc]C[Black is dead.])
(;B[hc]CR[hc]
;W[hg]CR[hg]
;B[if]CR[if]
;W[id]CR[id]
;B[ic]CR[ic]
;W[ig]CR[ig]
;B[id]CR[id]
;W[gc]CR[gc]C[Black is dead.]))
(;B[he]CR[he]
;W[hd]CR[hd]
(;B[hc]CR[hc]
;W[gd]CR[gd]
;B[id]CR[id]
;W[ie]CR[ie]
(;B[ic]CR[ic]
;W[hg]CR[hg]
;B[if]CR[if]
;W[ig]CR[ig]
;B[ie]CR[ie]
;W[gc]CR[gc]C[Black is dead.])
(;B[if]CR[if]
;W[ig]CR[ig]
(;B[ic]CR[ic]
;W[hg]CR[hg]
;B[ie]CR[ie]
;W[gc]CR[gc]C[Black is dead.])
(;B[gc]CR[gc]
;W[hg]CR[hg]C[Black is dead.])
(;B[ie]CR[ie]
;W[hg]CR[hg]
;B[ic]CR[ic]
;W[gc]CR[gc]C[Black is dead.])))
(;B[gd]CR[gd]
;W[gc]CR[gc]
(;B[fd]CR[fd]
;W[ed]CR[ed]
;B[fc]CR[fc]
;W[ec]CR[ec]
;B[fb]CR[fb]
;W[hc]CR[hc]
;B[eb]CR[eb]
;W[dc]CR[dc]
;B[cc]CR[cc]C[RIGHT Black win the capture race.])
(;B[ed]CR[ed]
;W[fd]CR[fd]
;B[fc]CR[fc]
;W[gd]CR[gd]
;B[gb]CR[gb]
(;W[id]CR[id]C[Black lose the capture race.])
(;W[fb]CR[fb]C[White should not have played this. To punish him, you need to find the 'karma tesuji' ...]
(;B[ec]CR[ec]
;W[hb]CR[hb]
;B[id]CR[id]
;W[hc]CR[hc]C[Black is dead
])
(;B[id]CR[id]
(;W[hc]CR[hc]C[CHOICE]
(;B[hb]CR[hb]
;W[ec]CR[ec]
;B[ic]CR[ic]
;W[dd]CR[dd]C[... You found it :-)]
(;B[ig]CR[ig]
(;W[ih]CR[ih]C[CHOICE]
;B[ie]CR[ie]
;W[ib]CR[ib]
;B[ia]CR[ia]
;W[hg]CR[hg]
;B[ei]CR[ei]
;W[if]CR[if]
;B[ib]CR[ib]
;W[ga]CR[ga]
;B[ig]CR[ig]C[RIGHT Let's say that black win the ko.])
(;W[ie]CR[ie]C[CHOICE]
(;B[ih]CR[ih]C[RIGHT Black win (easy problem, isn't it ? :-))])
(;B[ib]CR[ib]
;W[ih]CR[ih]
;B[if]CR[if]
;W[hg]CR[hg]
;B[ie]CR[ie]
;W[ga]CR[ga]
(;B[ha]CR[ha]
;W[fa]CR[fa]C[Seki.])
(;B[ei]CR[ei]C[RIGHT What a easy problem. I am sure every beginners found this variation.]))))
(;B[hg]CR[hg]
;W[ih]CR[ih]
(;B[ie]CR[ie]
(;W[ig]CR[ig]
;B[ib]CR[ib]
;W[ga]CR[ga]
;B[ha]CR[ha]
;W[fa]CR[fa]C[Seki. The gods didn't heard your requests.])
(;W[ib]CR[ib]
(;B[ei]CR[ei]
;W[ig]CR[ig]
;B[ia]CR[ia]
;W[ga]CR[ga]C[White wins the capturing race.])
(;B[ia]CR[ia]
;W[ig]CR[ig]
;B[ga]CR[ga]
;W[fa]CR[fa]C[Seki. Hey ! you are able to solve this easy problem ? what's wrong with you ? :-)])))
(;B[ei]CR[ei]
;W[ie]CR[ie]
;B[if]CR[if]
;W[ib]CR[ib]
;B[ia]CR[ia]
;W[ga]CR[ga]C[White wins the capturing race.]))
(;B[ie]CR[ie]
;W[ig]CR[ig]
(;B[hg]CR[hg]
;W[ih]CR[ih]
(;B[ga]CR[ga]
;W[ib]CR[ib]
;B[ia]CR[ia]
;W[fa]CR[fa]C[Seki. (Shame on you to not be able to solve this easy and trivial problem)])
(;B[ib]CR[ib]
;W[ga]CR[ga]
(;B[ei]CR[ei]
;W[ha]CR[ha]C[Black is dead.])
(;B[ha]CR[ha]
;W[fa]CR[fa]C[Seki. (Shame on you to not be able to solve this easy and trivial problem)])))
(;B[if]CR[if]
;W[hg]CR[hg]
;B[ib]CR[ib]
;W[ga]CR[ga]C[Black is dead.])
(;B[ih]CR[ih]
;W[hg]CR[hg]
(;B[ei]CR[ei]
;W[ib]CR[ib]
;B[ia]CR[ia]
;W[ga]CR[ga]C[Black is dead.])
(;B[ib]CR[ib]
;W[ga]CR[ga]
;B[ha]CR[ha]
;W[fa]CR[fa]C[Seki. (Shame on you to not be able to solve this easy and trivial problem)])))
(;B[if]CR[if]
;W[ig]CR[ig]
;B[ie]CR[ie]
;W[hg]CR[hg]
;B[ib]CR[ib]
;W[ga]CR[ga]C[Black is dead.]))
(;B[ec]CR[ec]
;W[hb]CR[hb]C[Black is dead.]))
(;W[ec]CR[ec]C[CHOICE]
;B[hc]CR[hc]
;W[dd]CR[dd]
;B[ig]CR[ig]
(;W[ih]CR[ih]
;B[ie]CR[ie]
(;W[hg]CR[hg]C[CHOICE]
;B[ei]CR[ei]
;W[if]CR[if]
;B[ic]CR[ic]
;W[hb]CR[hb]
;B[ig]CR[ig]C[RIGHT Let's say that black win the ko.])
(;W[ic]CR[ic]C[CHOICE]
;B[ib]CR[ib]
;W[hg]CR[hg]
;B[ei]CR[ei]
;W[if]CR[if]
;B[ic]CR[ic]
;W[ga]CR[ga]
;B[ig]CR[ig]C[RIGHT Let's say that black win the ko.]))
(;W[hg]CR[hg]
;B[ih]CR[ih]C[RIGHT Black win the capture race.]))))))))
(;W[he]CR[he]C[CHOICE]
;B[cf]CR[cf]
;W[fi]CR[fi]
(;B[hi]CR[hi]
;W[ii]CR[ii]
;B[ei]CR[ei]
;W[hi]CR[hi]
(;B[if]CR[if]
;W[ig]CR[ig]C['Oh no !' (black is dead)])
(;B[ig]CR[ig]
;W[ie]CR[ie]
(;B[hg]CR[hg]C[RIGHT])
(;B[ih]CR[ih]C[RIGHT]))
(;B[hg]CR[hg]C[RIGHT]))
(;B[ei]CR[ei]
;W[hi]CR[hi]
(;B[hg]CR[hg]
;W[ig]CR[ig]C['Oh no !' (black is dead)])
(;B[ig]CR[ig]
;W[hg]CR[hg]
;B[if]CR[if]
;W[ie]CR[ie]C['Oh no !' (black is dead)])
(;B[if]CR[if]
;W[ig]CR[ig]C['Oh no !' (black is dead)]))))
(;B[hi]CR[hi]
;W[ii]CR[ii]
;B[cf]CR[cf]
;W[fi]CR[fi]
;B[ei]CR[ei]
;W[hi]CR[hi]
(;B[hg]CR[hg]C[RIGHT])
(;B[if]CR[if]
;W[hf]CR[hf]
;B[hg]CR[hg]
;W[ig]CR[ig]C['Oh no !']))
(;B[ii]CR[ii]
;W[hf]CR[hf]C['Oh no']))