(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[13]KM[0.00]
PW[end]PB[game]
;B[lc]
(;AW[ea][cb][eb][ib][bc][ec][ic][jc][kc][cd][dd][id][kd][ie][je][le][lg][bh][ch][ih][jh][kh][lh][di][fi][ii][dj][fj][gj][ij][bk][ck][fk][ik][jl][kl][km]AB[fa][fb][jb][kb][fc][hc][ad][bd][ed][fd][ld][ce][de][ge][ke][bf][hf][if][jf][kf][lf][dg][eh][fh][gh][gi][ji][ki][li][bj][cj][dk][ek][kk][bl][ll][lm]C[Find the best  move every corner! 

]
(;W[lb]
;B[la]
;W[mb]
;B[ka]
(;W[ja]C[Nice Move]
;B[ia]
;W[ha]
(;B[me]
;W[ja]
;B[mc]
;W[ma]
;B[kb]
;W[hb]C[white lived.])
(;B[hb]C[Black can make Ko.]
;W[ja]))
(;W[ia]C[Wrong move]
;B[me]
;W[ja]
;B[mc]
;W[ma]
;B[kb]C[Under the stone]))
(;W[cl]
(;B[ak]
;W[bm]
;B[al]
;W[dm]C[good tesuji]
(;B[dl]
;W[fm]
;B[cm]
;W[cl]
;B[ck]
;W[cm]C[Normally this is good endgame. But in this case black is dead.])
(;B[el]
;W[fl]
;B[em]
;W[fm]))
(;B[dl]
;W[bm]
;B[al]
;W[ak]
;B[dm]
;W[bi]
;B[cm]
;W[am]
;B[bl]
;W[aj]
;B[al]
;W[ci]C[Black can not live.]))
(;W[lj]
(;B[mj]
;W[mk]
;B[mi]
;W[lk]
;B[kj]
;W[ml]
;B[mm]
;W[lk]C[Under the stone])
(;B[jk]
;W[il]
;B[mk]C[This is the best answer for b.]
;W[mi]
;B[mj]
;W[kj]
;B[mh]
;W[jj]
;B[mg]
;W[lk]
;B[ml]
;W[mi]
;B[li]C[Best result for both.]))
(;W[]
(;B[ab]
(;W[ac]
;B[db]C[good move]
(;W[cc]
;B[ba]
;W[ca]
;B[da]
;W[dc]
;B[da]C[Seki. White has 3 points.])
(;W[dc]C[be careful!]
;B[bb]
;W[cc]
;B[ca]C[White is dead.])
(;W[da]
;B[bb]
;W[cc]
;B[ba]C[Also seki but white has only 1 point.]))
(;W[bb]
;B[ac]
;W[ba]C[White can make 5 points here. But gote.]))
(;B[ac]
;W[ab]C[Bad endgame. White has 8 points.])))
(;AW[da][ea][eb][ec][kc][dd][ed][hd][ld][be][ce][fe][je][ke][le][gf][kf][bg][kg][ah][bh][kh][gi][hi][ii][ji][gj][kj][ck][dk][ek][fk][kk][lk][mk][cl][cm]AB[ca][bb][db][fb][lb][dc][fc][gc][hc][ic][bd][cd][gd][jd][kd][ae][ge][he][ie][af][jf][ag][hg][jg][hj][ij][jj][gk][hk][jk][dl][el][fl][kl][ll][ml][dm][mm]
(;W[mb]C[This is good endgame.]
(;B[kb]
;W[mc])
(;B[mc]
;W[kb]
;B[jb]
;W[la]
;B[ma]C[Ko]))
(;W[kb]C[Wrong endgame..]
(;B[mb]C[Good answer])
(;B[jb]C[wrong answer]
;W[mb]
(;B[jc]
;W[mc]
;B[ka]C[Best result for w.])
(;B[mc]
;W[la]C[Happy ko for w.]))
(;B[la]C[Wrong answer]
;W[mb]
;B[jb]
;W[mc]
;B[ka]C[White reduced with sente.]))
(;W[ab]C[Good endgame]
(;B[ac]
;W[bf]C[Black can not save 3 stones.])
(;B[ba]
;W[ad]
;B[ac]
;W[bf]C[White can take 3 stones.])
(;B[ad]
;W[ba]
;B[cb]
;W[bc]C[Happy Ko for W.]))
(;W[bf]
;B[ad]C[Typical mistake. Black has 7 points.])
(;W[gl]
(;B[hl]
;W[jl]C[The order is important.]
(;B[jm]
(;W[il]
;B[im]
;W[gm]
;B[hm]
;W[km]
;B[ik]
;W[jl]C[Double snap back])
(;W[gm]C[Wrong move]
;B[hm]
;W[il]
;B[km]C[Now there is nothing.]))
(;B[il]
;W[jm]
;B[im]
;W[gm]C[Shortage of liberties]))
(;B[gm]
;W[il]C[Peep is good.]
;B[jl]
;W[hl]))
(;W[]
(;B[ff]
(;W[gg]
;B[ee]
;W[de]
;B[fd])
(;W[ef]
;B[fg]
;W[fh]
;B[gg]
;W[eg]))
(;B[fg]C[This is also possible.]
(;W[gg]
;B[ff]
;W[fh]
;B[ee])
(;W[ff]
;B[gg]
;W[eg])))))