(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2] RU[Japanese]SZ[9]HA[4]KM[0.50]TM[300]OT[5x30 byo-yomi] PW[kaimat]PB[onacliff]WR[15k]BR[24k]DT[2011-06-18]PC[The KGS Go Server at http://www.gokgs.com/]AB[cc][gc][cg][gg]RE[B+18.50] (;W[he]WL[293.87]C[ White's aim should be to separate the black stones. This move gives Black the perfect connection at G5.] ;B[ge]BL[288.382]C[ Good move. Black connects.] ;W[hg]WL[290.389] (;B[if]BL[267.884]C[ This is bad. Black should be pleased to press the white group against the edge. As a rule of thumb, first make sure that the enclosure is tight, then try to kill (which may mean playing inside of the enemy's stones).] ;W[hf]WL[279.353]C[ The only response. The exchange of the last two moves is very good for White, because the Black stone is immediately dead.] (;B[id]BL[239.072]C[ I do not know what Black is trying to do here. It would still be better to fix the shape towards the centre.] ;W[hd]WL[265.949]C[ Now White is threatening to push through two holes at once, one at G4, one at G6. Black can only defend one, so it is difficult to play.] (;B[hc]BL[223.76]C[ It is still better for Black to fix at least one hole in the centre (see variations).] (;W[ie]WL[263.799]C[ Pushing through G6 is much more important than this.] ;B[ic]BL[214.847]C[ Black should still fix the centre.] ;W[gd]WL[254.045]C[ Good move!] ;B[fd]BL[200.756]C[ The only response. Good instinct by Black.] (;W[gf]WL[237.007]C[ Since White has removed an own liberty at J5, he cannot cut more severely at F7 now (see variation). This is therefore the only way.] ;B[fe]BL[193.654] ;W[ff]WL[216.517] ;B[ef]BL[167.072]C[ Blocking is a good instinct of Black, but the cut at F7 is dangerous.] (;W[gh]WL[160.06]C[ Better hane at E3, then try to invade on the other side.] (;B[fg]BL[137.377]C[ Black cannot save this stone, as he will see in the game. He will soon be able to see this earlier and play like in the variation.] ;W[eg]WL[153.666] ;B[dg]BL[89.172]C[ Black recognizes the futility of his last move and tries to contain the damage. Good!] ;W[fh]WL[141.943] (;B[df]BL[68.754]C[ Protecting the cuts is a very good move, but the better shape is in the variation.] (;W[ch]WL[123.992]C[ This is a hopeless move. White should cut at F7, which has a much higher probability of letting Black stumble. Alternatively, attach at D7 to perhaps make the cut possible.] ;B[dh]BL[57.933]C[ A simple refutation.] ;W[di]WL[122.075] ;B[ei]BL[41.098] ;W[bh]WL[114.967] (;B[ai]BL[28.043]C[ No. First enclose, then play nakade if necessary. Here, White simply has not enough room to live.] ;W[ci]WL[103.386] (;B[ag]BL[12.726]C[ No, keep White separated.] ;W[bg]WL[97.487] ;B[bf]BL[7.451] ;W[eh]WL[93.384] ;B[af]BL[30]OB[5] ;W[fi]WL[89.543] ;B[ah]BL[30]OB[5] ;W[db]WL[80.508]C[ Yes, also aiming at the cut at F7.] ;B[ec]BL[30]OB[5]C[ Very good!] ;W[eb]WL[79.488] (;B[fa]BL[30]OB[5]C[ No! Simply protect your shape! See variation.] ;W[fb]WL[77.962] ;B[gb]BL[30]OB[5] ;W[ea]WL[73.166]C[ Similar mistake as J5.] (;B[ga]BL[30]OB[5]C[ Black should protect the cut. This is a losing move, as it is the first time that White is actually ahead in the game.] ;W[cb]WL[69.792]C[ White can live now.] (;B[bb]BL[30]OB[5] (;W[fc]WL[35.509]C[ No! White needs his liberties! See variation.] (;B[ee]BL[30]OB[5]C[ No! Take a liberty while protecting!] ;W[dc]WL[14.777] ;B[ed]BL[30]OB[5]C[ Black is lost.] (;W[dd]WL[10.673]C[ Simply capturing the corner is enough. See variation.] (;B[cf]BL[30]OB[4]C[ Black can save more points at C6. ] ;W[cd]WL[30]OW[5]C[ Now Black dies on the whole board.] ;B[bc]BL[30]OB[4] ;W[bd]WL[30]OW[5] ;B[ad]BL[30]OB[4] ;W[ba]WL[30]OW[5] ;B[ac]BL[30]OB[4] ;W[be]WL[30]OW[4] ;B[ae]BL[30]OB[4] ;W[ei]WL[30]OW[4] ;B[aa]BL[30]OB[4] ;W[ab]WL[30]OW[4] ;B[ca]BL[30]OB[3] ;W[da]WL[30]OW[4] ;B[aa]BL[30]OB[3] (;W[ca]WL[30]OW[4]C[ This is the final losing move. Just capture the upper right group, and Black can only get one eye with the other. No further comments.] ;B[de]BL[30]OB[2] ;W[ab]WL[30]OW[4] ;B[hi]BL[30]OB[2] ;W[bi]WL[30]OW[4] ;B[aa]BL[30]OB[2] ;W[hb]WL[30]OW[4] ;B[ce]BL[30]OB[2]C[kaimat [15k\]: very good game lol ] ;W[]WL[30]OW[4] ;B[]BL[30]OB[2]TW[if][fg][gg][ig][hh][ih][gi][hi][ii]TB[ba][ca][da][ea][ha][ia][ab][cb][db][eb][fb][hb][ib][dc][fc][bd][cd][dd][be]C[onacliff [24k\]: gg onacliff [24k\]: haha kaimat [15k\]: please click done onacliff [24k\]: i have a lot to lean kaimat [15k\]: lol ]) (;W[ha] ;B[ca] ;W[ib])) (;B[cd] ;W[ha]C[ White still wins.])) (;W[bc] ;B[cd] ;W[ba]C[ That is it.])) (;B[dc]TR[ca][da][ha][hb][ib]C[ Now White is captured, as he has only 2 liberties against Black's three.] ;W[ee] ;B[ed] ;W[de] ;B[cf] ;W[ce] ;B[bd]C[ Black has a liberty at B1, so this is not a threat.])) (;W[dc]C[ Now, White can capture B8 with B7 or cut at F7 and capture the corner. See the variations to the next move.] ;B[cd]C[ Black protects the corner, but...] ;W[fc] ;B[dd] ;W[ed] ;B[ee] ;W[ha]C[ White wins the capturing race.] ;B[ca] ;W[ib] ;B[ec] ;W[hb])) (;B[bc] ;W[fc] ;B[dc] ;W[ha]C[ White wins the capturing race.])) (;B[fc]C[ White has no eye space, and Black is connected throughout.] (;W[ga] ;B[cb]) (;W[cb] ;B[bc]C[ Now, this is enough to ensure White's death.]))) (;B[fb])) (;B[eh]C[ White still cannot live.])) (;B[bg])) (;W[fc]C[ This is quite complicated, perfect for White to try to provoke a black mistake. The following variations show that Black can survive, but it is unlikely that either player can read this out.] (;B[fb]C[ This fails.] ;W[ec] ;B[dd] ;W[eb] ;B[ga] ;W[hb] ;B[gb] ;W[ea] ;B[db] ;W[ha] ;B[dc] ;W[fa] ;B[da] ;W[ib]) (;B[ec] ;W[fb] (;B[eb]C[ Black can simply sacrifice to win.] ;W[gb]) (;B[gb]C[ This refutes the cut.] ;W[eb] ;B[db] ;W[ed] ;B[ee] ;W[dc] ;B[dd] ;W[ec] ;B[ea]))) (;W[dc] (;B[dd]C[ The strongest response.]) (;B[cd] ;W[fc]C[ Now the cut works.]) (;B[ec]C[ Now White has to try something in the upper left.]))) (;B[de]C[ If now White cuts at F7, Black can save his four stones in the upper right in a simple way.] ;W[fc] ;B[fb] ;W[ec] ;B[eb]TR[fd][fe][ge]C[ White cannot capture the marked stones, because D5 also protects the cut at E5.])) (;B[eg])) (;W[eg] ;B[df] ;W[dc]C[ Aiming at the cut at F7 or trying to live in the upper left.])) (;W[fc] ;B[gf] ;W[fe] ;B[ed] ;W[gh] ;B[ef] ;W[fb]C[ Because of the missing liberty, Black can now capture White.] (;B[hh] ;W[ig] ;B[ih]) (;AE[ic][ie]C[ If the situation were like this, White would get the right side.]))) (;W[gd]C[ Saving the single stone on the edge is not very important for Black either.] ;B[fd] ;W[fc])) (;B[gd]) (;B[gf])) (;B[gf]C[ This is much better.])) (;B[hd]C[ This would be better. Black secures points in the upper right while attacking White.]) (;B[gf]C[ This is also possible, a solid way of playing. Black is now very strong in the centre.]) (;B[hf]C[ This is also good.] ;W[if] ;B[gf])) (;W[ge]C[ This would be much better.]))