(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]HA[2]KM[0.50]TM[1800]OT[5x30 byo-yomi]
PW[breakfast [KGS\]]PB[SanKingTim [KGS\]]WR[1p]BR[7d]DT[11.06.2004]SO[BiGo Assistant Full Edition]US[BiGo Assistant Full Edition]AB[pd][dp]C[arlequ1:
move 16 (c14) was the loosing move, because it didn't managed to take away an important liberty to white's corner group.
White trick worked very well.]RE[W+Resign]
;W[po]
;B[dc]
;W[de]
;B[pq]
;W[np]
;B[qo]
;W[qn]
;B[qp]
;W[pm]
;B[qg]
;W[fd]
;B[ce]
;W[cd]
;B[dd]
(;W[bd]C[b16 is not common and looks like a trick move. (see common pattern, and usual trick move variation)]
(;B[cf]C[MISTAKE !]
;W[df]
;B[cg]
;W[cb]C[now c17 doesn't work anymore because of the liberty at b15 so it becomes hard for black to take care of the d16 groups -> black collapses.]
;B[db]
;W[cc]
;B[gc]
;W[dg]
;B[ch]
;W[fc]
;B[fb]
;W[eb]
;B[ec]
;W[gb]
;B[ea]
;W[hc]
;B[ca]
;W[bb]
;B[fe]
;W[gd]
;B[ee]
;W[ed]
;B[dh]
;W[ff]
;B[ba]
;W[ga]
;B[ge]
;W[he]
;B[gf]
;W[fg]
;B[fa]
;W[aa]
;B[ab]
;W[ac]
;B[hf]
;W[gh]
;B[id]
;W[hd]
;B[ie]
;W[jc]
;B[hh]
;W[gi]
;B[hi]
;W[gj]
;B[ae]
;W[be]
;B[bf]
;W[dk]C[Black resigned soon. Please show his mistakes on the top.])
(;B[be]C[CORRECTION (punishing the trick)
this way gives a shape similar to the previous trick move]
(;W[cb]C[if white jump...]
;B[cc]
;W[bc]
;B[bb]
;W[ab]
;B[ba]
;W[ca]
;B[ad]
;W[aa]
;B[bb]
;W[ba]
;B[ae]
;W[db]
;B[ac]
;W[eb]
;B[bb]
;W[ee]LB[cg:A][ch:B]C[next if black extend around A-B, the result is similar to the common trick move variation, and good for black.])
(;W[df]C[if white extends outside, black must be careful.]
(;B[cg]C[c13 is a mistake.]
;W[cf]
;B[bf]
;W[cb]
;B[cc]
;W[bc]
;B[bb]
;W[ab]
;B[ba]
;W[ca]
;B[ad]
;W[aa]
;B[bb]
;W[ba]
;B[ae]
;W[bg]
;B[bh]
;W[db]C[b13 prevents a17, and now the 2 black stones are dead.])
(;B[cc]
;W[bf]
;B[bc]
;W[cf]
;B[ad]C[VARIATION 1:
black takes a nice corner but  white get a wall and sente to play on the left side.
This result looks slightly better for white, but is far better tahn the real game, and as black has 2 handicap stones, it might be a good choice.])
(;B[bg]C[VARIATION 2 (BEST)
black can also avoid being enclosed by jumping to b13 (not c13 !)
whatever white does, black will get a big corner, and white will not get enough influence to compensate.]
;W[ae]C[be carefull to a15]
(;B[cg]C[if black simply connect]
;W[cb]
;B[cc]
;W[bc]
;B[bb]
;W[ab]
;B[ba]
;W[ca]C[black get tricked])
(;B[af]C[but black can atari])))))
(;W[cc]C[common pattern]
;B[cb]
;W[bb]
;B[db]
;W[be]
;B[cf]
;W[bf]
;B[cg]
;W[ee])
(;W[cf]C[this is a trick move]
;B[be]
;W[bd]
;B[bf]
;W[cb]
;B[cc]
;W[bc]
;B[bb]
;W[ab]
;B[ba]
;W[ca]
;B[ad]
;W[aa]
;B[bb]
;W[ba]
;B[ae]
;W[db]
;B[ac]
;W[eb]
;B[bb]
;W[ee]
;B[cg]C[Black can punish white this way, the result is good for him.]))