Problem	14402
Created	2011-01-05
Source	Amateur Game
Rating

Difficulty	6 dan
Average Solve Time	25 secs
User Attempts	97 / 434
Solve Ratio Rating	2 kyu
	rating history

This is one of the oldest nasty tricks ever. White to play and to destroy Black's dream while gaining the initiative on the left. The wrong answer leaves Black sacrificing 6 stones but getting a unbeatable wall. White has 18.5 points in the wrong answer. ONLY 18.5 points

(;AB[dc]AW[ce]AB[cg]AW[ed]AB[gc]LB[dc:1]LB[ce:2]LB[cg:3]LB[ed:4]LB[gc:5]AP[goproblems] (;W[ec];B[eb] (;W[ef];B[cb];W[dh];B[ch];W[di];B[ci];W[dj];B[ck]C[RIGHT]) (;W[fb];B[db];W[fc];B[dd];W[de];B[ee];W[fe];B[ef];W[bc];B[cd];W[bd];B[be];W[bf] (;B[cf];W[ae];B[df];W[be];B[gb] (;W[fa];B[gd];W[fd];B[gf];W[cb];B[ff];W[da];B[ge];W[ea];B[ga];W[cc];B[qd]) (;W[ga];B[gd] (;W[hb];B[fd];W[fa];B[ea];W[ha];B[ic];W[jb];B[ib];W[ia];B[hc];W[ja]LB[kc:A]LB[lb:B]LB[kb:C]LB[ka:D]LB[jc:E]LB[la:F]LB[mc:G]) (;W[fd];B[ha];W[fa];B[hf];W[ge];B[he];W[hb];B[ic];W[ib];B[jc];W[kb];B[jb];W[ja];B[hc];W[ia];B[lc]LB[mb:A]LB[lb:B]LB[la:C]LB[kc:D]LB[ka:E]LB[nc:F];W[cb];B[la] (;W[ka];B[lb];W[da];B[kc];W[ha];B[gf];W[ea];B[ff];W[cc]) (;W[da];B[ka];W[ha];B[lb]LB[gf:A]LB[ff:B]))))) (;W[dg];B[dd];W[de];B[ee] (;W[ef];B[fe];W[ch]TR[ec]TR[eb]) (;W[fe];B[ef];W[fd];B[ff];W[fb];B[db];W[hd];B[df];W[cf];B[bg]LB[bc:A]LB[cd:B]LB[bd:C]LB[bf:D]LB[dh:E]LB[gf:F]LB[ch:G]))) (;W[ef];B[ec];W[dh];B[ch];W[di];B[ci];W[dj];B[ck]C[RIGHT]) (;W[dh] (;B[ef];W[dd];B[cc];W[dg];B[cf];W[df];B[be];W[ec];B[jc]LB[bd:A]LB[cd:B]LB[de:C]LB[bf:D]LB[bc:E]LB[bb:F]LB[cb:G]LB[db:H]LB[ba:I]LB[ca:J]LB[ab:K]C[RIGHT]) (;B[dd] (;W[de];B[ee];W[ef];B[fe];W[ch]TR[dh]LB[dg:A]C[RIGHT]TR[gc]LB[fd:B]) (;W[dg];B[de];W[cf];B[df];W[ch]C[RIGHT]))) (;W[ci] (;B[ef];W[df];B[dg];W[eg];B[de];W[cf];B[dd];W[bg];B[eh];W[fg];B[dh];W[bh];B[ee];W[fh]C[RIGHT]) (;B[eg];W[df] (;B[dg];W[ec];B[dd];W[ee];B[de];W[cf];B[ef];W[db];B[cc];W[cb];B[bc];W[bb];B[be];W[bf];B[bd];W[bg]C[RIGHT]) (;B[ec];W[dg]C[RIGHT])) (;B[dd];W[de];B[ee];W[ef];B[fe];W[dg]TR[ci]LB[ch:A]TR[gc]LB[fd:B];B[pc]LB[qe:A];W[qe];B[qg]LB[od:A];W[od];B[pd];W[pe];B[oe];W[of];B[ne];W[pg]LB[mc:A]LB[qi:B]C[RIGHT])) (;W[dg];B[dh];W[eg];B[ec];W[ch];B[ci];W[bh];B[di];W[bg]C[RIGHT]) (;W[gd];B[ec];W[fd] (;B[fc];W[hd]C[RIGHT]) (;B[hc];W[fc];B[fb];W[gb];B[hb];W[eb];B[ga];W[cc];B[db]C[RIGHT])))