Problem 5354 goproblems.com


Author	santa c	Created	2004-10-26
Difficulty	6 dan (history)	Source	a 6d chinese book (?)
AVG solve time	31 sec	Stars	5 (2 votes)
User attempts	140 / 1457	Collections	Corner based
Genre	life and death ⓒ	Your attempts	N/A
Similar problems
Created	2004-10-26
Source	a 6d chinese book (?)
Stars	5 (2 votes)
Collections	Corner based
Your attempts	N/A

(;AW[ab]AW[ca]AW[eb]AW[dc]AW[cd]AB[fb]AB[fa]AB[fc]AB[fd]AB[ee]AB[de]AB[ce]AB[bf]AB[ae]C[Black moves and kills white.]AP[goproblems] (;B[db];W[cb] (;B[bc];W[bd] (;B[ad];W[bb] (;B[ac];W[ea] (;B[ec];W[da] (;B[cc]C[O_O Wow! Incredible! Really well done! ^_^RIGHT]) (;B[dd];W[cc]C[O_O])) (;B[cc];W[ec]C[O_O])) (;B[dd];W[ac]C[O_O]) (;B[ec];W[ac]C[O_O]) (;B[ea];W[ac]C[O_O])) (;B[bb];W[ac]C[White lives...]TR[ba]TR[ea]) (;B[ac];W[ad]C[White lives...]) (;B[ea];W[bb]C[White lives...]) (;B[ec];W[bb]C[White lives...]) (;B[ba];W[bb]C[White lives...])) (;B[bd];W[bc]C[White lives...]) (;B[ad];W[bc]C[White lives...]) (;B[ea];W[bc]C[White lives...]) (;B[bb];W[bc]C[White lives...]) (;B[ec];W[bc]C[White lives...])) (;B[ea];W[bc] (;B[cb];W[db] (;B[ba];W[da];B[bb];W[ad];B[bd];W[be]MA[bd]C[A ko just can't be enough where an unconditional kill is possible.]) (;B[bb];W[ba]C[White lives...]) (;B[da];W[ba]C[White lives...]) (;B[ad];W[ba]C[White lives...])) (;B[da];W[cb]C[White lives...]) (;B[ba];W[cb]C[White lives...]) (;B[db];W[cb]C[White lives...])) (;B[da];W[ea]C[White lives...]) (;B[cb];W[bb] (;B[da];W[ea] (;B[ba];W[bd]C[] (;B[cc];W[db];B[dd];W[ca]MA[da]C[A ko just can't be enough where an unconditional kill is possible.]) (;B[ad];W[db]C[Leads to an impossible ko. (3 wins to kill)]) (;B[ec];W[db]C[White lives...]) (;B[db];W[ec]C[White lives...]) (;B[ca];W[db]C[White lives...])) (;B[bc];W[bd] (;B[ba];W[ac]C[White lives...]) (;B[ad];W[ac]C[White lives...]))) (;B[ea];W[cc]C[White lives...]) (;B[db];W[cc]C[White lives...]) (;B[cc];W[bc]C[White lives...]) (;B[bc];W[cc]C[White lives... (Sure B16 lets live bigger but this is clearer..;)]) (;B[bd];W[cc]C[White lives...])) (;B[ec];W[db]C[White lives...]) (;B[dd];W[bc] (;B[cb];W[bb]C[White lives...]) (;B[ba];W[bb]C[White lives...]) (;B[bb];W[ba]C[White lives...]) (;B[da];W[cb]C[White lives...]) (;B[db];W[cb]C[White lives...]) (;B[ea];W[db]C[White lives...])) (;B[cc];W[bc] (;B[ea];W[db]C[White lives...]) (;B[db];W[cb]C[White lives...]) (;B[cb];W[db]C[White lives...]) (;B[da];W[ea]C[White lives...])) (;B[bd];W[bc] (;B[cb];W[ba]C[White lives...]) (;B[ea];W[cb]C[White lives...]) (;B[da];W[cb]C[White lives...]) (;B[db];W[cb]C[White lives...]) (;B[bb];W[cb]C[White lives...]) (;B[ba];W[cb]C[White lives...])) (;B[bc];W[bb] (;B[bd];W[cc]C[White lives...]) (;B[cc];W[bd]C[White lives...]) (;B[ad];W[cc]C[White lives...])) (;B[bb];W[bc] (;B[cb];W[db] (;B[ba];W[ea];B[da]MA[ca]C[A ko just can't be enough where an unconditional kill is possible. (Even if it's a ko with approach.)]) (;B[ea];W[ba]C[White lives...])) (;B[ba];W[cb]C[White lives...]) (;B[ea];W[cb]C[White lives...]) (;B[db];W[cb]C[White lives...]) (;B[da];W[cb]C[White lives...])) (;B[ba];W[cb] (;B[bc];W[bb] (;B[bd];W[ea]C[White lives...]) (;B[ea];W[bd] (;B[ad];W[ac]C[White lives...]) (;B[ac];W[ad]C[White lives...])) (;B[ad];W[ea]C[White lives...])) (;B[bd];W[bc]C[White lives...]) (;B[ea];W[bc]C[White lives...]) (;B[da];W[bc]C[White lives...])) (;B[ad];W[bb]C[White lives...]) (;B[ac];W[bb]C[White lives...]))