Problem	2231
Created	2003-05-14
Name	4x4 - the best result! (3/4)
Source	ferdi
Rating

Difficulty	8.5 kyu
Average Solve Time	48 secs
User Attempts	1623 / 5428
Solve Ratio Rating	4 kyu
	rating history

Please find the best result for black!
(japanese rules)

(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2] RU[Japanese]SZ[4]KM[0.00] PW[Weiß]PB[Schwarz]AW[bb][cb][bc]AB[ac][cc][dc][ad][bd]C[Black to play - what's the best he can do?] (;B[cd]CR[cd] ;W[ab]CR[ab] ;B[db]CR[db] ;W[ca]CR[ca] (;B[ba]CR[ba] ;W[aa]CR[aa]C[White wins by one point! Sad as it is, this is the best result for black.... RIGHT]) (;B[aa]CR[aa] ;W[ba]CR[ba]C[White wins by one point! Sad as it is, this is the best result for Black... RIGHT])) (;B[ab]CR[ab] ;W[cd]CR[cd] ;B[dd]CR[dd] ;W[db]CR[db]C[Black is dead]) (;B[db]CR[db] ;W[cd]CR[cd] ;B[dd]CR[dd] ;W[ab]CR[ab]C[Black is dead]))