[go]$$Bc $$ ----------------- $$ . . . . X . . . | $$ . X . X O X O . | $$ . . X . O . . . | $$ . . . O , O O . | $$ . . X O O O X . | $$ . . X X X X X . | $$ . . . . . . . . |[/go]
[go]$$Bc $$ | . . . . . . . $$ | X X X X . . . $$ | O . . O X . . $$ | O . . O X . . $$ | . . . O X . . $$ | . O . O X . . $$ | . O . X . X . $$ | . . O X . . . $$ --------------[/go]
[go]$$B $$ ----------------- $$ . . . . X 4 3 . | $$ . X . X O X O . | $$ . . X . O 1 2 . | $$ . . . O , O O . | $$ . . X O O O X . | $$ . . X X X X X . | $$ . . . . . . . . |[/go]
[go]$$B W dies $$ ----------------- $$ . . . . X . X . | $$ . X . X O 5 O . | $$ . . X . O . O . | $$ . . . O , O O . | $$ . . X O O O X . | $$ . . X X X X X . | $$ . . . . . . . . |[/go]
[go]$$B (a) & (b) seem miai... $$ ----------------- $$ . . . . X . . . | $$ . X . X O X O . | $$ . . X b O 1 a . | $$ . . . O , O O . | $$ . . X O O O X . | $$ . . X X X X X . | $$ . . . . . . . . |[/go]
[go]$$B (c) & (d) miai $$ ----------------- $$ . . . . X 5 3 . | $$ . X . X O X O 4 | $$ . . X d O 1 2 . | $$ . . . O , O O c | $$ . . X O O O X . | $$ . . X X X X X . | $$ . . . . . . . . |[/go]
[go]$$B $$ | . . . . . . . $$ | X X X X . . . $$ | O . . O X . . $$ | O . . O X . . $$ | . . . O X . . $$ | . O . O X . . $$ | . O 1 X . X . $$ | . . O X . . . $$ ---------------[/go]
[go]$$B $$ | . . . . . . . $$ | X X X X . . . $$ | O . . O X . . $$ | O 1 . O X . . $$ | . . . O X . . $$ | . O . O X . . $$ | . O . X . X . $$ | . . O X . . . $$ ---------------[/go]
Author:
ez4u [ Mon May 01, 2017 2:39 am ]
Post subject:
Re: L19 Go Problem Championship: Round 11
Re: Problem 3
I haven't been participating but I could not resist on this problem
below is also interesting. White tries to create the alternative of an eye in the middle of the board to play/protect the vital point at B5 in sente (in order to live by then connecting at B1). However, allows Black to play B5. If White tries , continues to threaten B5. If White plays "a" instead, Black answers with "b" still threatening B5. If White tries "b" instead, Black plays "a" and can still follow up with B5! Personally I found this more interesting than the tesuji, which I learned from a dull tsumego book.