Was randomly kibitzing a game between two mid/high dans, saw a pretty interesting endgame play that I thought people might be interested in:
$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . . . . O . . . . O O X X X X X X X X | $$ | . . . X O X . O X X O O O X X O O O X | $$ | . . O O X X . . . O X O X . . X O O O | $$ | . O . X O O . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O . . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------
[go]$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . . . . O . . . . O O X X X X X X X X | $$ | . . . X O X . O X X O O O X X O O O X | $$ | . . O O X X . . . O X O X . . X O O O | $$ | . O . X O O . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O . . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
Re: Cool tesuji bro.
Posted: Sun Feb 13, 2011 6:55 pm
by Shaddy
Araban wrote:Was randomly kibitzing a game between two mid/high dans, saw a pretty interesting endgame play that I thought people might be interested in:
$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . . . . O . . . . O O X X X X X X X X | $$ | . . . X O X . O X X O O O X X O O O X | $$ | . . O O X X . . . O X O X . . X O O O | $$ | . O . . O . . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O . . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------
[go]$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . . . . O . . . . O O X X X X X X X X | $$ | . . . X O X . O X X O O O X X O O O X | $$ | . . O O X X . . . O X O X . . X O O O | $$ | . O . . O . . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O . . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . . . . O . . . . O O X X X X X X X X | $$ | . . . X O X . O X X O O O X X O O O X | $$ | 1 3 O O X X . . . O X O X . . X O O O | $$ | 2 O . . O . . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | 4 X X O X X X O . . X . X O O O X O . | $$ | X X X O . . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------
[go]$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . . . . O . . . . O O X X X X X X X X | $$ | . . . X O X . O X X O O O X X O O O X | $$ | 1 3 O O X X . . . O X O X . . X O O O | $$ | 2 O . . O . . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | 4 X X O X X X O . . X . X O O O X O . | $$ | X X X O . . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
A ko?
Re: Cool tesuji bro.
Posted: Sun Feb 13, 2011 7:02 pm
by Solomon
Shaddy wrote:
Araban wrote:Was randomly kibitzing a game between two mid/high dans, saw a pretty interesting endgame play that I thought people might be interested in:
$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . . . . O . . . . O O X X X X X X X X | $$ | . . . X O X . O X X O O O X X O O O X | $$ | . . O O X X . . . O X O X . . X O O O | $$ | . O . . O . . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O . . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------
[go]$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . . . . O . . . . O O X X X X X X X X | $$ | . . . X O X . O X X O O O X X O O O X | $$ | . . O O X X . . . O X O X . . X O O O | $$ | . O . . O . . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O . . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . . . . O . . . . O O X X X X X X X X | $$ | . . . X O X . O X X O O O X X O O O X | $$ | 1 3 O O X X . . . O X O X . . X O O O | $$ | 2 O . . O . . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | 4 X X O X X X O . . X . X O O O X O . | $$ | X X X O . . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------
[go]$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . . . . O . . . . O O X X X X X X X X | $$ | . . . X O X . O X X O O O X X O O O X | $$ | 1 3 O O X X . . . O X O X . . X O O O | $$ | 2 O . . O . . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | 4 X X O X X X O . . X . X O O O X O . | $$ | X X X O . . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
A ko?
Looking for something better, since W could just:
$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . . . . O . . . . O O X X X X X X X X | $$ | 4 6 . X O X . O X X O O O X X O O O X | $$ | 1 2 O O X X . . . O X O X . . X O O O | $$ | 3 O . X O O . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | 5 X X O X X X O . . X . X O O O X O . | $$ | X X X O . . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------
[go]$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . . . . O . . . . O O X X X X X X X X | $$ | 4 6 . X O X . O X X O O O X X O O O X | $$ | 1 2 O O X X . . . O X O X . . X O O O | $$ | 3 O . X O O . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | 5 X X O X X X O . . X . X O O O X O . | $$ | X X X O . . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
Re: Cool tesuji bro.
Posted: Sun Feb 13, 2011 7:08 pm
by Solomon
I made a small mistake in the original diagram, fixed it up sorry! ('small' in the sense that the adjustment isn't large; it is still significant!)
Also, I'm not making any guarantees that a solution exists; could easily be wrong, since this comes from a raw game, not a tsumego book.
Re: Cool tesuji bro.
Posted: Sun Feb 13, 2011 7:14 pm
by topazg
With that adjustment, the shape move at B10 looks promising? Though:
$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | 7 . . . O . . . . O O X X X X X X X X | $$ | 6 1 5 X O X . O X X O O O X X O O O X | $$ | 3 2 O O X X . . . O X O X . . X O O O | $$ | 4 O . X O O . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O 8 . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------
[go]$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | 7 . . . O . . . . O O X X X X X X X X | $$ | 6 1 5 X O X . O X X O O O X X O O O X | $$ | 3 2 O O X X . . . O X O X . . X O O O | $$ | 4 O . X O O . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O 8 . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
White lives in double ko here? Bah... this doesn't work either:
$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . . . . O . . . . O O X X X X X X X X | $$ | 5 1 3 X O X . O X X O O O X X O O O X | $$ | 4 2 O O X X . . . O X O X . . X O O O | $$ | . O . X O O . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O 6 . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------
[go]$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . . . . O . . . . O O X X X X X X X X | $$ | 5 1 3 X O X . O X X O O O X X O O O X | $$ | 4 2 O O X X . . . O X O X . . X O O O | $$ | . O . X O O . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O 6 . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
Re: Cool tesuji bro.
Posted: Sun Feb 13, 2011 7:18 pm
by Perception
I think this is right, not sure so please check and let me know if I missed something.
$$Bcm1 7 at 1, 8 at 3, 10 connects. $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . . . . O . . . . O O X X X X X X X X | $$ | 4 2 5 X O X . O X X O O O X X O O O X | $$ | 3 1 O O X X . . . O X O X . . X O O O | $$ | 6 O 9 X O O . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O . . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------
[go]$$Bcm1 7 at 1, 8 at 3, 10 connects. $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . . . . O . . . . O O X X X X X X X X | $$ | 4 2 5 X O X . O X X O O O X X O O O X | $$ | 3 1 O O X X . . . O X O X . . X O O O | $$ | 6 O 9 X O O . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O . . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
$$Bcm1 7 at 1, 8 at 3, 10 connects. $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . 1 . . O . . . . O O X X X X X X X X | $$ | O O X X O X . O X X O O O X X O O O X | $$ | O O O O X X . . . O X O X . . X O O O | $$ | O O X X O O . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O . . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------
[go]$$Bcm1 7 at 1, 8 at 3, 10 connects. $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . 1 . . O . . . . O O X X X X X X X X | $$ | O O X X O X . O X X O O O X X O O O X | $$ | O O O O X X . . . O X O X . . X O O O | $$ | O O X X O O . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O . . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
Since white can't resist he has to give way.
$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . . . . O . . . . O O X X X X X X X X | $$ | 4 2 6 X O X . O X X O O O X X O O O X | $$ | 3 1 O O X X . . . O X O X . . X O O O | $$ | 7 O 5 X O O . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O . . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------
[go]$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . . . . O . . . . O O X X X X X X X X | $$ | 4 2 6 X O X . O X X O O O X X O O O X | $$ | 3 1 O O X X . . . O X O X . . X O O O | $$ | 7 O 5 X O O . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O . . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
Edit: Or save his group at the bottom.
$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . . . . O . . . . O O X X X X X X X X | $$ | . . 3 X O X . O X X O O O X X O O O X | $$ | . 1 O O X X . . . O X O X . . X O O O | $$ | . O 5 X O O . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O 2 4 X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------
[go]$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . . . . O . . . . O O X X X X X X X X | $$ | . . 3 X O X . O X X O O O X X O O O X | $$ | . 1 O O X X . . . O X O X . . X O O O | $$ | . O 5 X O O . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O 2 4 X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
When I was looking at the diagram before it was fixed I was looking at this same sequence except white could have let black capture after this and it comes to nothing (unless I missed something of course).
$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . . . . O . . . . O O X X X X X X X X | $$ | . . . X O X . O X X O O O X X O O O X | $$ | . . O O X X . . . O X O X . . X O O O | $$ | . O 2 1 O . . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O . . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------
[go]$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . . . . O . . . . O O X X X X X X X X | $$ | . . . X O X . O X X O O O X X O O O X | $$ | . . O O X X . . . O X O X . . X O O O | $$ | . O 2 1 O . . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O . . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
Re: Cool tesuji bro.
Posted: Sun Feb 13, 2011 7:42 pm
by Shaddy
topazg wrote:
With that adjustment, the shape move at B10 looks promising? Though:
$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | 7 . . . O . . . . O O X X X X X X X X | $$ | 6 1 5 X O X . O X X O O O X X O O O X | $$ | 3 2 O O X X . . . O X O X . . X O O O | $$ | 4 O . X O O . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O 8 . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------
[go]$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | 7 . . . O . . . . O O X X X X X X X X | $$ | 6 1 5 X O X . O X X O O O X X O O O X | $$ | 3 2 O O X X . . . O X O X . . X O O O | $$ | 4 O . X O O . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O 8 . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
White lives in double ko here? Bah... this doesn't work either:
$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . . . . O . . . . O O X X X X X X X X | $$ | 5 1 3 X O X . O X X O O O X X O O O X | $$ | 4 2 O O X X . . . O X O X . . X O O O | $$ | . O . X O O . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O 6 . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------
[go]$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | . . . . O . . . . O O X X X X X X X X | $$ | 5 1 3 X O X . O X X O O O X X O O O X | $$ | 4 2 O O X X . . . O X O X . . X O O O | $$ | . O . X O O . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O 6 . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | 7 . . . O . . . . O O X X X X X X X X | $$ | 6 1 5 X O X . O X X O O O X X O O O X | $$ | 3 2 O O X X . . . O X O X . . X O O O | $$ | 4 O . X O O . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O 8 . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------
[go]$$Bcm1 B to play (W's last move marked). $$ --------------------------------------- $$ | . . . . . . . . . X O O O O O . . . . | $$ | X X O O X . . . X X O X X O . O . . . | $$ | . X O X . . . . X O O X X O O O . O . | $$ | O X O X . . . . X X X X O X O X X X . | $$ | . O X X . . . . . . O O O X X O . O O | $$ | O . O O X X X . . . . X X . X O O . X | $$ | . O . . O O O X X . X . . . . X O . . | $$ | . . . . . . . O . O X O O . X . O . . | $$ | 7 . . . O . . . . O O X X X X X X X X | $$ | 6 1 5 X O X . O X X O O O X X O O O X | $$ | 3 2 O O X X . . . O X O X . . X O O O | $$ | 4 O . X O O . . O O X X . X X X O . . | $$ | X O O X X O O O . X . . X . X X O O O | $$ | . X X O X X X O . . X . X O O O X O . | $$ | X X X O 8 . X O X X . . X O . O X X . | $$ | . X O O . O O X . , X X O . . O O . X | $$ | . X X O O X X X X X O O O . . . O . . | $$ | . X O W O O . X X O O . . . . . . . . | $$ | . X X O . O . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
7 here should be c8, and then black has a ko, so the best for white is to let him connect under.
and it comes to nothing (unless I missed something of course).