On 11/23/06, Rémi Coulom <[EMAIL PROTECTED]> wrote:
I have come up with a simple position where GNU Go fails: it is a position with two ladders. The best move is a double-purpose ladder breaker at the intersection of the two ladders. GNU Go plays terribly bad when ladder-breakers are involved. I wonder what other Go programs play in the attached position.
But note that white should play K9 to break the ladders. If white plays K10, then black can reply at K9 to secure both ladders. Also, I would appreciate if some strong players could check this
position for correctness. I tried to make the position balanced so that if White does not play in the center, then it loses the game, and if it plays in the center, then it should win. But I am really not sure at all whether it is balanced or not.
I agree W loses if he loses both ladders, but the situation if white saves one ladder is not so clear. Black still holds 4 corners and can reduce w's territory around the ladder w saved. I'd say the odds are still in black's favor. regards, -John
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