Re: [gnugo-devel] The killer heuristic

[Arend Bayer]

Evan wrote:

> The following patch implements the killer heuristic in tactical move
> ordering.
>
> The heuristic works like this:  if black plays move A1, and white finds a
> successful response in move B, then when black tries A2 instead, it is
> reasonable to assume that B is a good response, and should be tried as the
> first move.

Nice. Do I understand the patch correctly that you don't use this
heuristic in defend1, defend2, attack2, attack3? Any reason for this?

Arend


Tiny little detail:

> @@ -1014,6 +1015,9 @@
>
>    RTRACE("Can we rescue %1m?\n", str);
>
> +  if (move && ON_BOARD(*move) && board[*move] == EMPTY)
> +    xpos = *move;
> +
The ON_BOARD(*move) is redundant.