> -----Original Message-----
> From: terry mcintyre <[email protected]>
> To: computer-go <[email protected]>
> Sent: Fri, Aug 7, 2009 10:35 am
> Subject: Re: [computer-go] RAVE problems
>
> Perhaps the "context" attached to RAVE needs to be more subtle than a static
> 3x3 pattern - tactical and efficiency > considerations may apply - a move may
> be good when it defends or kills a group, but bad if it has no effect upon
> the > status - it may be wasted in such cases.
These are the context codes that I am currently testing. I'm using the terms
context-AMAF (CAMAF) and context RAVE (CRAVE).
10 bits:
case 0: printf("context %d: eye creating \n", k); break;
0: printf("context %d: eye creating \n", k); break;
case 1: printf("context %d: pat \n", k); break;
1: printf("context %d: pat \n", k); break;
case 2: printf("context %d: self_atari \n", k); break;
2: printf("context %d: self_atari \n", k); break;
case 3: printf("context %d: capture \n", k); break;
3: printf("context %d: capture \n", k); break;
case 4: printf("context %d: enemy-atari \n", k); break;
4: printf("context %d: enemy-atari \n", k); break;
case 5: printf("context %d: ladder-like attack \n", k); break;
5: printf("context %d: ladder-like attack \n", k); break;
case 6: printf("context %d: rescue \n", k); break;
6: printf("context %d: rescue \n", k); break;
case 7: printf("context %d: liberties_for_move == 2 \n", k); break;
7: printf("context %d: liberties_for_move == 2 \n", k); break;
case 8: printf("context %d: running \n", k); break;
8: printf("context %d: running \n", k); break;
case 9: printf("context %d: squeeze \n", k); break;
9: printf("context %d: squeeze \n", k); break;
default: printf("context %d: NO CONTEXT \n", k); break;
: printf("context %d: NO CONTEXT \n", k); break;
case 1, matching a pattern, is a binary flag indicating that the move makes any
"good" 3x3 pattern.
case 4, ladder-like attack, means that it puts a foe group into atari, that
group couldn't gain a liberty by capturing, and couldn't gain > 2 liberties by
moving onto its single liberty.
case 8, running, means it gives a friendly group >= 3 liberties where it had 2
liberties before.
case 9, squeeze, means it reduces a foe group to 2 liberties (but they might be
eyes...).
If ladder testing is enabled, there is an 11th bit for that result.
I'm certain that this is not the ideal set of features. I'd be very interested
in what the group thinks they should be.
- Dave Hillis
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