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2 ply truncated ROLLOUT

Posted By: Matt Cohn-Geier
Date: Monday, 8 September 2008, at 9:45 p.m.

In Response To: 2 ply truncated ROLLOUT (pontiac)

0-ply checkers/2-ply cube is a possibility. Probably not good in a back game like this one but it's fine for races or something of that nature. 0-ply cube, IMO, should not be used.

I don't much like truncating rollouts, but if you're going to truncate them, truncate odd-ply evals at odd-ply and truncate even-ply evals at even-ply. 2-ply truncated 11 plies deep is bad--it should be truncated at 10 or 12. Don't use truncation for cube decisions. Truncation doesn't particularly work well in this position either, but it might be fine for say, a holding game.

And you can always stop when the JSDs get far enough apart. I generally stop rollouts when I get to 3 or 4 JSDs to be on the safe side.

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