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Subject: Re: Experimentation with move ordering

Author: Jon Dart

Date: 14:47:06 11/28/00

Go up one level in this thread


Your tree sizes look pretty normal. Here is Arasan 5.4:

ply 1.  dxe5	0 seconds.	score:   0.16	5 nodes.
ply 1.  Nf3	0 seconds.	score:   0.17	34 nodes.
ply 1.  Nf3	0 seconds.	score:   0.17	69 nodes.
ply 2.  Bb5+	0 seconds.	score:   0.09	278 nodes.
ply 2.  dxe5	0 seconds.	score:   0.16	382 nodes.
ply 2.  dxe5	0 seconds.	score:   0.16	693 nodes.
ply 3.  dxe5	0 seconds.	score:   0.36	2070 nodes.
ply 4.  dxe5	0 seconds.	score:   0.22	8162 nodes.
ply 5.  dxe5	0 seconds.	score:   0.25	20774 nodes.
ply 6.  dxe5	0 seconds.	score:   0.36	49413 nodes.
ply 7.  dxe5	0 seconds.	score:   0.42	144579 nodes.
ply 8.  dxe5	2 seconds.	score:   0.66	381292 nodes.
ply 9.  dxe5	5 seconds.	score:   0.67	1035482 nodes.
ply 10. dxe5	14 seconds.	score:   0.67	2683317 nodes.

Arasan 6.0 (unreleased version) is a little worse at present
(it's got different pruning which I'm still working on):

ply 1.  dxe5	0 seconds.	score:   0.11	5 nodes.
ply 1.  Bb5+	0 seconds.	score:   0.16	11 nodes.
ply 1.  Nf3	0 seconds.	score:   0.17	42 nodes.
ply 1.  Nf3	0 seconds.	score:   0.17	79 nodes.
ply 2.  dxe5	0 seconds.	score:   0.11	355 nodes.
ply 2.  dxe5	0 seconds.	score:   0.11	662 nodes.
ply 3.  dxe5	0 seconds.	score:   0.31	2137 nodes.
ply 4.  dxe5	0 seconds.	score:   0.17	9329 nodes.
ply 5.  dxe5	0 seconds.	score:   0.33	28414 nodes.
ply 6.  dxe5	0 seconds.	score:   0.33	67041 nodes.
ply 7.  dxe5	1 seconds.	score:   0.34	185392 nodes.
ply 8.  dxe5	2 seconds.	score:   0.53	466490 nodes.
ply 9.  dxe5	7 seconds.	score:   0.52	1308382 nodes.
ply 10. dxe5	17 seconds.	score:   0.59	3032991 nodes.



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