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Subject: Re: MT search question

Author: Anthony Cozzie

Date: 07:48:39 11/11/04

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On November 11, 2004 at 09:30:05, Daniel Shawul wrote:

>Today i finished organizing my BOARD class , and collecting some global
>variables so that i can make a copy of a board easily. Problem is
>I use 0x88 and piecelists which need huge for loops to copy. BITBOARDs look
>easier. Is this too much of a problem? I am saying this because i think i have
>to make a copy of the board each time a node is split.
>daniel

(from you-go-girl thread)
1. Nf3xe5[S] Qd8-e7 2. Bf5-e4[S] d6xe5[S] 3. Be4xb7[S] Nf4xe2 4. Ke1xe2[S]
Qe7xb7[S] 5. Qc3xe5[S] f7-f6[S] 6. Qe5-e6 Rf8-f7 7. b4xc5 b6xc5 8. Bb2xf6 Nb8-c6
9. Qe6-d5 Ra8-e8 10. Ke2-f1[S] Nc6-d4 11. Qd5xb7 Rf7xb7 12. Bf6xd4
 = (1.15)	Depth: 14/43	00:08:30.99	609709kN (1193 KN/s, 4649 splits, 459 aborts)

Note that the program split only 5000 times in 8 minutes.

I am with Bob on this one; split overhead is important but not THAT important.

anthony



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