Author: Pete Galati
Date: 14:38:30 01/13/01
Go up one level in this thread
On January 13, 2001 at 14:52:08, Leen Ammeraal wrote:
>On January 13, 2001 at 14:35:49, Pete Galati wrote:
>
>>On January 13, 2001 at 13:46:15, Leen Ammeraal wrote:
>>
>>>I just uploaded a (rather restricted) WinBoard version,
>>>wbqueen, of my chess program queen. Any reactions
>>>are welcome. Being unfamiliar with ELO rating I would
>>>appreciate any opinions (or better) about the rating
>>>of this program, as well as suggestions how to improve it.
>>>I programmed it in VC++6.0 and I used
>>>
>>>- rotated bitboards
>>>- PVS/Negascout
>>>- hashing
>>>- nullmove pruning
>>>- openings from the PGN files of about 350 FIDE games
>>>
>>>Leen Ammeraal
>>>http://home.wxs.nl/~ammeraal/
>>
>>It always surprizes me when someone builds the opening book inot their exe. It
>>seems to be working just fine, I didn't take the time to add it to the WBini
>>file yet, but it's working without any problems so far.
>>
>>When you say "rather restricted", do you mean it doesn't use many Winboard
>>commands and options yet?
>>
>>Pete
>
>Yes, that is what I mean. As for the opening book, it may interest
>you to see a code fragment related to it:
>
>char *pOpenings[] =
>{"e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d3 a6 Nbd2 O-O Bb3 d6 h3 Be6 Nf1 h6 g4 Nh7 Rg1 d5
>Qe2 Be7 ",
>"d4 Nf6 Nf3 g6 c4 Bg7 g3 d6 Bg2 O-O O-O Nc6 Nc3 a6 d5 Na5 Nd2 c5 Rb1 Rb8 b3 b5
>Bb2 Bf5 ",
>"Nf3 Nf6 d4 e6 c3 c5 Bg5 cxd4 cxd4 Qb6 Qc2 Nc6 Bxf6 gxf6 e3 d5 Nc3 Bd7 Be2 Rc8
>O-O f5 Rfc1 Nb8 ",
>"g3 d5 Bg2 g6 c4 c6 cxd5 cxd5 Qb3 Nf6 Nc3 e6 Nf3 Nc6 d4 Bg7 O-O O-O Bf4 Nh5 Rfd1
>Nxf4 gxf4 b6 ",
>
>These are the first four of the 350 games I used. I downloaded
>some file with these games from the Internet, and made them
>somewhat shorter by deleting the move numbers and tags (using a simple
>conversion program, which generated the above code). All positions
>that occur with these moves, along with the next move, are stored
>in my hashtable, using a modular counter that start at a random
>position in this array pOpenings (to avoid getting the same
>game each time), and that is the opening book! If you think
>there is a better set of games for this purpose, please let me know.
>
>Leen
I like the way you did that. It appears to use a relatively small amount of
code that way. It looks like a tedious, repititious editing job though to put
in the games. I need to take some time and play some games against WBQueen.
Pete
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.