Search found 4435 matches

by Ferdy
Fri Jan 15, 2021 5:51 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Tapered Evaluation and MSE (Texel Tuning)
Replies: 85
Views: 1727

Re: Tapered Evaluation and MSE (Texel Tuning)

Hello Ferdy, thank you! I will check it as soon as possible. This time to be sure, what is the pov of the result score? 1. pov result == side to move 2. pov result == white to move rnb2rk1/4bppp/2p1p3/p6q/Pp6/4NNP1/1PQ1PPBP/R2R2K1 w - -,1-0 That 1-0 result is white wins, 0-1 black wins, does not ma...
by Ferdy
Fri Jan 15, 2021 5:04 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Tapered Evaluation and MSE (Texel Tuning)
Replies: 85
Views: 1727

Re: Tapered Evaluation and MSE (Texel Tuning)

Got this result. K: 0, Pos: 4041988, total_sq_error: 416103.0, mse: 0.1029451349187578 K: 1, Pos: 4041988, total_sq_error: 451012.9131711059, mse: 0.11158195253699563 K: 2, Pos: 4041988, total_sq_error: 520544.6291908135, mse: 0.12878430841229946 Reformatted epd file is here Example: rnb2rk1/4bppp/...
by Ferdy
Fri Jan 15, 2021 4:30 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Tapered Evaluation and MSE (Texel Tuning)
Replies: 85
Views: 1727

Re: Tapered Evaluation and MSE (Texel Tuning)

Hello, can someone confirm the number below please. double error = mse(); printf("\nTotal error ccrl-40-15-elo-3200.epd with K=1.0: %.16f", error); getchar(); Loaded Epd Positions: 1537380 Total error ccrl-40-15-elo-3200.epd with K=1.0: 0.1216016900516253 Of course, I need to further divide the pro...
by Ferdy
Thu Jan 14, 2021 3:54 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Tapered Evaluation and MSE (Texel Tuning)
Replies: 85
Views: 1727

Re: Tapered Evaluation and MSE (Texel Tuning)

Hello everybody, to understand what is going on, i thought i can use a databse that i did not generate myself. So i used ccrl-40-15-elo-3200.epd from https://rebel13.nl/misc/epd.html. Setup: 1. material only evaluator 2. cpw algorithm 3. scalingfactor K=1.0 4. pawn values are anchor for mg and eg [...
by Ferdy
Thu Jan 14, 2021 11:41 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Tapered Evaluation and MSE (Texel Tuning)
Replies: 85
Views: 1727

Re: Tapered Evaluation and MSE (Texel Tuning)

Hello Ferdy, i have some questions, because looking into https://github.com/fsmosca/Piece-Value-Estimator/tree/master/data i am going to realize more and more differences compared to what i am doing. 1. choice of position related to the game result ( i saw right now, that you answered it already......
by Ferdy
Thu Jan 14, 2021 11:25 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Tapered Evaluation and MSE (Texel Tuning)
Replies: 85
Views: 1727

Re: Tapered Evaluation and MSE (Texel Tuning)

Hi Ferdy, from your readme Postions are saved with the following conditions: * If the move in the game is not a capture, and not a checking move and not a promote move and the side to move is not in check and the game has either 1-0 or 0-1 result. Does that mean you ignore draws and positions which...
by Ferdy
Thu Jan 14, 2021 11:11 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Tapered Evaluation and MSE (Texel Tuning)
Replies: 85
Views: 1727

Re: Tapered Evaluation and MSE (Texel Tuning)

Hello everybody, to understand what is going on, i thought i can use a databse that i did not generate myself. So i used ccrl-40-15-elo-3200.epd from https://rebel13.nl/misc/epd.html. Setup: 1. material only evaluator 2. cpw algorithm 3. scalingfactor K=1.0 4. pawn values are anchor for mg and eg [...
by Ferdy
Thu Jan 14, 2021 10:46 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Tapered Evaluation and MSE (Texel Tuning)
Replies: 85
Views: 1727

Re: Tapered Evaluation and MSE (Texel Tuning)

Hi Ferdy, from your readme Postions are saved with the following conditions: * If the move in the game is not a capture, and not a checking move and not a promote move and the side to move is not in check and the game has either 1-0 or 0-1 result. Does that mean you ignore draws and positions which...
by Ferdy
Thu Jan 14, 2021 10:23 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Tapered Evaluation and MSE (Texel Tuning)
Replies: 85
Views: 1727

Re: Tapered Evaluation and MSE (Texel Tuning)

Next use ccrl3200 positions with material imbalance only as training positions. This one using ccrl3200 with only material imbalance. Pawn is included in the tuning. https://i.imgur.com/pAlGzhW.png successive iteration without error improvement: 3 Exit tuning, error is not improved. Iterations: 8 B...
by Ferdy
Thu Jan 14, 2021 9:08 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Tapered Evaluation and MSE (Texel Tuning)
Replies: 85
Views: 1727

Re: Tapered Evaluation and MSE (Texel Tuning)

https://i.imgur.com/NUFsX69.png Next I will try to run at 300k batch size. 300k is done with the following plot. Iterations: 5 Best mse: 0.11082894164608197 Best parameters: +----------+--------+---------+ | par | init | tuned | +==========+========+=========+ | KnightOp | 300 | 305 | +----------+-...