Search found 29 matches

by Martin
Sat Oct 17, 2020 6:02 am
Forum: Computer Chess Club: General Topics
Topic: Marvin 4.0.0
Replies: 9
Views: 1664

Re: Marvin 4.0.0

Yes, the next version of Marvin will use NNUE. The NNUE version will play in the upcoming TCEC Cup 7.
by Martin
Tue Oct 13, 2020 5:31 pm
Forum: Computer Chess Club: General Topics
Topic: 14th ACCA World Computer Rapid Chess Championships
Replies: 13
Views: 1006

Re: 14th ACCA World Computer Rapid Chess Championships

14-15 of November doesn't work for me. All other dates are fine.


/Martin
by Martin
Sat Aug 29, 2020 10:50 am
Forum: Computer Chess Club: General Topics
Topic: Marvin 4.0.0
Replies: 9
Views: 1664

Re: Marvin 4.0.0

I had massive problems with Fischer time control I am using, 20 minutes per game and 5 seconds per move. Marvin used to much time from the 20 minutes for the first moves and lost some games in late middlegame without to have enough time (the 5 seconds only). I read on your site that you improved th...
by Martin
Sat Aug 29, 2020 8:17 am
Forum: Computer Chess Club: General Topics
Topic: Marvin 4.0.0
Replies: 9
Views: 1664

Re: Marvin 4.0.0

The RESIGN feature has not been there for a long time. It was removed already for the 2.0.0 release.
by Martin
Sat Aug 29, 2020 6:50 am
Forum: Computer Chess Club: General Topics
Topic: Marvin 4.0.0
Replies: 9
Views: 1664

Marvin 4.0.0

Marvin 4.0.0 is now available. It is the same version as the one that played in TCEC S19. Based on my test gauntlets it's about 45 elo stronger than the previous version. Release Notes MultiPV support Improved LMR formula Evaluation of tempo Switched to using only one slot for killer moves Fixed iss...
by Martin
Tue Jul 28, 2020 6:47 pm
Forum: Computer Chess Club: Tournaments and Matches
Topic: Marvin 3.6.0 64-bit Gauntlet for CCRL 40/15
Replies: 2
Views: 645

Re: Marvin 3.6.0 64-bit Gauntlet for CCRL 40/15

Thank you for testing! Finally Marvin is above 3000.

/Martin
by Martin
Thu May 21, 2020 3:18 pm
Forum: Computer Chess Club: General Topics
Topic: Marvin 3.6.0
Replies: 1
Views: 402

Marvin 3.6.0

A new version of Marvin is now available. I estimate that it's about 50 elo stronger than the previous version. Release Notes SEE improvements More aggressive SEE pruning Improved time management Added counter move and follow-up move history heuristic Store position evaluation in transposition table...
by Martin
Thu Feb 13, 2020 5:44 pm
Forum: Computer Chess Club: General Topics
Topic: Marvin 3.5.0
Replies: 2
Views: 527

Marvin 3.5.0

Marvin 3.5.0 is now available. It's about 30 elo stronger than 3.4.0, and maybe 20 elo stronger than the version that played in TCEC S17. Most of the work for this release have been focused on the evaluation so that's where most of the improvements comes from. For the next release I plan to focus mo...
by Martin
Tue Jul 09, 2019 1:29 pm
Forum: Computer Chess Club: General Topics
Topic: Marvin 3.4.0
Replies: 2
Views: 822

Marvin 3.4.0

I have just released Marvin 3.4.0. My tests show a 100 elo improvement compared to version 3.3.2, but that's probably a bit optimistic. Most of the improvements comes from more aggressive LMP and improvements to history heuristic. I have also done some refactoring of the move generation and move sel...