Search found 3610 matches

by Henk
Tue May 14, 2019 8:43 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: A bug is squashing me. HELP!
Replies: 20
Views: 685

Re: A bug is squashing me. HELP!

I assume it passed al the perft tests. KiwiPete 4 0r 5 is first one to try. Then next step is solving some mate in N puzzles.
After that do the WAC test ?
by Henk
Sat May 11, 2019 8:12 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: win-chance for each root move
Replies: 19
Views: 562

Re: win-chance for each root move

At least number of games should be equal. Maybe also ELO of players should be about equal. And what if they play a move with the wrong plan. I can imagine there are moves underestimated. For instance in 1800 nobody played Sicilian. Why would that be different in 2019. Maybe only engines should be us...
by Henk
Mon May 06, 2019 12:48 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: A bug is squashing me. HELP!
Replies: 20
Views: 685

Re: A bug is squashing me. HELP!

I find it confusing that you don't update a value in main loop but update alpha only. I would set value to -infinite, update it and return that value as a result. Might be that is less efficient but I don't go that far for move generation is far more expensive. First make it work then do optimizatio...
by Henk
Sun May 05, 2019 1:55 pm
Forum: Computer Chess Club: General Topics
Topic: Longest games
Replies: 24
Views: 1714

Re: Longest games

I remember Karpov telling in a video that 1. Nf3 usually end in a draw.
by Henk
Sun May 05, 2019 1:50 pm
Forum: Computer Chess Club: General Topics
Topic: Longest games
Replies: 24
Views: 1714

Re: Longest games

Longest game posted on CCC:

1. May 4 2019: 399 moves MikeB
2. April 25 2019: 359 moves MikeB
by Henk
Sun May 05, 2019 12:39 pm
Forum: Computer Chess Club: General Topics
Topic: Authors of chess engines getting crushed by their creations
Replies: 17
Views: 1029

Re: Authors of chess engines getting crushed by their creations

Stupid tactics. [Event "Computer Chess Game"] [Site "HP"] [Date "2019.05.05"] [Round "-"] [White "SchaakMachine"] [Black "Henk"] [Result "1-0"] [TimeControl "420"] [Annotator "1. +0.56"] 1. d4 {+0.56/8} d6 2. e4 {+0.71/8 8} e5 3. c3 {+0.75/7 8} Be7 4. Nf3 {+0.88/7 8} Nd7 5. Bb5 {+0.66/8 8} c6 6. Bd3...
by Henk
Sat Apr 27, 2019 2:23 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: On-line engine blitz tourney April
Replies: 17
Views: 1207

Re: On-line engine blitz tourney April

I will be there, I informed Bart Goldhoorn too. The coming days I will try to add a few bugs, at least that is what usually happens when I start hacking the engine a few days before the tournament. Now I sound like Henk! :shock: Each change is always a regression. Unless it is on a rainy day and yo...
by Henk
Sat Apr 27, 2019 12:32 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Training using 1 playout instead of 800
Replies: 12
Views: 721

Re: Training using 1 playout instead of 800

How much time does it cost you to compute one training game on your computer?
by Henk
Thu Apr 25, 2019 9:48 pm
Forum: Computer Chess Club: General Topics
Topic: Longest games
Replies: 24
Views: 1714

Re: Longest games

At least it is in the CCC book of records: Longest game posted on CCC. 25 april 2019: 359 moves Congrats. By the way longest human-human game 269 moves. See: https://timkr.home.xs4all.nl/records/records.htm Probably quite easy to write a world champion longest game creator. Self play, with win=loss...
by Henk
Thu Apr 25, 2019 9:11 pm
Forum: Computer Chess Club: General Topics
Topic: Longest games
Replies: 24
Views: 1714

Re: Longest games

At least it is in the CCC book of records: Longest game posted on CCC. 25 april 2019: 359 moves Congrats. By the way longest human-human game 269 moves. See: https://timkr.home.xs4all.nl/records/records.htm Probably quite easy to write a world champion longest game creator. Self play, with win=loss...