Search found 3429 matches

by Henk
Sat Aug 18, 2018 4:47 pm
Forum: Computer Chess Club: General Topics
Topic: In Praise of The King
Replies: 19
Views: 879

Re: In Praise of The King

Still no engine named after Elvis (the King)
by Henk
Sat Aug 18, 2018 4:20 pm
Forum: Computer Chess Club: General Topics
Topic: Slippers shorties
Replies: 7
Views: 343

Re: Slippers shorties

1. Nb1-c3 { 1.508 0.03 } { } 1. f7-f6 { 1.538 -0.09 } { } 2. Ra1-b1 { 1.482 0.00 } { } 2. Nb8-c6 { 1.478 -0.02 } { } 3. e2-e4 { 1.462 0.03 } { } 3. d7-d5 { 1.455 -0.04 } { } 4. Qd1-e2 { 1.433 -0.07 } { } 4. Nc6-b4 { 1.427 -0.09 } { } 5. Qe2-e3 { 1.418 -0.09 } { } 5. d5-d4 { 1.411 -0.06 } { } 6. Bf1...
by Henk
Mon Aug 13, 2018 11:03 am
Forum: Computer Chess Club: General Topics
Topic: Slippers shorties
Replies: 7
Views: 343

Re: Slippers shorties

Slipper without net using monte carlo tree search with alpha beta search level 1 for evaluation. Game looks 'normal'. So problem is bad evaluation of a position by neural network. Training examples for neural network were generated using same alpha beta search level 1 for evaluation. So it is not th...
by Henk
Sun Aug 12, 2018 12:53 pm
Forum: Computer Chess Club: General Topics
Topic: Slippers shorties
Replies: 7
Views: 343

Re: Slippers shorties

How many years will it take to fix that? Don't know. Plain alha zero method takes 11000 years for tuning on my computer. So we have to be patient. But white did not play that bad. Looks like Black played suicide chess. (Maybe using wrong sign) First step is to replace network with an old school eva...
by Henk
Sun Aug 12, 2018 11:47 am
Forum: Computer Chess Club: General Topics
Topic: Slippers shorties
Replies: 7
Views: 343

Re: Slippers shorties

How many years will it take to fix that? Don't know. Plain alha zero method takes 11000 years for tuning on my computer. So we have to be patient. But white did not play that bad. Looks like Black played suicide chess. (Maybe using wrong sign) First step is to replace network with an old school eva...
by Henk
Sun Aug 12, 2018 10:10 am
Forum: Computer Chess Club: General Topics
Topic: Slippers shorties
Replies: 7
Views: 343

Slippers shorties

Great game 1. Nb1-a3 { 34.101 -0.06 } { } 1. d7-d5 { 2.026 0.04 } { } 2. e2-e3 { 1.842 -0.18 } { } 2. Bc8-g4 { 2.035 0.22 } { } 3. Qd1-g4 { 1.942 -0.47 } { } 3. d5-d4 { 2.161 0.40 } { } 4. e3-d4 { 1.600 -0.15 } { } 4. Qd8-c8 { 2.745 0.14 } { } 5. Qg4-c8 { 1.342 0.99 } { }
by Henk
Sat Aug 11, 2018 5:29 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: On-line engine blitz tourney July (retry)
Replies: 16
Views: 637

Re: On-line engine blitz tourney July (retry)

Skipper is only in it for the money. It asks 6.95 Euro per hour. So we need a tournament sponsor.
Also tuning engines cost a lot of electricity.

I haven't finished my eBook "Slippers 60 memorable games".
by Henk
Thu Aug 09, 2018 10:11 pm
Forum: Computer Chess Club: General Topics
Topic: Slipper update
Replies: 0
Views: 152

Slipper update

Result after using 8000 training examples. Supervised learning. Giving away queen at second move. Ouch. 1. d2-d4 { 1.007 48.70 } { } 1. e7-e6 { 1.004 40.11 } { } 2. g2-g3 { 0.993 36.75 } { } 2. Qd8-g5 { 0.985 31.70 } { } 3. Qd1-d2 { 0.968 30.12 } { } 3. Qg5-d2 { 0.970 27.19 } { } 4. Bc1-d2 { 0.956 3...
by Henk
Thu Aug 09, 2018 10:29 am
Forum: Chess Players Forum
Topic: My Worst Simultaneous Game
Replies: 2
Views: 160

Re: My Worst Simultaneous Game

Oh, that hurts =( I'm gonna take a wild guess and say you got to play Giri? Yes. It was Giri. Before my blunder I also did not like my position very well. a4-a5 etc. Stockfish says Qc7 is best with advantage for white. Main problem was that I had not encountered 6. g3 before. Only one player manage...
by Henk
Wed Aug 08, 2018 1:47 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: need to update my knowledge
Replies: 14
Views: 581

Re: need to update my knowledge

Often you wonder which concrete class is being used for the abstract code doesn't tell you. Simplicity is most important property. Well, I agree. Although abstraction is more or less here in order to hide and make flexible the "really" executed code parts. Good logging facility helps when it comes ...