Search found 667 matches

by F. Bluemers
Sun Jul 10, 2016 10:20 am
Forum: Computer Chess Club: General Topics
Topic: Complex Puzzle
Replies: 331
Views: 64662

Re: Complex Puzzle

[D] k3K3/P3N3/7p/ppp3pp/3pp3/6R1/rn1P2PB/8 w - - 0 1 Dirty beta: Kxa7 might spoil it: 29 +4.50 1.61G 20:42.96 Ra3 Kxa7 Rxa2 Nd3 Rxa5+ Kb6 Ra8 b4 Kd7 Kb5 Nf5 Kc4 Kc6 Ne1 Bd6 Nxg2 Bxc5 Ne1 Bxd4 Nf3 Be3 Ne5+ Kc7 Ng4 Rb8 h4 Nd6+ Kd3 Rxb4 29 +4.50 1.43G 18:48.65 Ra3 Kxa7 Rxa2 Nd3 Rxa5+ Kb6 Ra8 b4 Kd7 Kb5...
by F. Bluemers
Thu May 26, 2016 8:23 pm
Forum: Chess Players Forum
Topic: How to play Philidor Defense
Replies: 8
Views: 2330

Re: How to play Philidor Defense

Philidor is difficult to play with black. Always capture on d4 to get the knight on d4 otherwise you may easily lose in a few moves for Bf7, Ng5, Nd5 are always threatening. This may be interesting for black as an alternative to 2 .. Nc6. Haven't tried it yet. [d] rnbqkbnr/ppp2p1p/3p2p1/8/3NP3/8/PP...
by F. Bluemers
Mon May 23, 2016 3:06 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: LMR problems
Replies: 25
Views: 5373

Re: LMR problems

I don't understand that all Pawn pushes are promising. A Pawn might be a passer, and pushing it many times in a row might lead to promotion. If you would reduce each of these pushes, you would have to search very deep before you would discover that. I guess normally you would only do that for passe...
by F. Bluemers
Tue May 17, 2016 5:35 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: LMR problems
Replies: 25
Views: 5373

Re: LMR problems

Hi erveryone. LMR is a nice idea and it does give an overall ELO increase. Usually it works ok in my checkers engine. But I had noticed my LMR implementation doesn't like loosing positions, when the score starts to go down badly. When a certain line is loosing badly, I've seen the following: After ...
by F. Bluemers
Tue May 17, 2016 5:12 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: How to speed up my engine
Replies: 88
Views: 20784

Re: How to speed up my engine

Henk wrote:Asserts only make your code more complicated. Bugs are usually in cases you did not know about. So how can you test conditions you don't know about.
Assert is usefull,but not worth the hype.They are f.i. not so helpfull for single person projects.
by F. Bluemers
Tue May 17, 2016 4:28 pm
Forum: Computer Chess Club: Tournaments and Matches
Topic: CENT - Sub Pool started
Replies: 17
Views: 2585

Re: CENT - MAIN Pool started

SF-7 with tablebases: 30/47 04:38 152,359,672 548,324 +1.84 Rd4d5 Ra6c6 Kg2f3 Kg7f6 h4h5 Kf6e7 Rd5b5 Rc6a6 Kf3e4 Ke7d8 Ke4d4 Kd8d7 Rb5b7+ Kd7e8 h5xg6 f7xg6 Rb7b5 Ke8d7 f2f4 Ra6a8 Kd4c4 Ra8a6 Kc4b4 Kd7c7 Rb5e5 Ra6d6 Kb4b5 h6h5 a5a6 Kc7b8 Kb5a5 Rd6d3 Re5g5 Rd3a3+ Ka5b6 I think we need a GM to judge :...
by F. Bluemers
Tue May 17, 2016 4:24 pm
Forum: Computer Chess Club: Tournaments and Matches
Topic: CENT - Sub Pool started
Replies: 17
Views: 2585

Re: CENT - MAIN Pool started

[d]8/4K2p/6pr/5pk1/1pB2R2/p4PP1/8/8 w - - 0 1 None found the brilliant 1.Rg4+ Nice Dirty: 26 +6.27 14.7M 0:04.93 Rg4+ fxg4 f4+ Kh5 Kf8 g5 Bf7+ Rg6 f5 Kh6 fxg6 hxg6 Kg8 b3 Bxb3 a2 Bxa2 Kh5 Bd5 Kh6 Bc4 Kh5 Bd3 Kh6 Kf7 Kh7 Bxg6+ 25 +6.27 14.5M 0:04.87 Rg4+ fxg4 f4+ Kh5 Kf8 g5 Bf7+ Rg6 f5 Kh6 fxg6 hxg6...
by F. Bluemers
Sun May 08, 2016 8:56 am
Forum: Computer Chess Club: General Topics
Topic: Position to be solved first by head and then by your engine
Replies: 9
Views: 1927

Re: Position to be solved first by head and then by your eng

Difficult but interesting. Some good engines cannot solve it. White plays and ??. [d]Kb4rr/2PP4/R1p5/1kp5/p7/P7/8/8 w - - 0 1 My head did not solve it :lol: Dirty: 7 0.00 11193 0:00.00 Rb6+ Kxb6 d8=B Bxc7 7 0.00 10615 0:00.00 Rb6+ Kxb6 d8=B Bxc7 6 0.00 9868 0:00.00 Rb6+ Kxb6 d8=B Bxc7 6 0.00 9002 0...
by F. Bluemers
Sat May 07, 2016 12:09 pm
Forum: Computer Chess Club: Tournaments and Matches
Topic: PT 50 Leiden, games from Dirty
Replies: 16
Views: 2928

Re: PT 50 Leiden, games from Dirty

But then with nice indention. Doesn't seem to work here. just put everything between code tags if(mps) { unsigned int moves_played; if(compSide==WHITE) moves_played = (moveNumber+1)/2; else moves_played = moveNumber/2; if(compSide==gamePosition[moveNumber].side && (...
by F. Bluemers
Fri May 06, 2016 9:27 am
Forum: Computer Chess Club: Tournaments and Matches
Topic: PT 50 Leiden, games from Dirty
Replies: 16
Views: 2928

Re: PT 50 Leiden, games from Dirty

Bart Weststrate wrote:
Bart Weststrate wrote:
F. Bluemers wrote:Here are the games that Dirty played.
Any tao news? Are you working on it or a different engine?
Kallisto :-) (Tao is Bas) The new engine is about "half-way"....
Too busy with my job and other hobbies.
:shock:
What a silly mixup,my apologies.
Still working in assembler?