Search found 133 matches

by Dan Astrachan
Tue Jun 26, 2012 9:04 pm
Forum: Computer Chess Club: General Topics
Topic: The best move
Replies: 26
Views: 4427

Re: The best move

[d] 2r1q1k1/r4p1p/b3pBp1/n3P1QP/p2p3R/P2p2PB/2P2P2/R5K1 w - - 2 29 I wonder how long it would take an engine to find Bg4!! here? :wink: [d] FEN: 2r1q1k1/r4p1p/b3pBp1/n3P1QP/p2p3R/P2p2PB/2P2P2/R5K1 w - - 2 29 Intel Core i7 875K processor (4 cores), 12 Gb of RAM, 2 Gb hash: IvanHoe999946h: 19+ 00:13 ...
by Dan Astrachan
Tue Jun 26, 2012 7:32 pm
Forum: Computer Chess Club: General Topics
Topic: The best move
Replies: 26
Views: 4427

Re: The best move

[d] r1r1q1k1/5p1p/b3pBp1/n3P1Q1/p1ppR2P/P2P2PB/2P2P2/R5K1 w - - 0 27 Intel Core i7 875K processor (4 cores), 12 Gb of RAM, 2 Gb hash: IvanHoe999946h: 26 14:16 9 567 744 584 11 175 000 +3,75 Re4xd4 Rc8-c7 h4-h5 c4xd3 c2xd3 Na5-b3 h5xg6 f7xg6 Rd4-d6 Ba6-b7 Bh3xe6+ Qe8xe6 Rd6xe6 Nb3-d4 Re6-e7 Rc7xe7 Kg...
by Dan Astrachan
Mon Feb 27, 2012 12:42 pm
Forum: Computer Chess Club: General Topics
Topic: Test position
Replies: 5
Views: 1064

Re: Test position

FEN: 5rk1/4b1p1/2p5/1p2p2r/p2pP3/PP1PnNPp/2PB1R1P/1R4K1 b - - 0 28 Ivanhoe 46h x64 Analysis: 16 00:04 6 278 960 1 572 000 +0,37 Ne3-g4 Rf2-f1 Rf8-a8 b3-b4 Ra8-f8 Rb1-c1 c6-c5 b4xc5 Be7xc5 Rc1-b1 Ng4-e3 Rf1-f2 Bc5xa3 Rb1xb5 Ne3-g4 Rf2-f1 Ba3-d6 Rb5-b6 Rf8-f6 Bd2-g5 Bd6-c7 Rb6-b7 16+ 00:05 7 708 224 1...
by Dan Astrachan
Mon Feb 20, 2012 4:16 pm
Forum: Computer Chess Club: General Topics
Topic: I bet...
Replies: 28
Views: 4910

Re: I bet...

Ivanhoe 46h x64 (black, without TB) found the mate against Critter 1.4 SSE4 x64 (white, with 5-piece Gaviota TB), 1024 Mb hash for both engines, 5s +0.1s increment. Here is the game after the starting position: 1.Kd5 Kd7 2.Ke4 Kd6 3.Kf3 Kd5 4.Kg2 Ke4 5.Kh3 Nc7 6.Kg3 Nd5 7.Kh2 Be7 8.Kg2 Nf4+ 9.Kh1 Bc...
by Dan Astrachan
Mon Feb 13, 2012 9:37 pm
Forum: Computer Chess Club: General Topics
Topic: test position: Jedrzejowski-Moreira, W-ch26 sf06 email
Replies: 4
Views: 837

Re: test position: Jedrzejowski-Moreira, W-ch26 sf06 email

FEN: r3r1k1/pp3pp1/2n2q1p/b1Pp1b2/Q7/P1N1P3/1P2NPPP/3RKB1R b K - 0 1 RobboLito 0.10 SMP x64 (2Gb hash): 1 00:00 1 0 +0,28 Ba5xc3+ b2xc3 Bf5-e4 Qa4-b3 Ra8-c8 Ne2-g3 Qf6-e7 Ng3xe4 d5xe4 Rd1-d6 Re8-d8 Bf1-c4 Nc6-a5 Qb3-b4 Na5xc4 Rd6xd8+ Rc8xd8 Qb4xc4 Rd8-c8 O-O Rc8xc5 Qc4-d4 Rc5-a5 Qd4-b4 Qe7xb4 a3xb4 ...
by Dan Astrachan
Thu Feb 09, 2012 3:57 pm
Forum: Computer Chess Club: General Topics
Topic: How many engines can solve this puzzle white to move
Replies: 30
Views: 3437

Re: Two last positions to solve

[D]1nb3rr/2pp3p/p1k2P2/n1q1PN2/P1pR3N/b4PBp/1R2P3/1KQ5 w - - 1 1 Ivanhoe 46h x64 Analysis: 23 01:58 1 258 067 297 10 660 000 0,00 Nf5-e7+ Qc5xe7 f6xe7 Ba3xb2 Rd4xc4+ Na5xc4 Qc1xc4+ Kc6-b7 Bg3-h2 Bb2xe5 Bh2xe5 Nb8-c6 Qc4-b3+ Kb7-a8 Be5xc7 Rg8-g1+ Kb1-b2 Rh8-e8 Nh4-f5 Rg1-g2 Kb2-a3 Rg2xe2 Bc7-d6 Re2-e...
by Dan Astrachan
Wed Feb 01, 2012 8:55 pm
Forum: Computer Chess Club: General Topics
Topic: Best Move passed pawn theme
Replies: 3
Views: 759

Re: Best Move passed pawn theme

Very easy job for the latest Robbolito on my limited laptop: FEN: 5k2/r4p1p/PK4p1/8/8/Rp4P1/1P2b2P/8 b - - 0 1 RobboLito 0.10 SMP w32 : 19 00:05 4 828 460 1 028 000 +0,79 Ra7-d7 a6-a7 Be2-f3 a7-a8Q+ Bf3xa8 Ra3xa8+ Kf8-g7 Ra8-a3 Rd7-d2 Ra3xb3 Rd2xh2 Kb6-c5 h7-h5 Kc5-d4 g6-g5 Rb3-b5 Kg7-f6 Kd4-e3 Rh2-...
by Dan Astrachan
Fri Jan 13, 2012 2:19 pm
Forum: Computer Chess Club: General Topics
Topic: Test position: endgame Rook Sac
Replies: 2
Views: 443

Re: Test position: endgame Rook Sac

IvanHoe999946h: 22 00:04 32 134 800 8 765 000 -0,12 Re5xe6 Rc8xc5+ Kc4-d3 Rc5xh5 Re6xb6 Rh5-h2 Rb6-b5 Rh2xg2 Rb5xa5 Rg2xf2 b3-b4 h6-h5 b4-b5 Kf8-e7 Ra5-a7+ Ke7-d6 Ra7xg7 Rf2xa2 Rg7-h7 Ra2-h2 b5-b6 Kd6-c6 b6-b7 Rh2-b2 Rh7xh5 Kc6xb7 Rh5-h6 Rb2-f2 Kd3-e3 Rf2-f5 Rh6-h7+ Kb7-b6 Rh7-e7 Rf5-g5 22+ 00:05 44...
by Dan Astrachan
Fri Jan 13, 2012 1:46 pm
Forum: Computer Chess Club: General Topics
Topic: A pawn endgame, easy for SF hard for others
Replies: 15
Views: 2807

Re: A pawn endgame, easy for SF hard for others

[D] 6k1/p5p1/K6P/8/4p3/4p1p1/4P1P1/8 w - - Komodo 3 finds it instantly: Komodo3-64-sse: 21 00:00 1 908 185 3 395 149 +0,05 h6-h7+ Kg8xh7 Ka6xa7 Kh7-h6 Ka7-b6 g7-g6 Kb6-c5 Kh6-g5 Kc5-d5 Kg5-f5 Kd5-d4 g6-g5 Kd4-d5 g5-g4 Kd5-c4 Kf5-e5 Kc4-c5 Ke5-e6 Kc5-d4 Ke6-f5 Kd4-d5 Kf5-g5 Kd5xe4 Kg5-f6 Ke4-f4 Kf6-e...
by Dan Astrachan
Thu Jan 12, 2012 10:35 am
Forum: Computer Chess Club: General Topics
Topic: test position: Orcrist-crafty, ICC 2011
Replies: 9
Views: 1188

Re: test position: Orcrist-crafty, ICC 2011

IvanHoe999946h: 21 00:40 372 726 151 9 399 000 -0,28 Ne2xf4 d7-d5 Bc4-d3 O-O Nf4-h5 f7-f5 c3-c4 Nb8-a6 c2-c3 Na6-c7 Qd1-f3 Nc7-e6 c4xd5 Qd8xd5 Qf3xd5 c6xd5 Ra1-b1 g7-g6 Nh5-f4 Ne6-c7 Rf1-e1 Rf8-e8 c3-c4 22 00:42 394 450 117 9 427 000 -0,29 Ne2xf4 d7-d5 Bc4-d3 O-O Nf4-h5 f7-f5 c3-c4 Nb8-a6 c2-c3 Na6-...