Search found 3422 matches

by beachknight
Mon Jan 27, 2014 6:41 pm
Forum: Computer Chess Club: General Topics
Topic: Wrong color Bishop, test position
Replies: 7
Views: 932

Re: Wrong color Bishop, test position

21: B7/8/3kn2p/P7/2K2pp1/8/6PP/8 w - - 0 1 Analysis by Crafty 23.05 x64 1cpu: 43.Bb7 Ng5 44.Kd4 Ne6+ 45.Kc3 Nc5 46.a6 f3 47.gxf3 Nxa6 48.fxg4 Nc5 49.Bg2 Ke5 50.h3 Ne6 51.Ba8 Nf4 52.h4 Ng6 53.g5 +/- (1.12) Depth: 20/37 00:03:06 332MN, tb=131760 (Chess Engines Testing, 27.01.2014) 21: B7/8/3kn2p/P7/2K...
by beachknight
Mon Jan 27, 2014 6:30 pm
Forum: Computer Chess Club: General Topics
Topic: Wrong color Bishop, test position
Replies: 7
Views: 932

Re: Wrong color Bishop, test position

Quick analysis of the position with Crafty 23.01 CB: 21: B7/8/3kn2p/P7/2K2pp1/8/6PP/8 w - - 0 1 Analysis by Crafty 23.01 3cpu: 43.a6 Nc7 44.Bb7 f3 45.gxf3 Nxa6 46.fxg4 Nc5 47.Bd5 Nd7 48.Kd4 Nf6 49.Bf3 Nxg4 50.Bxg4 h5 51.Bxh5 Ke6 52.h4 Kf6 +/- (1.42) Depth: 20/36 00:00:15 67062kN (Chess Engines Testi...
by beachknight
Mon Jan 27, 2014 5:41 pm
Forum: Computer Chess Club: General Topics
Topic: test position. who is right the GM or the computer?
Replies: 7
Views: 1272

Re: test position. who is right the GM or the computer?

After 30. ... Qd7, no exchange is in sight so far: 20: 5rk1/3q2b1/1rbp2p1/2p1p2p/2PnPp2/R2Q1N1P/P1B2PP1/2B1R1K1 w - - 0 1 Analysis by Stockfish PA_GTB DD 64: 2.Bd2 Rbb8 3.Rb1 Nxc2 4.Qxc2 Rxb1+ 5.Qxb1 Bf6 6.Ra6 Ra8 7.Rxa8+ Bxa8 8.h4 Kf7 9.Ng5+ Bxg5 10.hxg5 Qb7 11.Qxb7+ Bxb7 12.f3 Ba6 13.a4 Bxc4 14.Kf...
by beachknight
Mon Jan 27, 2014 5:31 pm
Forum: Computer Chess Club: General Topics
Topic: test position. who is right the GM or the computer?
Replies: 7
Views: 1272

Re: test position. who is right the GM or the computer?

At depth 46, latest SF (without egtbs, I suppose) still favours Bf6.
Best,
by beachknight
Mon Jan 27, 2014 5:28 pm
Forum: Computer Chess Club: General Topics
Topic: test position. who is right the GM or the computer?
Replies: 7
Views: 1272

Re: test position. who is right the GM or the computer?

Quick analysis of the position with SF GTB DD:

20:
5rk1/2q3b1/1rbp2p1/2p1p2p/2PnPp2/R2Q1N1P/P1B2PP1/2B1R1K1 b - - 0 1

Analysis by Stockfish PA_GTB DD 64 3cpu:

1...Bf6 2.Bd2 Nxc2 3.Qxc2 Be7 4.Qd3
-/+ (-1.17 ++) Depth: 33/51 00:14:09 1902MN
(Chess Engines Testing, 27.01.2014)
by beachknight
Mon Jan 27, 2014 5:04 pm
Forum: Computer Chess Club: General Topics
Topic: test position: Rookie-Arasan
Replies: 17
Views: 2170

Re: test position: Rookie-Arasan

from the blitz event today after CCT-16: [D] 8/8/1p3kp1/p1pP1r1p/P1P5/1P2R1P1/4K3/8 b - - bm Kf7. Re5 is wrong: many engines think it is a draw, at least at first, but it is not. Stockfish 4 got the right idea here after about a minute on my quad. --Jon Latest Stockfish suggests that Kf7 draws: inf...
by beachknight
Mon Jan 27, 2014 3:07 am
Forum: Computer Chess Club: General Topics
Topic: test position: Rookie-Arasan
Replies: 17
Views: 2170

Re: test position: Rookie-Arasan

19: New game 8/8/1p3kp1/p1pP1r1p/P1P5/1P2R1P1/4K3/8 b - - 0 1 Analysis by Stockfish PA_GTB DD 64: 1...Kf7 2.Re6 Rf6 3.Re5 Rd6 4.Re4 g5 5.Ke3 Rf6 6.Re5 Kg6 7.Re8 Kg7 8.Ke2 Kf7 9.Rh8 Kg6 10.Ke3 Rf7 11.Rb8 Re7+ 12.Kf3 Rf7+ 13.Kg2 Rf6 14.Rh8 Rf7 15.Re8 Rf6 16.Re5 Rd6 17.Re7 Kf5 18.Rh7 Kg4 19.Rc7 Rf6 20....
by beachknight
Mon Jan 27, 2014 2:58 am
Forum: Computer Chess Club: General Topics
Topic: test position: Rookie-Arasan
Replies: 17
Views: 2170

Re: test position: Rookie-Arasan

19: New game 8/8/1p3kp1/p1pP1r1p/P1P5/1P2R1P1/4K3/8 b - - 0 1 Analysis by Stockfish PA_GTB DD 64: 1...Kf7 2.Re6 Rf6 3.Re5 Rd6 4.Re4 g5 5.Ke3 Rf6 6.Re5 Kg6 7.Re8 Kg7 8.Ke2 Kf7 9.Rh8 Kg6 10.Ke3 Rf7 11.Rb8 Re7+ 12.Kf3 Rf7+ 13.Kg2 Rf6 14.Rh8 Rf7 15.Re8 Rf6 16.Re5 Rd6 17.Re7 Kf5 18.Rh7 Kg4 19.Rc7 Rf6 20....
by beachknight
Mon Jan 27, 2014 2:51 am
Forum: Computer Chess Club: General Topics
Topic: test position: Rookie-Arasan
Replies: 17
Views: 2170

Re: test position: Rookie-Arasan

19: New game 8/8/1p3kp1/p1pP1r1p/P1P5/1P2R1P1/4K3/8 b - - 0 1 Analysis by Stockfish PA_GTB DD 64: 1...Kf7 2.Re6 Rf6 3.Re5 Rd6 4.Re4 g5 5.Ke3 Rf6 6.Re5 Kg6 7.Re8 Kg7 8.Kd3 Rf1 +/= (0.62 ++) Depth: 46/70 00:19:16 3580MN, tb=61693 (Chess Engines Testing, 27.01.2014) 19: New game 8/8/1p3kp1/p1pP1r1p/P1P...
by beachknight
Mon Jan 27, 2014 2:43 am
Forum: Computer Chess Club: General Topics
Topic: test position: Rookie-Arasan
Replies: 17
Views: 2170

Re: test position: Rookie-Arasan

19: New game 8/8/1p3kp1/p1pP1r1p/P1P5/1P2R1P1/4K3/8 b - - 0 1 Analysis by Stockfish PA_GTB DD 64: 1...Kf7 2.Re6 Rf6 3.Re5 Rd6 4.Re4 g5 5.Ke3 Rf6 6.Re5 Kg6 7.Re8 Kg7 8.Kd3 Rf3+ 9.Ke2 Rf6 10.Ke3 Rf1 11.Re7+ Kg6 12.Re6+ Kf5 13.Rxb6 g4 14.Rh6 Rf3+ 15.Ke2 Rxb3 16.Rxh5+ Kf6 17.Rh6+ Ke5 18.Re6+ Kd4 19.d6 R...