Author: Richard Pijl
Date: 06:53:00 06/21/04
Go up one level in this thread
On June 21, 2004 at 09:02:50, Frederic Louguet wrote:
>As always, the semi-rapid Massy tournament was very friendly and interesting.
>And it was a real pleasure to see you again Christophe !
>
>Now the positions :
>
>The first one is from the game Chess Tiger - Chess Wizard.
>
>[D] 8/6k1/3R4/7p/6p1/5r2/7K/8 b
It takes the Baron (with 5-men EGTB on a Xeon 2.8) just over 1 minute to switch
from the drawn h5 to Rc3 and just over two minutes to switch to the best Rf6.
(according to Vincent's post below).
>
>Black could not win this position. I suppose it is winnable but I would
>appreciate an answer from those who have 6-men EGTBs.
>
>Here is the game :
>
>[Event "Computer chess game"]
>[Site "Massy"]
>[Date "2004.06.20"]
>[Round "4"]
>[White "Chess Tiger"]
>[Black "ChessWizard"]
>[Result "1/2-1/2"]
>[TimeControl "1200"]
>
>1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. c3 d5 6. e5 Qd8 7. b4 Be7 8.
>Nd2 O-O 9. Nb3 f6 10. Nf3 Nd7 11. exf6 Bxf6 12. Be2 e5 13. dxe5 Nxe5 14.
>Nfd4 a5 15. bxa5 Qe7 16. O-O c5 17. Nc2 c4 18. Nbd4 Rxa5 19. Rb1 Nc6 20.
>Rb5 Nxd4 21. Nxd4 Rxb5 22. Nxb5 Qc5 23. a4 Rd8 24. Bg4 Bxg4 25. Qxg4 d4 26.
>cxd4 Bxd4 27. Nxd4 Rxd4 28. Qg6 Qd5 29. Re1 Rd1 30. Qe8+ Kh7 31. f3 Rd2 32.
>Qe3 Ra2 33. Qe4+ Qxe4 34. fxe4 Rxa4 35. Kf2 Ra2+ 36. Kf3 Ra3+ 37. Kf4 b5
>38. e5 c3 39. e6 Ra8 40. Ke3 Kg6 41. Kd3 Rc8 42. Kc2 Kf6 43. e7 Kf7 44. Re5
>b4 45. Re4 Rb8 46. e8=Q+ Rxe8 47. Rxb4 Re2+ 48. Kxc3 Rxg2 49. Kd3 Rxh2 50.
>Ke3 Rh3+ 51. Kf2 g5 52. Rb6 g4 53. Kg2 h5 54. Rh6 Kg7 55. Rd6 Rf3 56. Kh2
>Re3 57. Ra6 Rh3+ 58. Kg2 Rc3 59. Rb6 Rf3 60. Kh2 Rh3+ 61. Kg2 Rd3 62. Ra6
>h4 63. Ra4 Rg3+ 64. Kh2 Kf6 65. Ra6+ Kf5 66. Ra5+ Kf4 67. Ra4+ Ke5 68. Ra5+
>Kd4 69. Ra4+ Kc5 70. Rf4 Kd5 71. Ra4 Kc6 72. Rd4 Kb6 73. Rc4 Kb7 1/2-1/2
>
>
>The second position occured in the game The Crazy Bishop - Chess Wizard. Black
>played 25..Nxg2. Is it the best move ? What do other programs play ?
>
>[D] 2q1r1k1/3bbpp1/3p1n1p/2p5/p3PP2/P2Rn2P/N1P1B1P1/NQ2B1K1 b
The Baron likes 25..Qb8 best, selected after 23 seconds on a Xeon 2.8:
ply time nodes score pv
5( 7)& 0:00.05 13540 +0.62 Ne3-c4 Rd3-c3 Nc4-a5 Rc3-e3 Qc8-b7
5( 9). 0:00.09 23072 +0.62 Ne3-c4 Rd3-c3 Nc4-a5 Rc3-e3 Qc8-b7
6( 8)& 0:00.13 33486 +0.53 Ne3-c4 Rd3-c3 Nc4-a5 Rc3-e3 Be7-d8 c2-c3
6(12). 0:00.27 71630 +0.53 Ne3-c4 Rd3-c3 Nc4-a5 Rc3-e3 Be7-d8 c2-c3
7(11)& 0:00.72 187636 +0.78 Ne3-c4 Rd3-g3 Qc8-a6 Na2-c3 Be7-d8 Qb1-b8
Bd7-e6
7(14). 0:00.94 247695 +0.78 Ne3-c4 Rd3-g3 Qc8-a6 Na2-c3 Be7-d8 Qb1-b8
Bd7-e6
8(13)& 0:01.78 463270 +0.76 Ne3-c4 Rd3-g3 Qc8-a6 Na2-c3 Bd7-e6 f4-f5
Be6-d7 Be1-f2
8(14). 0:02.59 692720 +0.76 Ne3-c4 Rd3-g3 Qc8-a6 Na2-c3 Bd7-e6 f4-f5
Be6-d7 Be1-f2
9(16)- 0:07.39 1914726 +0.41 Ne3-c4 (Rd3-g3) (Nf6xe4) (Be2xc4) (Ne4xg3)
(Be1xg3)
(Be7-f6) (c2-c3) (g7-g5)
9(16)& 0:08.45 2210563 +0.35 Ne3-c4 Rd3-g3 Nf6xe4 Be2xc4 Ne4xg3 Be1xg3
Qc8-c6 Na2-c3 Bd7-e6 Bc4xe6
9(16). 0:09.55 2521691 +0.35 Ne3-c4 Rd3-g3 Nf6xe4 Be2xc4 Ne4xg3 Be1xg3
Qc8-c6 Na2-c3 Bd7-e6 Bc4xe6
10(18)> 0:23.45 6284769 +0.02 Qc8-b8
10(18)& 0:24.47 6616287 +0.14 Qc8-b8 Qb1xb8 Re8xb8 Rd3xe3 Rb8-b1 Be2-c4
Rb1xa1 f4-f5 Bd7-c6 e4-e5 Nf6-d5
10(18). 0:40.89 10782901 +0.14 Qc8-b8 Qb1xb8 Re8xb8 Rd3xe3 Rb8-b1 Be2-c4
Rb1xa1 f4-f5 Bd7-c6 e4-e5 Nf6-d5
11(20)& 0:49.09 13238496 +0.25 Qc8-b8 Qb1xb8 Re8xb8 Rd3xe3 Rb8-b1 Be2-c4
Rb1xa1 f4-f5 Bd7-c6 e4-e5 Nf6-e4 e5-e6
11(20). 1:26.05 23041886 +0.25 Qc8-b8 Qb1xb8 Re8xb8 Rd3xe3 Rb8-b1 Be2-c4
Rb1xa1 f4-f5 Bd7-c6 e4-e5 Nf6-e4 e5-e6
12(20)& 1:54.50 31347614 +0.37 Qc8-b8 Qb1xb8 Re8xb8 Rd3xe3 Rb8-b1 Be2-c4
Rb1xa1 f4-f5 Bd7-c6 e4-e5 Nf6-d5 Re3-e4
Ra1-b1
12(22). 3:23.72 53656403 +0.37 Qc8-b8 Qb1xb8 Re8xb8 Rd3xe3 Rb8-b1 Be2-c4
Rb1xa1 f4-f5 Bd7-c6 e4-e5 Nf6-d5 Re3-e4
Ra1-b1
13(22)& 4:54.35 78836315 +0.70 Qc8-b8 Qb1xb8 Re8xb8 Rd3xe3 Rb8-b1 Be2-c4
Rb1xa1 f4-f5 Bd7-c6 Re3-e2 Bc6xe4 Na2-c3
d6-d5 Bc4xd5
13(24). 8:19.63 132093326 +0.70 Qc8-b8 Qb1xb8 Re8xb8 Rd3xe3 Rb8-b1 Be2-c4
Rb1xa1 f4-f5 Bd7-c6 Re3-e2 Bc6xe4 Na2-c3
d6-d5 Bc4xd5
14(24)& 12:16.75 200159102 +0.77 Qc8-b8 Qb1xb8 Re8xb8 Na2-c3 Ne3-c4 e4-e5
Nf6-e8 Rd3-f3 Nc4-b6 Be1-f2 Bd7-c6 Rf3-e3
Ne8-c7 e5xd6 Be7xd6 Bf2-g3
Richard.
>
>The game :
>
>[Event "Computer chess game"]
>[Site "Massy"]
>[Date "2004.06.20"]
>[Round "6"]
>[White "TCB"]
>[Black "ChessWizard"]
>[Result "0-1"]
>[TimeControl "1200"]
>
>1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 O-O 7. O-O a6
>8. Bf4 Re8 9. Qd2 Bd7 10. Rfd1 Nc6 11. Qc1 b5 12. a3 Qc8 13. Be3 h6 14. Rb1
>Rb8 15. f3 Ne5 16. Bf2 c6 17. f4 Neg4 18. Be1 c5 19. Nb3 a5 20. h3 a4 21.
>Na1 b4 22. Na2 bxa3 23. bxa3 Rxb1 24. Qxb1 Ne3 25. Rd3 Nxg2 26. Kxg2 Nxe4
>27. Bf1 c4 28. Re3 Bc6 29. Kg1 Qf5 30. Qb6 Qxf4 31. Bg2 Bd8 32. Qa7 Bf6 33.
>c3 Be5 34. Re2 Re6 35. Bh4 Qh2+ 36. Kf1 Ng3+ 37. Ke1 Nxe2 38. Qb8+ Re8 39.
>Qxe8+ Bxe8 40. Nc2 Qxg2 41. Ne3 Qf3 42. Kd2 Bf4 43. Bf2 Qxf2 44. Kd1 Qxe3
>45. Kc2 Nxc3 46. h4 Qd2# 0-1
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