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Subject: Re: Engine Test Position

Author: Eelco de Groot

Date: 03:10:32 08/10/05

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On August 10, 2005 at 05:20:20, Darrel Briley wrote:

>[D]r1b1kb1r/3n1p1p/1q3p2/4p3/1p1p4/3B1N2/PP2QPPP/R1BR2K1 w kq - 0 16
>
>From a game last night on ICC.  Shredder 9 played 16. Bc4 as first move out of
>book. Looking at it after the game it seems 16. Nxd4 is a shot.  Shredder took
>about seven and a half minutes to see it(AthlonXP 2600+ 512Mb hash).  How long
>do other engines take?
>
>complete score...
>
>[TimeControl "2700+15"]
>
>1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8.
>Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 axb5 12. exf6 Qb6 13. O-O gxf6 14. Qe2
>b4 15. Rd1 e5 16. Bc4 Be7 17. Nh4 Ba6 18. Qf3 Ra7 19. Bxa6 Rxa6 20. Bh6 Bf8
>21. Bxf8 Nxf8 22. Rac1 Qb8 23. Rc6 Qa8 24. Qxf6 Qxc6 25. Qxe5+ Qe6 26. Qxh8
>f6 27. Nf3 Kf7 28. h4 Rd6 29. Re1 Qxa2 30. h5 Re6 31. Rd1 Re4 32. Rc1 Qxb2
>33. Rc5 Qb1+ 34. Kh2 Re8 35. Rc7+ Re7 36. Rc8 Re8 37. Rxe8 Kxe8 38. Qxf6 Qe4
>39. Nxd4 Nd7 40. Qd6 Qe5+ 41. Qxe5+ Nxe5 42. Nb3 Nd3 43. Kg3 Ke7 44. f4 Kd6
>45. Kf3 Kd5 46. g4 Ne1+ 47. Kg3 Nc2 48. f5 Nd4 49. Nxd4 Kxd4 50. f6 b3 51.
>f7 b2 52. f8=Q b1=Q 53. Kh4 Kd5 54. Qf7+ Ke5 55. Qc7+ Kf6 56. Qf4+ Kg7 57.
>h6+ Kg6 58. Qg5+ Kf7 59. Qf5+ Qxf5 60. gxf5 Kf6 61. Kg4 Ke7 62. Kg3 Kf6
>{Game drawn by mutual agreement}
>1/2-1/2
>
>Odd play at end due to missing semicolon separating TB paths
>
>                                DB

15..e5 is clearly a big blunder. Pro Deo 1.1 Default needs little time to find
16.Nxd4, 36 seconds, but so does Shredder 9 UCI, 36 seconds on my Athlon 3200+,
100 Mb HT. Are you sure your set-up is right? 7 minutes to find it seems not
exactly right.

Regards, Eelco


Pro Deo 1.1 default 200 Mb HT

00:00:00.3	-0,82	4	9172	Bf4 Ba6 a4 bxa3ep bxa3
00:00:00.3	-0,78	4	10014	a4 bxa3ep bxa3 Bb4
00:00:00.3	-0,78	4	12037	Nd2 Bb7 a4 bxa3ep bxa3
00:00:00.3	-0,52	4	15457	Bf5 Be7 Qc4 Nc5
00:00:00.3	-0,58	5	40674	Bf5 Be7 Qc2 Nc5 Bxh7
00:00:00.3	-0,48	5	54165	Bb5 Qe6 Bc4 Qe7 Bd2
00:00:00.3	-0,39	5	68846	Bxh7 b3 Bb1 Ba6 Qe4
00:00:00.3	-0,66	6	95670	Bxh7 Nc5 Bd3 Nxd3 Rxd3 Ba6 Qe4
00:00:00.4	-0,57	6	134176	Bb5 Qe6 Bc4 Qe7 Bd2 Bb7
00:00:00.6	-0,64	7	348475	Bb5 Be7 Bh6 Ba6 Qe4 Rc8 Bg7
00:00:00.8	-0,51	7	514536	Bc4 Bc5 Qe4 Bb7 Qf5 Qd6 Bh6
00:00:00.9	-0,48	7	657466	Bd2 Qe6 Bc4 Qd6 Rac1 Bb7 Ne1
00:00:01.3	-0,57	8	972214	Bd2 Bb7 Bf5 Be7 Rdc1 Nc5 Qc4 Bxf3
00:00:02.2	-0,43	8	1883205	Bb5 Qe6 Bc4 Qe7 Qe4 Ra5 Bd2 Qd8
00:00:03.2	-0,54	9	3012178	Bb5 Qe6 Bc4 Qe7 Qe4 Ra7 Nd2 Bb7 Qg4
00:00:08.1	-0,49	10	8321477	Bb5 Be7 Bd2 Qd6 Qc4 Qe6 Qc7
00:00:12.8	-0,42	10	13427526	Bf5 Be7 Re1 Ba6 Qe4
00:00:29.0	-0,41	11	31854499	Bf5 Be7 Qe4 Ra5 Qg4 Bf8 Re1
00:00:35.8	-0,41	11	39706878	Nxd4
00:00:40.5	0,03	11	44668494	Nxd4 Qxd4 Be3 Qd5
00:01:35.2	0,71	12	103770043	Nxd4 Bb7 Nf5 Rg8




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