Author: Robert Hyatt
Date: 19:56:44 01/05/99
Go up one level in this thread
On January 05, 1999 at 21:49:10, Albert Silver wrote:
>This game was played today:
>
>Of note (apart from Morozevitch's monstrous 8/9 - lad has a knack for monstrous
>scores doesn't he?) were a couple of moves. How many computers see that
>44...Qxc3 would lose (and how long does it take them to see it)? And how long
>does it take them to see the winning 45.h5!
question 1: a fraction of a second. (!) depth time score
variation (1)
starting thread 1
starting thread 2
starting thread 3
1 0.00 0.98 44. ... Qxc3
1-> 0.00 0.98 44. ... Qxc3
2 0.00 -- 44. ... Qxc3
2 0.00 0.23 44. ... Qxc3 45. Qg5+ Ke6 46. g4
2-> 0.01 0.23 44. ... Qxc3 45. Qg5+ Ke6 46. g4
3 0.02 0.32 44. ... Qxc3 45. Qg5+ Ke6 46. Qh6+
Kf5 47. g3
3-> 0.02 0.32 44. ... Qxc3 45. Qg5+ Ke6 46. Qh6+
Kf5 47. g3
4 0.03 0.38 44. ... Qxc3 45. Qd1 d4 46. g4
4-> 0.04 0.38 44. ... Qxc3 45. Qd1 d4 46. g4
5 0.05 0.37 44. ... Qxc3 45. g3 Qd2+ 46. Kh3 e4
47. Qd7
5-> 0.07 0.37 44. ... Qxc3 45. g3 Qd2+ 46. Kh3 e4
47. Qd7
6 0.08 -- 44. ... Qxc3
6 0.11 -0.09 44. ... Qxc3 45. Qf3+ Qxf3 46. gxf3
d4 47. a5 d3 48. a6 d2 49. a7 d1=Q
50. a8=Q Qd4
6-> 0.16 -0.09 44. ... Qxc3 45. Qf3+ Qxf3 46. gxf3
d4 47. a5 d3 48. a6 d2 49. a7 d1=Q
50. a8=Q Qd4
7 0.20 -0.20 44. ... Qxc3 45. Qf3+ Qxf3 46. gxf3
d4 47. a5 d3 48. a6 d2 49. a7 d1=Q
50. a8=Q Qe2+ 51. Kg3 Kf5
7-> 0.30 -0.20 44. ... Qxc3 45. Qf3+ Qxf3 46. gxf3
d4 47. a5 d3 48. a6 d2 49. a7 d1=Q
50. a8=Q Qe2+ 51. Kg3 Kf5
8 0.53 -0.21 44. ... Qxc3 45. Qf3+ Qxf3 46. gxf3
d4 47. a5 d3 48. a6 d2 49. a7 d1=Q
50. a8=Q Qd2+ 51. Kh3 Qd7+ 52. Kg3
Kf5
8-> 0.78 -0.21 44. ... Qxc3 45. Qf3+ Qxf3 46. gxf3
d4 47. a5 d3 48. a6 d2 49. a7 d1=Q
50. a8=Q Qd2+ 51. Kh3 Qd7+ 52. Kg3
Kf5
9 0.90 -- 44. ... Qxc3
9 1.65 -1.52 44. ... Qxc3 45. Qf3+ Qxf3 46. gxf3
d4 47. Kg1 d3 48. Kf2 Ke7 49. Ke3 e4
50. fxe4
9 2.56 -1.15 44. ... e4 45. Qg3 Qd1 46. Qd6+ Kf5
47. Qd7+ Kg6 48. c4 Qh5 49. Qc6+ Kg7
50. cxd5 Qxh4+
9 4.09 ++ 44. ... Ke7!!
9-> 8.44 -0.76 44. ... Ke7
10 12.47 -0.70 44. ... Ke7 45. Qg3 Qe4 46. a5 Ke6
47. a6 Qa4 48. Qd3 e4 49. Qe2 Qd7
10-> 15.58 -0.70 44. ... Ke7 45. Qg3 Qe4 46. a5 Ke6
47. a6 Qa4 48. Qd3 e4 49. Qe2 Qd7
11 26.76 -- 44. ... Ke7
11 41.48 -1.38 44. ... Ke7 45. h5 Qf2 46. h6 Qf6 47.
Qb4+ Kd7 48. Qb7+ Ke8 49. Kg1 Qxh6
50. Qc8+ Ke7 51. Qc7+ Kf8 52. Qxe5
Qd2
11-> 1:13 -1.38 44. ... Ke7 45. h5 Qf2 46. h6 Qf6 47.
Qb4+ Kd7 48. Qb7+ Ke8 49. Kg1 Qxh6
50. Qc8+ Ke7 51. Qc7+ Kf8 52. Qxe5
Qd2
question 2:
It takes 42 seconds on my quad xeon to decide that h5 is best. I didn't have
time to let it produce the PV, as someone kicked off a game on ICC.
9-> 6.21 0.87 45. Qg3
10 7.93 0.77 45. Qg3 Qe2 46. Kh3 Kd6 47. Qf3 Qxf3+
48. gxf3 d4 49. cxd4 exd4 50. Kg3 d3
51. Kf2 d2
10-> 17.57 0.77 45. Qg3 Qe2 46. Kh3 Kd6 47. Qf3 Qxf3+
48. gxf3 d4 49. cxd4 exd4 50. Kg3 d3
51. Kf2 d2
11 19.20 0.87 45. Qg3 Qe2 46. Kh3 Kd6 47. Qf3 Qxf3+
48. gxf3 d4 49. cxd4 exd4 50. Kg3 d3
51. Kf2 d2 52. Ke2
11 42.16 ++ 45. h5!!
Bob
>
>[Event "Pamplona, 1998"]
>[Site "Pamplona"]
>[Date "1999.01.05"]
>[Round "9"]
>[White "Morozevich, A."]
>[Black "Van Welly, L."]
>[Result "1-0"]
>[ECO "B90"]
>[WhiteElo "2625"]
>[BlackElo "2635"]
>[PlyCount "101"]
>[EventDate "1998.12.27"]
>
>1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3
>Nbd7 9. Qd2 h5 10. a4 Be7 11. Be2 Nb6 12. O-O Nc4 13. Bxc4 Bxc4 14. Rfd1 O-O
>15. Bg5 Bxb3 16. Bxf6 Bxf6 17. cxb3 Qb6+ 18. Kh1 Qxb3 19. Nd5 Rfc8 20. Nxf6+
>gxf6 21. Qh6 Qe6 22. Rd2 Rc6 23. Rg1 f5 24. Qxh5 fxe4 25. fxe4 Qg6 26. Qh4 Kg7
>27. Rd3 Rh8 28. Qe7 { } 28... Rh6 29. Rf1 Qe6 30. Qxb7 Rf6 31. Rg3+ Kf8 32. Rg1
>Qc8 33. Qb3 Rc1 34. Rc3 Rxc3 35. bxc3 Qc6 36. Qb4 Rf4 37. Re1 Kg7 38. h3 a5 39.
>Qxa5 Rxe4 40. Rxe4 Qxe4 41. Qb4 Qe1+ 42. Kh2 d5 43. Qg4+ Kf6 44. h4 Ke7 45. h5
>Qxc3 46. h6 e4 47. Qg7 Qe3 48. Qe5+ Kd7 49. Qxd5+ Ke7 50. Qe5+ Kd7 51. Qf6 1-0
>
> Albert Silver
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