Author: bobby palacios
Date: 16:26:26 01/26/03
Go up one level in this thread
On January 26, 2003 at 19:19:01, Dieter Buerssner wrote:
>When I read this, Yace eval is rather depressing. Over one hour needed to find
>Rd2 on P4. 2.53 GHz.
>
> 318256147 8:48.0 0.06 19t 37...Ba3 38. Re1 Ke6 39. Kh3 a4 40. Rb1 Rd4 41.
> Kg2 Bc5 42. Rc1 a3 {HT} {10}
> 472596728 13:03.1 0.07 19t+ 37...fxg3 38. Kxg3 Rd2 39. Nxd2 exd2 40. Rd1
> Be3 41. Kh3 Kd4 42. a4 Kc3 43. Kg2
> 808997753 22:25.0 0.44 19t 37...fxg3 38. Re1 Rd2 39. Nxd2 exd2 40. Rd1
> Be3H 41. a4H {HT}
> 839299982 23:16.2 0.44 19. 37...fxg3 38. Re1 Rd2 39. Nxd2 exd2 40. Rd1 Be3
> 41. a4
>1554231297 42:51.7 0.84 20++ 37...fxg3 38. Re1 Rd2 39. Nxd2 exd2 40. Rd1 Be3
> 41. a4
>2888568380 1:19:49 0.85 20t 37...fxg3 38. Rc3 Kf4 39. Nxg3 Rd2H 40. Ne4H
> Rxe2+H 41. Kf1H Kxf3H 42. Nxc5H Rd2H 43. Rc1H
> g4H 44. Kg1H Rg2+H 45. Kh1H Rxa2H 46. Nd3H Rd2H
> {HT} {-100}
>3051178477 1:24:15 0.86 20t+ 37...Rd2 38. Nxd2 exd2 39. Rd1 Be3 40. gxf4+
> gxf4 41. a4 Kd4 42. Kh3 Kc3 43. Kg2
>3289700218 1:30:46 1.84 20++ 37...Rd2 38. Nxd2 exd2 39. Rd1 Be3 40. gxf4+
> gxf4 41. a4 Kd4 42. Kh3 Kc3 43. Kg2
>3291273511 1:30:48 1.84 20t 37...Rd2 38. Nxd2 exd2 39. Rd1H Be3H {HT}
>3295184210 1:30:55 1.84 20. 37...Rd2 38. Nxd2 exd2 39. Rd1 Be3
>3662020845 1:40:50 2.24 21++ 37...Rd2 38. Nxd2 exd2 39. Rd1 Be3 40. gxf4+
> gxf4 41. a3 Kd4 42. Kh3 Kc3 43. c5
>
>Regards,
>Dieter
This is rather surprising, I thought Rd2 was a fairly easy move to find. Until
I saw many top commercial engines having trouble with it, except for Chess Tiger
14. What is the reason for this?
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