Author: Robert Hyatt
Date: 16:16:24 12/02/02
Go up one level in this thread
On December 02, 2002 at 18:29:36, Luis Smith wrote:
>[d] 1r4k1/p1r5/6P1/P1n5/4p3/2q1N2Q/6P1/3B1RK1 w - - 0 41
>wKg1,Qh3,Ne3,Bd1,Rf1,Pa5,g2,g6/bKg8,Qc3,Nc5,Rb8,c7,Pa7,e4
>
>Sorry guys still trying to get the hang of this... in this position how long
>does it take for your program to find Be2 and give it a good eval?
>
>On a P III 1 ghz this is Aristarch after about 2:30 seconds
>
>Aristarch 4.6 - Crafty 19.01
>1r4k1/p1r5/6P1/P1n5/4p3/2q1N2Q/6P1/3B1RK1 w - - 0 1
>
>Analysis by Aristarch 4.6:
>
>41.g4 Qg7
> ³ (-0.42) Depth: 2/3 00:00:02
>41.g4 Qg7
> µ (-0.78) Depth: 2/3 00:00:02
>41.a6 Nxa6
> µ (-0.77) Depth: 2/3 00:00:02
>41.a6 Nxa6
> ³ (-0.57) Depth: 2/3 00:00:02
>41.a6 Qg7
> ³ (-0.27) Depth: 2/3 00:00:02
>41.Nf5 Qxa5
> ³ (-0.26) Depth: 2/4 00:00:02
>41.Nf5 Qxh3
> = (-0.17) Depth: 2/4 00:00:03
>41.Nd5 Qxa5
> = (-0.16) Depth: 2/4 00:00:03
>41.Nd5 Qxh3
> = (-0.15) Depth: 2/4 00:00:03
>41.Bg4 Qxa5
> = (-0.14) Depth: 2/6 00:00:03
>41.Bg4 Qg7
> = (-0.04) Depth: 2/6 00:00:03
>41.Bg4 Qg7 42.Nd5
> = (0.13) Depth: 3/6 00:00:03
>41.Be2 Qg7 42.Bc4+ Ne6
> = (0.14) Depth: 3/8 00:00:03
>41.Be2 Qg7 42.Bc4+ Ne6
> ² (0.34) Depth: 3/8 00:00:03
>41.Be2 Qxa5 42.Bg4
> ² (0.36) Depth: 3/8 00:00:03
>41.Be2 Qxa5 42.Bc4+ Kg7 43.Qh7#
> ± (0.78) Depth: 4/11 00:00:03
>41.Be2 Rb4 42.Bc4+ Rxc4 43.Nxc4
> ± (0.78) Depth: 4/11 00:00:03
>41.Be2 Rb4 42.Kh1 Rb2 43.Nd5
> ± (0.78) Depth: 5/12 00:00:03
>41.Be2 Rb4 42.a6 Qd4 43.Qh6 Nd3
> ² (0.60) Depth: 6/17 00:00:03 80kN
>41.Be2 Rb4 42.Kh1 Ra4 43.Bb5 Rxa5 44.Be8
> ± (0.81) Depth: 7/19 00:00:04 236kN
>41.Be2 Rb4 42.Kh1 Ra4 43.a6 Rd4 44.Rf8+ Kxf8 45.Qh8+ Ke7 46.Nf5+ Kd7
> ± (0.89) Depth: 8/21 00:00:05 673kN
>41.Be2 Rb4 42.Kh1 Ra4 43.Qf5 Qh8+ 44.Bh5 Qg7 45.Qd5+ Kh8 46.Qd8+ Qg8
> ± (1.18) Depth: 9/23 00:00:10 2107kN
>41.Be2 Rb4 42.Kh1 Ra4 43.Qf5 Qh8+ 44.Bh5 Qh6 45.Nd5 Rxa5 46.Nxc7
> +- (1.60) Depth: 10/26 00:00:16 4354kN
>41.Be2 Rb4 42.Kh1 Rd7 43.Bg4 Rdb7 44.Be6+ Nxe6 45.Qxe6+ Kg7
> +- (2.42) Depth: 10/26 00:00:26 7870kN
>41.Be2 Rb4 42.Kh1 Rd7 43.Qf5 Kg7 44.Nd5 Rxd5
> +- (2.84) Depth: 11/29 00:00:43 14957kN
>41.Be2 Rb4 42.Bc4+ Rxc4
> +- (2.84) Depth: 11/29 00:00:50 18281kN
>41.Be2 Rb4 42.Kh1
> +- (3.26) Depth: 12/31 00:02:34 58798kN
Crafty sees this getting better and better very quickly, as will most any
program I
suspect:
5-> 0.10 -1.06 1. Be2 Rb4 2. Nf5 Nd3 3. Bh5
6 0.13 ++ 1. Be2!!
6-> 0.24 -0.67 1. Be2 Rb4 2. Nf5 Nd3 3. Bh5
7 0.35 -0.66 1. Be2 Rb4 2. Kh1 Qb3 3. Qf5 Ne6 4.
Nd5
7-> 0.78 -0.66 1. Be2 Rb4 2. Kh1 Qb3 3. Qf5 Ne6 4.
Nd5 (s=4)
8 0.98 ++ 1. Be2!!
8 2.21 -0.04 1. Be2 Rb4 2. Qh6 Qg7 3. Qxg7+ Rxg7
4. Bc4+ Rxc4 5. Nxc4 Rxg6 (s=3)
8-> 3.52 -0.04 1. Be2 Rb4 2. Qh6 Qg7 3. Qxg7+ Rxg7
4. Bc4+ Rxc4 5. Nxc4 Rxg6 (s=2)
9 4.48 0.26 1. Be2 Rb4 2. Qh6 Qg7 3. Qxg7+ Rxg7
4. Bc4+ Rxc4 5. Nxc4 Rxg6 6. Kf2
9-> 6.90 0.26 1. Be2 Rb4 2. Qh6 Qg7 3. Qxg7+ Rxg7
4. Bc4+ Rxc4 5. Nxc4 Rxg6 6. Kf2 (s=2)
10 9.30 0.57 1. Be2 Rb4 2. Qh6 Qg7 3. Qxg7+ Kxg7
4. Nd5 Rb2 5. Nxc7 Rxe2 6. Rf5
10-> 16.03 0.57 1. Be2 Rb4 2. Qh6 Qg7 3. Qxg7+ Kxg7
4. Nd5 Rb2 5. Nxc7 Rxe2 6. Rf5 (s=3)
11 26.14 ++ 1. Be2!!
11 2:25 2.51 1. Be2 Rb4 2. Kh1 Rd4 3. Rb1 Nb7 4.
Qe6+ Kh8 5. Qe8+ Kg7 6. Nf5+ Kf6 7.
g7 Rd8 8. Qxd8+ Nxd8 9. g8=Q Kxf5 10.
Qxd8 Qxa5 (s=2)
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