Author: Dann Corbit
Date: 15:10:03 01/04/02
Go up one level in this thread
On January 04, 2002 at 06:57:53, Uri Blass wrote:
>How much time do programs need to avoid 74.Nxb5
>Most programs need few seconds when
>Hiarcs7.32(48 Mbytes hash) needs almost 10 minutes on p800
>
>Shredder6 could not avoid Nxb5 even in 112 seconds
>based on the pgn of it's games against tiger aggresive.
>
>Shredder 6 - Gambit Tiger 2.0
>[D]8/5rbk/6q1/1p1Q4/1PpP2p1/2N2p2/5PP1/3R2K1 w - - 0 1
>
>Analysis by Hiarcs 7.32:
>
>74.Nxb5 fxg2 75.Kxg2
> +- (1.60) Depth: 1 00:00:00
>74.Nxb5 fxg2
> ± (1.23) Depth: 2/10 00:00:00
>74.Nxb5 fxg2 75.Qxg2
> ± (0.76) Depth: 2/10 00:00:00
>74.Nxb5 fxg2
> ± (1.01) Depth: 3/13 00:00:00
>74.Nxb5 fxg2
> ± (1.01) Depth: 3/14 00:00:00
>74.Nxb5 fxg2 75.Qxc4 Qf5 76.Rd2
> ± (1.07) Depth: 4/14 00:00:00
>74.Nxb5 fxg2
> ± (0.81) Depth: 5/16 00:00:00 8kN
>74.Nxb5 fxg2
> ± (0.81) Depth: 5/19 00:00:00 15kN
>74.Nxb5 Rf5
> ² (0.56) Depth: 6/21 00:00:00 74kN
>74.Nxb5 Rf5 75.Qd7 Rh5 76.Nd6
> = (-0.01) Depth: 6/23 00:00:01 100kN
>74.Nxb5 Rf5
> ³ (-0.26) Depth: 7/23 00:00:02 222kN
>74.Nxb5 Rf5 75.Qxc4 Qh5 76.Qc2 g3 77.gxf3 Qh2+
> ³ (-0.38) Depth: 7/25 00:00:02 279kN
>74.Nxb5 Rf5
> ³ (-0.63) Depth: 8/25 00:00:06 686kN
>74.Nxb5 Rf5
> ³ (-0.63) Depth: 8/27 00:00:08 837kN
>74.Nxb5 Rf5
> ³ (-0.38) Depth: 9/27 00:00:39 3940kN
>74.Nxb5 Rf5 75.Qxc4 Qh5 76.Qc2 g3 77.gxf3
> ³ (-0.38) Depth: 9/29 00:00:43 4378kN
>74.Nxb5 Rf5
> ³ (-0.63) Depth: 10/29 00:01:20 8215kN
>74.Nxb5 Rf5 75.Qxc4 Qh5 76.Qc7 g3 77.Qxg3 Rg5 78.Nc3 Rxg3 79.fxg3
> -+ (-1.59) Depth: 10/30 00:02:50 17774kN
>74.Re1 fxg2 75.Ne4 Rf5 76.Qb7 Kg8 77.Kxg2 Bxd4 78.Rd1 Bg7 79.Nd6 Rf3 80.Nxb5
> µ (-0.88) Depth: 10/30 00:09:45 59913kN
>74.Ne4 Rf5 75.Qd7 Rf4 76.Ng3 Qf7 77.Qxf7 Rxf7 78.Ne4 Rf4 79.Ng5+ Kg8 80.Ne6 Re4
>81.Nxg7 Kxg7
> ³ (-0.66) Depth: 10/30 00:15:51 94551kN
Pepito chooses g3, but that doesn't look so hot either.
Son correctas: Ne4
+----+----+----+----+----+----+----+----+
8 | | | | | | | | |
+----+----+----+----+----+----+----+----+
7 | | | | | | *R | *B | *K |
+----+----+----+----+----+----+----+----+
6 | | | | | | | *Q | |
+----+----+----+----+----+----+----+----+
5 | | *P | | Q | | | | |
+----+----+----+----+----+----+----+----+
4 | | P | *P | P | | | *P | |
+----+----+----+----+----+----+----+----+
3 | | | N | | | *P | | |
+----+----+----+----+----+----+----+----+
2 | | | | | | P | P | |
+----+----+----+----+----+----+----+----+
1 | | | | R | | | K | |
+----+----+----+----+----+----+----+----+
a b c d e f g h
5 106 98 15762 Nc3xb5 Qg6-c2 Nb5-c3 Rf7-f8 Qd5xc4 f3xg2
5 106 100 22393 Nc3xb5 Qg6-c2 Nb5-c3 Rf7-f8 Qd5xc4 f3xg2
6 73 111 63716 Nc3xb5 ?? Qg6-c2 Nb5-c3 Rf7-f8 Qd5xc4 f3xg2
6 74 116 82230 Nc3xb5 !!
6 77 118 89189 Nc3xb5 Qg6-c2 Rd1-f1 Rf7-f5 Qd5-c6 f3xg2 Kg1xg2
6 77 118 89223 Nc3xb5 Qg6-c2 Rd1-f1 Rf7-f5 Qd5-c6 f3xg2 Kg1xg2
7 64 131 130526 Nc3xb5 Qg6-c2 Qd5xf7 Qc2xd1 Kg1-h2 Qd1-e2 Qf7-f5 Kh7-h8
Qf5-c8 Kh8-h7 Qc8xg4 Qe2xf2 Qg4xf3 Bg7xd4
7 64 158 222212 Nc3xb5 Qg6-c2 Qd5xf7 Qc2xd1 Kg1-h2 Qd1-e2 Qf7-f5 Kh7-h8
Qf5-c8 Kh8-h7 Qc8xg4 Qe2xf2 Qg4xf3 Bg7xd4
8 54 268 601343 Nc3xb5 g3 g2xf3 Rf7-f5 Qd5xc4 Rf5xf3 d5 Rf3xf2
8 54 376 977105 Nc3xb5 g3 g2xf3 Rf7-f5 Qd5xc4 Rf5xf3 d5 Rf3xf2
9 21 820 2591154 Nc3xb5 ?? g3 g2xf3 Rf7-f5 Qd5xc4 Rf5xf3 d5 Rf3xf2
9 0 894 2858364 Nc3xb5 g3 g2xf3 g3xf2 Kg1xf2 Qg6-c2 Kf2-g3 Qc2-g6
Kg3-f2
9 0 1144 3818760 Nc3xb5 g3 g2xf3 g3xf2 Kg1xf2 Qg6-c2 Kf2-g3 Qc2-g6
Kg3-f2
10 0 1395 4704757 Nc3xb5 g3 g2xf3 g3xf2 Kg1xf2 Qg6-c2 Kf2-g3 Qc2-g6
Kg3-f2
10 0 1803 6250046 Nc3xb5 g3 g2xf3 g3xf2 Kg1xf2 Qg6-c2 Kf2-g3 Qc2-g6
Kg3-f2
11 0 2211 7742916 Nc3xb5 g3 g2xf3 g3xf2 Kg1xf2 Qg6-c2 Kf2-g3 Qc2-g6
Kg3-f2
11 0 2998 10784569 Nc3xb5 g3 g2xf3 g3xf2 Kg1xf2 Qg6-c2 Kf2-g3 Qc2-g6
Kg3-f2
12 -33 20449 68075503 Nc3xb5 ?? g3 g2xf3 g3xf2 Kg1xf2 Qg6-c2 Kf2-g3 Qc2-g6
Kg3-f2
12 -117 23298 75678527 Nc3xb5 Rf7-f5 Qd5xc4 Qg6-h5 Qc4-c7 g3 Qc7xg3 Rf5-g5
Nb5-c3 Rg5xg3 f2xg3 Qh5-g4 g2xf3 Qg4xf3
12 -32 25053 81252423 g3 !!
12 -57 25392 82416266 g3 Rf7-f5 Qd5-e4 Rf5-h5 Qe4-f4 Qg6-h6 Qf4xh6 Kh7xh6
Nc3-e4 Rh5-d5 Ne4-c3 Rd5xd4 Rd1xd4 Bg7xd4 Nc3xb5
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