Author: Dann Corbit
Date: 15:31:59 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
Crafty gets off the dime in a hurry, but can't seem to find anything a lot
better.
White(1): epdpfga \ne4.epd ne4.out
PFGA: EPD record: 1
middle-game phase
clearing hash tables
time surplus 0.00 time limit 16:39 (16:39)
nss depth time score variation (1)
6 0.39 0.43 1. Nxb5 fxg2 2. Qxg2 Rf3 3. Qh2+ Rh3
4. Qf4 Rb3 5. Nd6 Rxb4
6-> 0.53 0.43 1. Nxb5 fxg2 2. Qxg2 Rf3 3. Qh2+ Rh3
4. Qf4 Rb3 5. Nd6 Rxb4
7 0.95 0.52 1. Nxb5 fxg2 2. Qxc4 Qf5 3. Qd3 Qxd3
4. Rxd3 Rb7 5. Nd6 Rxb4
7-> 1.14 0.52 1. Nxb5 fxg2 2. Qxc4 Qf5 3. Qd3 Qxd3
4. Rxd3 Rb7 5. Nd6 Rxb4
8 1.85 -- 1. Nxb5
8 2.82 -0.67 1. Nxb5 g3 2. gxf3 Rf5 3. Qxc4 Rxf3
4. Qf1 Rxf2
8-> 5.80 -0.67 1. Nxb5 g3 2. gxf3 Rf5 3. Qxc4 Rxf3
4. Qf1 Rxf2
9 7.21 -0.89 1. Nxb5 g3 2. gxf3 Rf5 3. Qb7 Qh5 4.
fxg3 Rxb5 5. Qe4+ Rf5
9 21.24 -0.63 1. g3 Rf5 2. Qd7 Qh5 3. Re1 Rg5 4.
d5 Kg8 5. Re8+ Kh7
9-> 21.35 -0.63 1. g3 Rf5 2. Qd7 Qh5 3. Re1 Rg5 4.
d5 Kg8 5. Re8+ Kh7
10 22.15 -- 1. g3
10 22.55 -1.06 1. g3 Rf5 2. Qe4 Rh5 3. Re1 Qxe4 4.
Rxe4 Bf8 5. Na2 Rg5 6. Kf1
10 50.91 -1.05 1. Re1 fxg2 2. Kxg2 Qf6 3. Rh1+ Kg8
4. Rf1 Qf5 5. Qxf5 Rxf5 6. Rd1 Kf7
7. Rd2 Rh5
10-> 1:30 -1.05 1. Re1 fxg2 2. Kxg2 Qf6 3. Rh1+ Kg8
4. Rf1 Qf5 5. Qxf5 Rxf5 6. Rd1 Kf7
7. Rd2 Rh5
11 1:53 -1.05 1. Re1 fxg2 2. Kxg2 Qf6 3. Rh1+ Kg8
4. Rf1 Qf5 5. Qxf5 Rxf5 6. Rd1 Kf7
7. Kg1 Rh5 8. Kg2
11-> 2:39 -1.05 1. Re1 fxg2 2. Kxg2 Qf6 3. Rh1+ Kg8
4. Rf1 Qf5 5. Qxf5 Rxf5 6. Rd1 Kf7
7. Kg1 Rh5 8. Kg2
12 5:30 -0.99 1. Re1 Rf5 2. Qe4 Qh5 3. Re3 Kh8 4.
Qe8+ Qxe8 5. Rxe8+ Kh7 6. Re7 Kh6 7.
Re4 Kg5
12-> 6:29 -0.99 1. Re1 Rf5 2. Qe4 Qh5 3. Re3 Kh8 4.
Qe8+ Qxe8 5. Rxe8+ Kh7 6. Re7 Kh6 7.
Re4 Kg5
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