Author: Robert Hyatt
Date: 13:15:10 01/23/98
Go up one level in this thread
On January 23, 1998 at 13:01:15, Stuart Cracraft wrote:
>On January 23, 1998 at 03:04:43, Bruce Moreland wrote:
>
>My litmus test for hashing has always been that if Fine 70 gets Kb1 in a
>second or so, you're probably OK, but if you stall out at around ply 18,
> you have something horrible going wrong. Fine 70:
>
>8/k/3p/p2P1p/P2P1P/16/K w - - 0 1
>
>The key is Kb1 and you should see a score jump of around a pawn at some
>point, and if you get a PV you should eventually see a "Kxf5" in it
>somewhere.
>
>Okay, here is my output. Kb1 is found in a second. No stall at ply 18.
>Kxf5 appears at ply 19 and persists for a few plys but is not around at
>the higher plys (28, 29...)
>
>How's it look to you?
Here is my results with a default hash on my notebook
which is a P5/233mmx:
depth time score variation (1)
18 0.13 0.82 Kb2 Ka8 Kc3 Kb7 Kc4 Kb6 Kd3 Kc7 <HT>
18-> 0.13 0.82 Kb2 Ka8 Kc3 Kb7 Kc4 Kb6 Kd3 Kc7 <HT>
19 0.24 0.82 Kb2 Ka8 Kc3 Kb7 Kc4 Kb6 Kd3 Kc7 Kc4
Kb6 <HT>
19 0.27 ++ Kb1!!
19-> 0.28 1.11 Kb1
20 0.31 ++ Kb1!!
20-> 0.32 1.40 Kb1
21 0.35 ++ Kb1!!
21 0.55 2.60 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7
Kg6 Kd7 Kxf5
21-> 0.61 2.60 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7
Kg6 Kd7 Kxf5
22 0.68 2.60 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7
Kg6 Kd7 Kxf5 Ke7
22-> 0.69 2.60 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7
Kg6 Kd7 Kxf5 Ke7
23 0.77 2.63 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7
Kg6 Kd7 Kxf5 Ke7 Ke4
23-> 0.78 2.63 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7
Kg6 Kd7 Kxf5 Ke7 Ke4
24 0.85 2.63 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7
Kg6 Kd7 Kxf5 Ke7 Ke4 Kd7
24-> 0.86 2.63 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7
Kg6 Kd7 Kxf5 Ke7 Ke4 Kd7
25 1.10 2.85 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7
Kg6 Kd7 Kxf5 Ke7 Kg6 Kd7 f5
25-> 1.28 2.85 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7
Kg6 Kd7 Kxf5 Ke7 Kg6 Kd7 f5
26 1.85 2.85 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7
Kg6 Kd7 Kxf5 Ke7 Kg6 Kd7 f5 Ke7
26-> 2.03 2.85 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7
Kg6 Kd7 Kxf5 Ke7 Kg6 Kd7 f5 Ke7
27 2.58 3.02 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7
Kg6 Ke8 Kxf5 Kf7 Kg5 Kg7 f5 Kf8 f6
Kf7
27-> 2.77 3.02 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7
Kg6 Ke8 Kxf5 Kf7 Kg5 Kg7 f5 Kf8 f6
Kf7
28 3.74 3.04 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7
Kg6 Ke8 Kxf5 Kf7 Kg5 Kg7 f5 Kf8 f6
Kf7 Kf5
28-> 3.98 3.04 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7
Kg6 Ke8 Kxf5 Kf7 Kg5 Kg7 f5 Kf8 f6
Kf7 Kf5
29 6.74 3.20 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7
Kg6 Ke8 Kxf5 Kf7 Kg5 Kg7 f5 Kf8 f6
Ke8 Kg6 Kd7
29-> 7.02 3.20 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7
Kg6 Ke8 Kxf5 Kf7 Kg5 Kg7 f5 Kf8 f6
Ke8 Kg6 Kd7
30 11.97 3.25 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7
Kg6 Ke8 Kxf5 Kf7 Kg5 Kg7 f5 Kf7 f6
Kf8 Kg6 Ke8 Kf5
30-> 12.18 3.25 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7
Kg6 Ke8 Kxf5 Kf7 Kg5 Kg7 f5 Kf7 f6
Kf8 Kg6 Ke8 Kf5
31 15.94 3.25 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Kf7
Kg5 Kg7 Kxf5 Kf7 Kg5 <HT>
31-> 16.23 3.25 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Kf7
Kg5 Kg7 Kxf5 Kf7 Kg5 <HT>
32 21.11 3.25 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Kf7
Kg5 Kg7 Kxf5 Kf7 Kg5 Kg7 f5 Kf7 f6
<HT>
32-> 21.49 3.25 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Kf7
Kg5 Kg7 Kxf5 Kf7 Kg5 Kg7 f5 Kf7 f6
<HT>
33 40.63 3.25 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Kf7
Kg5 Kg7 Kxf5 Kf7 Kg5 Kg7 f5 Kf7 f6
Kf8 Kg4 Kg8 Kf4 Kh8 Kf5 Kh7
33-> 41.15 3.25 Kb1 Ka8 Kb2 Kb8 Kc2 Kc7 Kd3 Kb6 Ke3
Kc7 Kf3 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Kf7
Kg5 Kg7 Kxf5 Kf7 Kg5 Kg7 f5 Kf7 f6
Kf8 Kg4 Kg8 Kf4 Kh8 Kf5 Kh7
time: 1:15 cpu:73% mat:2 n:5572658 nps:101321
>
>K2 1/18/98 0.20
>Type ? for help.
>Transposition table: Entries=100K Size=6400K
>Pawn transposition table: Entries=31K Size=3000K
>? ? ? ? 30 seconds per problem.
>fine70
>Kb1
>
>white
>. . . . . . . .
>k . . . . . . .
>. . . p . . . .
>p . . P . p . .
>P . . P . P . .
>. . . . . . . .
>. . . . . . . .
>K . . . . . . .
>
>Phase = Endgame, Target search time = 30 sec, Root score = 146
> 1& 0.0 152 1 Kb1
> 1. 0.0 152 3 Kb1
> 2- 0.0 54 19 Kb1
> 2. 0.0 146 25 Kb1 Ka6
> 3& 0.0 152 49 Kb1 Kb6 Kc2
> 3& 0.0 156 104 Kb2 Kb6 Kc3
> 3. 0.0 156 104 Kb2 Kb6 Kc3
> 4- 0.0 54 196 Kb2
> 4. 0.0 146 229 Kb2 Kb6 Kc3 Ka6
> 5& 0.1 172 345 Kb2 Kb6 Kc3 Kc7 Kd3
> 5. 0.1 172 368 Kb2 Kb6 Kc3 Kc7 Kd3
> 6- 0.1 54 737 Kb2
> 6. 0.1 146 806 Kb2 Kb6 Kc3 Kc7 Kd3 Kb6
> 7& 0.1 165 1066 Kb2 Kb6 Kc3 Kc7 Kd3 Kd7 Ke3
> 7. 0.1 165 1096 Kb2 Kb6 Kc3 Kc7 Kd3 Kd7 Ke3
> 8- 0.1 54 1672 Kb2
> 8. 0.1 146 1809 Kb2 Kb6 Kc3 Kc7 Kd3 Kd7 Ke3 Kc7
> 9& 0.1 173 2386 Kb2 Kb6 Kc3 Kc7 Kc4 Kb6 Kd3 Kc7 Ke3
> 9. 0.1 173 2409 Kb2 Kb6 Kc3 Kc7 Kc4 Kb6 Kd3 Kc7 Ke3
>10- 0.1 54 3519 Kb2
>10. 0.1 146 3747 Kb2 Kb6 Kc3 Kc7 Kc4 Kb6 Kd3 Kc7 Ke3 Kd7
>11& 0.2 165 4633 Kb2 Kb6 Kc3 Kc7 Kc4 Kb6 Kd3 Kc7 Ke2 Kd7
>Ke3
> Kc7 Ke2
>11. 0.2 165 4656 Kb2 Kb6 Kc3 Kc7 Kc4 Kb6 Kd3 Kc7 Ke2 Kd7
>Ke3
> Kc7 Ke2
>12- 0.2 54 6781 Kb2
>12. 0.2 146 7147 Kb2 Kb6 Kc3 Kc7 Kc4 Kb6 Kd3 Kc7 Ke2 Kd7
>Ke3
> Kc7 Ke2
>13& 0.2 163 8489 Kb2 Kb6 Kc3 Kc7 Kc4 Kb6 Kd3 Kc7 Ke2 Kd7
>Kf2
> Ke7 Ke3 Kf6 Kd3 Ke7 Kc4 Kf6
>13. 0.2 163 8512 Kb2 Kb6 Kc3 Kc7 Kc4 Kb6 Kd3 Kc7 Ke2 Kd7
>Kf2
> Ke7 Ke3 Kf6 Kd3 Ke7 Kc4 Kf6
>14- 0.3 54 13871 Kb2
>14. 0.4 146 14520 Kb2 Kb6 Kc3 Ka6 Kd3 Kb6 Kc4 Ka6 Kb3 Kb6
>Kc2
> Kc7 Kc1 Kd7 Kd1 Ke7 Kc1 Kf6 Kc2 Ke7 Kd3
>Kf7
> Kc4 Kf6 Kb5 Ke7 Kxa5 Kf6 Kb4 Ke7
>15& 0.4 152 17854 Kb2 Kb6 Kc3 Ka6 Kd3 Kb6 Kd2 Kb7 Ke2 Kc8
>Kf2
> Kd7 Kg3 Ke7 Kh4
>15. 0.4 152 17877 Kb2 Kb6 Kc3 Ka6 Kd3 Kb6 Kd2 Kb7 Ke2 Kc8
>Kf2
> Kd7 Kg3 Ke7 Kh4
>16- 0.6 54 27966 Kb2
>16. 0.6 146 28541 Kb2 Kb6 Kc3 Ka6 Kd3 Kb6 Kd2 Kb7 Ke2 Kc8
>Kf2
> Kd7 Kg3 Ke7 Kh4 Kd7
>17& 0.8 153 34529 Kb2 Kb6 Kc3 Ka6 Kd3 Kb6 Ke2 Kc7 Kf2 Kd7
>Kg3
> Ke7 Kh4 Kf6 Kh5 Ke7 Kg5
>17. 0.8 153 34552 Kb2 Kb6 Kc3 Ka6 Kd3 Kb6 Ke2 Kc7 Kf2 Kd7
>Kg3
> Ke7 Kh4 Kf6 Kh5 Ke7 Kg5
>18& 1.1 153 51687 Kb2 Kb6 Kc3 Kb7 Kd3 Kc7 Kc4 Kb6 Kd3 Kc7
>18. 1.1 153 51710 Kb2 Kb6 Kc3 Kb7 Kd3 Kc7 Kc4 Kb6 Kd3 Kc7
>19& 1.6 153 71780 Kb2 Kb6 Kc3 Kb7 Kd3 Kc7 Ke2 Kd7 Ke3 Kc7
>Kf2
> Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7 Kg5 Kd7
>Kxf5 Kc7
> Ke4
>19. 1.6 153 71803 Kb2 Kb6 Kc3 Kb7 Kd3 Kc7 Ke2 Kd7 Ke3 Kc7
>Kf2
> Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7 Kg5 Kd7
>Kxf5 Kc7
> Ke4
>20& 2.9 153 136635 Kb2 Ka8 Kc3 Kb7 Kc2 Kb8 Kc3 Ka7 Kd3 Kb6
>Ke2
> Kc7 Kf2 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7 Kg5
>Kd7
> Kxf5 Kc7
>20. 2.9 153 138224 Kb2 Ka8 Kc3 Kb7 Kc2 Kb8 Kc3 Ka7 Kd3 Kb6
>Ke2
> Kc7 Kf2 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7 Kg5
>Kd7
> Kxf5 Kc7
>21& 3.2 153 148051 Kb2 Ka8 Kc3 Kb7 Kc2 Kb8 Kd3 Kc7 Kc4 Kb6
>Kb3
> Kc7 Ka3 Kd7 Ka2 Kc7 Kb3 Kb7 Kc3 Ka6 Kd3
>Kb6
> Ke2 Kc7 Kf2 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5 Ke7
>Kg5
> Kd7 Kxf5 Kc7 Ke4
>21+ 3.2 246 149158 Kb1
>21. 4.2 178 188213 Kb1 Kb7 Kc1 Kc7 Kd1 Kd7 Kc2 Kc8 Kd2 Kc7
>Kd3
> Kb7 Ke2 Kc8 Kf2 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5
>Ke7
> Kg5 Kd7 Kxf5 Kc7 Ke4 Kb7 Kd3
>22& 4.7 153 214896 Kb1 Kb7 Kc1 Kc7 Kd2 Kc8 Ke2 Kd7 Kd3 Kc7
>Kc4
> Kb6 Kc3 Kb7 Kc2 Kb8 Kd2 Kc8
>22. 4.7 153 215184 Kb1 Kb7 Kc1 Kc7 Kd2 Kc8 Ke2 Kd7 Kd3 Kc7
>Kc4
> Kb6 Kc3 Kb7 Kc2 Kb8 Kd2 Kc8
>23+ 14.6 244 681891 Kb1
>23. 15.8 178 724316 Kb1 Kb7 Kc1 Kc7 Kd1 Kd7 Kc2 Kc8 Kd2 Kc7
>Kd3
> Kb7 Ke2 Kc8 Kf2 Kd7 Kg3 Ke7 Kh4 Kf6 Kh5
>Ke7
> Kg5 Kd7 Kxf5 Kc7 Ke4 Kb7 Kd3 Kb6 Ke2
>24& 17.7 246 818110 Kb1 Kb7 Kc1 Kc7 Kd1 Kb7 Ke2 Kb6 Kf2 Kc7
>Kg3
> Kd7 Kh4 Ke7 Kg5 Kf7 Kxf5 Ke7 Ke4 Kd7
>Kd3 Kc7
> Ke2 Kb7
>24. 17.7 246 818233 Kb1 Kb7 Kc1 Kc7 Kd1 Kb7 Ke2 Kb6 Kf2 Kc7
>Kg3
> Kd7 Kh4 Ke7 Kg5 Kf7 Kxf5 Ke7 Ke4 Kd7
>Kd3 Kc7
> Ke2 Kb7
>25& 21.6 237 948226 Kb1 Kb7 Kc1 Kc7 Kd1 Kc8 Kd2 Kd7 Kc3 Kc7
>Kd3
> Kb7 Kc3 Kc7
>25. 21.6 237 948344 Kb1 Kb7 Kc1 Kc7 Kd1 Kc8 Kd2 Kd7 Kc3 Kc7
>Kd3
> Kb7 Kc3 Kc7
>26& 22.9 237 1010685 Kb1 Kb7 Kc1 Kc7 Kd1 Kc8 Kd2 Kd7 Kc3 Kc7
>Kd3
> Kb7 Kc3 Kc7
>26. 22.9 237 1010803 Kb1 Kb7 Kc1 Kc7 Kd1 Kc8 Kd2 Kd7 Kc3 Kc7
>Kd3
> Kb7 Kc3 Kc7
>27& 23.4 237 1033465 Kb1 Kb7 Kc1 Kc7 Kd1 Kc8 Kd2 Kd7 Kc3 Kc7
>Kd3
> Kb7 Kc3 Kc7
>27. 23.4 237 1033583 Kb1 Kb7 Kc1 Kc7 Kd1 Kc8 Kd2 Kd7 Kc3 Kc7
>Kd3
> Kb7 Kc3 Kc7
>28& 24.1 237 1062168 Kb1 Kb7 Kc1 Kc7 Kd1 Kc8 Kd2 Kd7 Kc3 Kc7
>Kd3
> Kb7 Kc3 Kc7
>28. 24.1 237 1062286 Kb1 Kb7 Kc1 Kc7 Kd1 Kc8 Kd2 Kd7 Kc3 Kc7
>Kd3
> Kb7 Kc3 Kc7
>29. 30.0 237 1211110 Kb1 Kb7 Kc1 Kc7 Kd1 Kc8 Kd2 Kd7 Kc3 Kc7
>Kd3
> Kb7 Kc3 Kc7
>
>My move is : Kb1
>Time = 30.0 Rate=40322 Nodes=[1196402/14708/1211110]
>Eval=177292 RptCnt=19091 NullCut=1704
>Extensions: Check=4512 Recapture=139 Pawn=0 PassedPawn=0
> OneMove=0 Threat=0 DeepSearch=0 Mate=0
>Material=[400/300] Worst=[46/-668]
>Hash: Success=98% Collision=95%
>Hash Counts: ReadHits=916615, ReadProbes=934112, WriteColl=485994,
>WriteTries=50
>6524
>Pawn Hash: Success=99% Collision=0%
>Pawn Counts: ReadHits=354171, ReadProbes=354517, WriteColl=0,
>WriteTries=346
>
>black
>. . . . . . . .
>k . . . . . . .
>. . . p . . . .
>p . . P . p . .
>P . . P . P . .
>. . . . . . . .
>. . . . . . . .
>. K . . . . . .
>
>+++ Kb1 Kb1
>
>Correct so far: 1 Total problems: 1 Percent: 100%
>
>********* Grand totals **********
>Time = 30.0 Rate=40323 Nodes=[1196402/14708/1211110]
>EvalCnt=177292 RptCnt=19091 NullCut=1704
>Extensions: Check=4512 Recapture=139 Pawn=0 PassedPawn=0
> OneMove=0 Threat=0 DeepSearch=0 Mate=0
>Hash: Success=98% Collision=95%
>Pawn Hash: Success=99% Collision=0%
>?
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