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Up Topic Rybka Support & Discussion / Rybka Discussion / Still problems with 2.3.2a mp version and tablebases
- - By sylvain.renard.27 (**) Date 2007-07-26 09:22
8/p1k4p/6p1/8/6P1/P4K2/5P2/8 w - -


My computer has 6 pieces tablebases kpp kpp and kppp kp

Perfect analysis with Rybka 2.3.2a :

CPU0: GenuineIntel x86 Family 6 Model 14 Stepping 8 1828 MHz
CPU1: GenuineIntel x86 Family 6 Model 14 Stepping 8 1828 MHz
Engine: Rybka 2.3.2a 32-bit (512 MB)
de Vasik Rajlich

UCI_AnalyseMode set to true
11.00   0:00    0.00   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 (12.299) 13  TB:3
12.00   0:01    0.00   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 (19.061) 11  TB:7
13.00   0:02    0.00   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 (25.870) 9  TB:31
14.00   0:03    0.00   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 (33.995) 10  TB:93
15.00   0:04    0.00   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 (44.573) 10  TB:189
16.00   0:05    0.00   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 (60.238) 11  TB:337
17.00   0:07    0.00   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 (80.821) 10  TB:554
18.01   0:10    0.00   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 (109.369) 11  TB:853
19.01   0:13    0.00   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 (147.014) 10  TB:1.304
20.01   0:18    0.00   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 (192.298) 10  TB:1.865
21.01   0:24    0.00   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 (251.419) 10  TB:2.582
22.01   0:31    0.00   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 (329.451) 10  TB:3.542
23.01   0:39    0.00   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 (428.653) 11  TB:4.724
24.01   0:48    0.00   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 (564.261) 11  TB:6.177
25.01   0:59    0.00   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 (755.452) 12  TB:7.893
26.01   1:12    0.00   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 (1.008.242) 14  TB:10.039
27.01   1:27    0.00   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 (1.372.916) 16  TB:12.625
28.01   1:44    0.00   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 (1.876.788) 18  TB:15.512

Unfortunately, with the multiprocessor version, things look rather strange :

CPU0: GenuineIntel x86 Family 6 Model 14 Stepping 8 1828 MHz
CPU1: GenuineIntel x86 Family 6 Model 14 Stepping 8 1828 MHz
Engine: Rybka 2.3.2a mp 32-bit (512 MB)
de Vasik Rajlich

UCI_AnalyseMode set to true
15.00   0:01   +0.12   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 Rd6 5.Rg5 Re5 6.Rxh5 Rf4 7.a4 a5 (66.794) 50  TB:6
16.01   0:02   +0.34   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 Rd6 5.Rg5 Re5 6.Rxh5 Rf4 7.a4 a5 (115.247) 58  TB:10
17.01   0:02    0.00   1.Rf4 Rd6 2.Rg5 Re5 3.f3 h5 4.f4+ Re4 5.gxh5 gxh5 6.f5 Re5 7.f6 Re6 (159.097) 57  TB:18
18.01   0:05   +0.37   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 Rd6 5.Rg5 Re5 6.f4+ Re4 7.f5 Re5 (288.566) 55  TB:41
19.01   0:05   +0.37   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 Rd6 5.Rg5 Re5 6.f4+ Re4 7.f5 Re5 (288.569) 55  TB:41
20.01   0:07    0.00   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 Rd6 5.Rg5 Re5 6.f4+ Re6 7.f5+ Re7 (388.815) 53  TB:70
21.01   0:14   +3.98   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 Rd6 5.Rg5 Re5 6.f4+ Re6 7.f5+ Re7 (600.924) 43  TB:183
21.01   0:14   +3.98   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 Rd6 5.Rg5 Re5 6.f4+ Re6 7.f5+ Re7 (600.926) 43  TB:183
22.01   0:14   +3.98   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 Rd6 5.Rg5 Re5 6.f4+ Re6 7.f5+ Re7 (600.930) 43  TB:183
23.01   0:14   +3.98   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 Rd6 5.Rg5 Re5 6.f4+ Re6 7.f5+ Re7 (600.933) 43  TB:183
24.01   0:14   +3.98   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 Rd6 5.Rg5 Re5 6.f4+ Re6 7.f5+ Re7 (600.937) 43  TB:183
25.01   0:36   +1.48   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 Rd6 5.Rg5 Re5 6.f4+ Re6 7.f5+ Re7 (1.147.870) 32  TB:674
25.01   1:04   +3.98   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 Rd6 5.Rg5 Re5 6.f4+ Re6 7.f5+ Re7 (1.900.624) 30  TB:1.941
26.01   1:04   +3.98   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 Rd6 5.Rg5 Re5 6.f4+ Re6 7.f5+ Re7 (1.900.628) 30  TB:1.941
27.01   1:04   +3.98   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 Rd6 5.Rg5 Re5 6.f4+ Re6 7.f5+ Re7 (1.900.632) 30  TB:1.941
28.01   1:04   +3.98   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 Rd6 5.Rg5 Re5 6.f4+ Re6 7.f5+ Re7 (1.900.635) 30  TB:1.941
29.01   1:04   +3.98   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 Rd6 5.Rg5 Re5 6.f4+ Re6 7.f5+ Re7 (1.900.639) 30  TB:1.941
30.01   2:01   +1.48   1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 4.Rf4 Rd6 5.Rg5 Re5 6.f4+ Re6 7.f5+ Re7 (4.715.475) 39  TB:5.174

As you can see, the evaluation function is not normal, as the position after 1.Rf4 h6 2.Re5 h5 3.gxh5 gxh5 is in the tablebase and it is a draw.

  Best regards, and hope you can solve this problem, which is important in my opinion,
    Sylvain
Parent - - By sylvain.renard.27 (**) Date 2007-07-27 07:29
Oh, I forgot to use international (english notation). Of course here R = Roi = K
  Sylvain
Parent - By Vasik Rajlich (Silver) Date 2007-07-28 08:09
Thanks. It's strange, I will have a look.

Vas
Up Topic Rybka Support & Discussion / Rybka Discussion / Still problems with 2.3.2a mp version and tablebases

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