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Subject: Re: The new crafty programs -- some comparisons

Author: Mike Byrne

Date: 19:13:01 10/02/03

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On October 02, 2003 at 21:25:59, Dann Corbit wrote:

>On October 02, 2003 at 21:06:22, Mike Byrne wrote:
>
>>On October 02, 2003 at 20:49:53, Dann Corbit wrote:
>>
>>>On October 02, 2003 at 20:15:25, Jeremiah Penery wrote:
>>>
>>>>On October 02, 2003 at 16:00:23, Dann Corbit wrote:
>>>>
>>>>>Interesting is the large number of nodes the new 19.4 version examines.  About 3
>>>>>times as many as the MPC version.
>>>>
>>>>About that MPC stuff in Crafty - I tested it some, but the program almost always
>>>>generated nonsensical lines tending toward a drawscore, even when there was an
>>>>easy tactical win.  When I removed the code, these lines were seen as normal.
>>>>
>>>>Have you done any testing to verify the correctness of the MPC code in those
>>>>versions of Crafty that you have?
>>>
>>>I ran a short contest and the MPC version performed better.
>>>Maybe it does the pm correctly but clobbers the pv.
>>
>>Was your short contest playing games or solving test times?
>
>Hardware:
>950 MHz Athlon
>
>Time control:
>G/10 minutes + 15 seconds per move increment
>
>   Program            Elo    +   -   Games   Score   Av.Op.  Draws
> 1 Pepito v1.59     : 2931  409 382     2    75.0 %   2740   50.0 %
> 2 Aristarch 4.21   : 2823  600 600     3    50.0 %   2823   33.3 %
> 3 Rebel12          : 2821   40  53   183    67.5 %   2694   24.6 %
> 4 Ruffian 1.0.1    : 2739   40  53   162    47.8 %   2754   32.7 %
> 5 Crafty-MPC_all   : 2671   52  69    91    45.1 %   2706   37.4 %
> 6 SmarThink-016b2  : 2663   81  54    93    28.5 %   2823   22.6 %
> 7 Crafty-19.3      : 2530  104  90    40    57.5 %   2478   30.0 %
> 8 PMv1006          : 2455  118 119    28    64.3 %   2352   28.6 %
> 9 WBQueen-241      : 2352  126 101    33    30.3 %   2497   24.2 %
>10 Arasan 7.0       : 2350  130 149    19    34.2 %   2464   36.8 %
>11 crafty-1903      : 2212  600 600     2    50.0 %   2212    0.0 %
>12 AnMon 5.22       : 2133  145 146    22    59.1 %   2070   18.2 %
>13 Rebel12_Cb       : 2122   60  67   102    60.8 %   2046   19.6 %
>14 PostModernist    : 2068  111 115    36    45.8 %   2097   13.9 %
>15 TheKing          : 2065   69  69    87    43.7 %   2109   18.4 %
>16 WBQueen-239      : 1981  247 214    12    37.5 %   2070    8.3 %
>17 Smarthink-017a   : 1964  174 132    21    28.6 %   2123   19.0 %
>18 KKFChess v2.5.10 : 1466    0   0     4     0.0 %   2066    0.0 %


Could you run my modified Crafty 19.04 with fischer personality in the same
tournament setting?



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