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Subject: Re: Congratulation for chesstiger( probably right, but too early)

Author: Jeff Lischer

Date: 10:47:44 08/24/01

Go up one level in this thread


On August 24, 2001 at 13:09:01, Uri Blass wrote:

>On August 24, 2001 at 07:06:51, Uri Blass wrote:
>
>>Here are the results by
>>elostat program
>>
>>You can see that shredder is only 3th place micro based on the performance.
>>Shredder is the world Micro champion by definition but Tiger and Rebel had a
>>better performance.
>>
>>
>>1 Deep Junior 7                  : 2745  228 281     9    88.9 %   2384   22.2 %
>>2 Quest (DeepFritz)              : 2550  266 169     9    66.7 %   2430   44.4 %
>>3 Chess Tiger 14.6 Gambit Tiger  : 2499  291 229     9    55.6 %   2461   22.2 %
>>4 Crafty 18.10X                  : 2467  291 165     9    55.6 %   2428   44.4 %
>>5 Rebel                          : 2466  291 229     9    55.6 %   2428   22.2 %
>>6 Shredder                       : 2466  266 249     9    66.7 %   2346   22.2 %
>>7 Goliath                        : 2421  291 165     9    55.6 %   2382   44.4 %
>>8 Gromit 3.9.5                   : 2364  278 201     9    61.1 %   2285   33.3 %
>>9 Ferret                         : 2359  291 229     9    55.6 %   2320   22.2
>>%10 Gandalf 5.0                   : 2310  291 229     9    55.6 %   2271   22.2
>>%
>>11 ParSOS                        : 2256  291 229     9    55.6 %   2217   22.2 %
>>12 Diep                          : 2227  165 291     9    44.4 %   2265   44.4 %
>>13 IsiChess X                    : 2166  201 278     9    38.9 %   2245   33.3 %
>>14 Tao                           : 2165  229 291     9    44.4 %   2203   22.2 %
>>15 Ruy Lopez                     : 2118  366 266     9    33.3 %   2238    0.0 %
>>16 Pharaon                       : 2082  169 266     9    33.3 %   2202   44.4 %
>>17 SpiderGirl                    : 2014  213 255     9    27.8 %   2180   33.3 %
>>18 XiNiX                         : 1724  400 108     9     5.6 %   2216   11.1 %
>>
>>congratulation also for the Deep Junior team for winning the event convincingly
>>when the difference from the second place is almost 200 elo and the hardware
>>explain less than 70 elo difference.
>>
>>Uri
>
>Here is the rating without one game Junior7-Ruy lopez
>It seems that the program is not correct
>
>Junior won the game against Ruy lopez but without the game against Ruy lopez
>Junior has bigger rating when Ruy lopez has lower rating.
>
>It is not logical.
>It seems that I have to build my program
>
>I already did it in the past for a private case correctly and programs cannot
>lose rating from winning games unless I have some logical error.
>
>I am surprised to see that programmers do correctly
>the hard part of the program(doing it for the general case and not only for a
>private case) and are wrong in the easy part(calculating elo based on the
>results until conversion).
>
>I still believe that tiger has a better performance but I am not sure.
>It was my impression before reading the results without running the program.
>
>Note that the difference between tiger and shredder is 36 points without the
>game Junior-Ruy lopez and  33 points with this game so it seems that deleting
>the game that is more accurate than including it with negative influence on
>Junior only increase the difference.
>
>1 Deep Junior 7                  : 2760  262 274     8    87.5 %   2422   25.0 %
>2 Quest (DeepFritz)              : 2556  266 169     9    66.7 %   2436   44.4 %
>3 Chess Tiger 14.6 Gambit Tiger  : 2506  291 229     9    55.6 %   2467   22.2 %
>4 Crafty 18.10X                  : 2473  291 165     9    55.6 %   2434   44.4 %
>5 Rebel                          : 2473  291 229     9    55.6 %   2434   22.2 %
>6 Shredder                       : 2468  266 249     9    66.7 %   2348   22.2 %
>7 Goliath                        : 2423  291 165     9    55.6 %   2384   44.4 %
>8 Gromit 3.9.5                   : 2369  278 201     9    61.1 %   2291   33.3 %
>9 Ferret                         : 2363  291 229     9    55.6 %   2324   22.2 %
>10 Gandalf 5.0                   : 2311  291 229     9    55.6 %   2272   22.2 %
>11 ParSOS                        : 2259  291 229     9    55.6 %   2220   22.2 %
>12 Diep                          : 2230  165 291     9    44.4 %   2269   44.4 %
>13 IsiChess X                    : 2167  201 278     9    38.9 %   2245   33.3 %
>14 Tao                           : 2165  229 291     9    44.4 %   2204   22.2 %
>15 Ruy Lopez                     : 2087  387 310     8    37.5 %   2176    0.0 %
>16 Pharaon                       : 2081  169 266     9    33.3 %   2201   44.4 %
>17 SpiderGirl                    : 2013  213 255     9    27.8 %   2179   33.3 %
>18 XiNiX                         : 1723  400 108     9     5.6 %   2216   11.1 %
>
>Uri

As a check, I did this experiment with my modified approach (for an explanation
see my previous message 185367):

1) With the full pgn: Deep Junior's rating is 2829

2) Without the one Junior game: Deep Junior's rating is 2827.




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