Dev Builds » 20140428-1527

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo
ncm-dbt-01 05:45:27 584564 4000 1 3450 549 -452.38 ± 13.31 1450 549 1 0 0 -1199.83 ± 0.0
ncm-dbt-02 05:45:50 591573 4002 0 3457 545 -454.51 ± 13.37 1456 545 0 0 0 -1199.83 ± 0.0
ncm-dbt-03 05:46:28 577902 3986 2 3449 535 -455.83 ± 13.53 1456 535 2 0 0 -1199.83 ± 15.71
ncm-dbt-04 05:45:27 569362 3994 3 3450 541 -453.46 ± 13.44 1453 541 3 0 0 -1199.83 ± 40.96
ncm-dbt-05 05:45:54 602948 4018 5 3512 501 -467.23 ± 14.1 1503 501 5 0 0 -1161.73 ± 73.76
20000 11 17318 2671 -456.62 ± 6.05 7318 2671 11 0 0 -1199.83 ± 0.0

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
479825 ncm-dbt-02 590739 2 0 1 1 -189.7 ± 55.98 0 1 0 0 0 -1129.65 ± 376.02
479824 ncm-dbt-05 606607 18 0 18 0 -1199.83 ± 198.13 9 0 0 0 0 -1199.83 ± 179.72
479823 ncm-dbt-04 568434 494 0 439 55 -491.78 ± 43.63 192 55 0 0 0 -1199.83 ± 0.0
479822 ncm-dbt-03 578547 486 2 415 69 -436.16 ± 37.9 172 69 2 0 0 -953.35 ± 199.06
479821 ncm-dbt-01 584790 500 0 446 54 -497.37 ± 44.16 196 54 0 0 0 -1199.83 ± 0.0
479820 ncm-dbt-02 587962 500 0 437 63 -468.94 ± 40.18 187 63 0 0 0 -1199.83 ± 0.0
479819 ncm-dbt-05 604937 500 0 432 68 -454.74 ± 38.3 182 68 0 0 0 -1199.83 ± 0.0
479818 ncm-dbt-04 567403 500 0 421 79 -426.63 ± 34.76 171 79 0 0 0 -1199.83 ± 0.0
479817 ncm-dbt-03 573487 500 0 433 67 -457.5 ± 38.66 183 67 0 0 0 -1199.83 ± 0.0
479816 ncm-dbt-01 586901 500 0 435 65 -463.14 ± 39.4 185 65 0 0 0 -1199.83 ± 0.0
479815 ncm-dbt-02 590353 500 0 438 62 -471.9 ± 40.58 188 62 0 0 0 -1199.83 ± 0.0
479814 ncm-dbt-05 596635 500 0 435 65 -463.14 ± 39.4 185 65 0 0 0 -1199.83 ± 0.0
479813 ncm-dbt-03 578630 500 0 433 67 -457.5 ± 38.66 183 67 0 0 0 -1199.83 ± 0.0
479812 ncm-dbt-04 570148 500 1 426 73 -436.42 ± 36.66 176 73 1 0 0 -1078.89 ± 154.95
479811 ncm-dbt-01 580945 500 0 418 82 -419.59 ± 33.91 168 82 0 0 0 -1199.83 ± 0.0
479810 ncm-dbt-02 591211 500 0 430 70 -449.33 ± 37.6 180 70 0 0 0 -1199.83 ± 0.0
479809 ncm-dbt-05 605432 500 0 441 59 -481.07 ± 41.84 191 59 0 0 0 -1199.83 ± 0.0
479808 ncm-dbt-02 591297 500 0 430 70 -449.33 ± 37.6 180 70 0 0 0 -1199.83 ± 0.0
479807 ncm-dbt-03 580530 500 0 446 54 -497.37 ± 44.16 196 54 0 0 0 -1199.83 ± 0.0
479806 ncm-dbt-04 569589 500 0 435 65 -463.14 ± 39.4 185 65 0 0 0 -1199.83 ± 0.0
479805 ncm-dbt-01 585801 500 0 438 62 -471.9 ± 40.58 188 62 0 0 0 -1199.83 ± 0.0
479804 ncm-dbt-05 605162 500 0 435 65 -463.14 ± 39.4 185 65 0 0 0 -1199.83 ± 0.0
479803 ncm-dbt-03 575435 500 0 436 64 -466.01 ± 39.79 186 64 0 0 0 -1199.83 ± 0.0
479802 ncm-dbt-04 570148 500 2 437 61 -463.14 ± 41.06 187 61 2 0 0 -958.31 ± 196.57
479801 ncm-dbt-02 590267 500 0 433 67 -457.5 ± 38.66 183 67 0 0 0 -1199.83 ± 0.0
479800 ncm-dbt-01 584495 500 0 428 72 -444.07 ± 36.93 178 72 0 0 0 -1199.83 ± 0.0
479799 ncm-dbt-05 600779 500 1 437 62 -466.02 ± 40.64 187 62 1 0 0 -1078.89 ± 154.95
479798 ncm-dbt-03 578877 500 0 440 60 -477.97 ± 41.41 190 60 0 0 0 -1199.83 ± 0.0
479797 ncm-dbt-04 571632 500 0 434 66 -460.3 ± 39.03 184 66 0 0 0 -1199.83 ± 0.0
479796 ncm-dbt-02 593109 500 0 431 69 -452.02 ± 37.95 181 69 0 0 0 -1199.83 ± 0.0
479795 ncm-dbt-01 583489 500 0 427 73 -441.48 ± 36.6 177 73 0 0 0 -1199.83 ± 0.0
479794 ncm-dbt-05 597292 500 1 439 60 -471.91 ± 41.47 189 60 1 0 0 -1078.89 ± 154.95
479793 ncm-dbt-04 569749 500 0 427 73 -441.48 ± 36.6 177 73 0 0 0 -1199.83 ± 0.0
479792 ncm-dbt-02 596372 500 0 434 66 -460.3 ± 39.03 184 66 0 0 0 -1199.83 ± 0.0
479791 ncm-dbt-03 579744 500 0 422 78 -429.04 ± 35.06 172 78 0 0 0 -1199.83 ± 0.0
479790 ncm-dbt-01 586562 500 1 430 69 -446.69 ± 38.01 180 69 1 0 0 -1078.89 ± 154.95
479789 ncm-dbt-05 605162 500 2 438 60 -466.02 ± 41.47 188 60 2 0 0 -958.31 ± 196.57
479788 ncm-dbt-04 567799 500 0 431 69 -452.02 ± 37.95 181 69 0 0 0 -1199.83 ± 0.0
479787 ncm-dbt-02 592850 500 0 423 77 -431.46 ± 35.35 173 77 0 0 0 -1199.83 ± 0.0
479786 ncm-dbt-03 577971 500 0 424 76 -433.92 ± 35.66 174 76 0 0 0 -1199.83 ± 0.0
479785 ncm-dbt-05 604532 500 1 437 62 -466.02 ± 40.64 187 62 1 0 0 -1078.89 ± 154.95
479784 ncm-dbt-01 583531 500 0 428 72 -444.07 ± 36.93 178 72 0 0 0 -1199.83 ± 0.0

Commit

Commit ID db229504e2c68a92177985bfbf7a870349257301
Author Marco Costalba
Date 2014-04-28 15:27:49 UTC
Rearrange interpolation formula Put the division at the end to reduce rounding errors. This alters the bench due to different rounding errors, but should not alter ELO in any way. bench: 7615217
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