Dev Builds » 20180530-1138

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 06:30:11 585093 4000 40 2848 1112 -302.7 ± 8.1 858 1092 50 0 0 -759.04 ± 49.39
ncm-dbt-02 06:29:43 585878 4000 30 2856 1114 -305.8 ± 8.12 869 1088 43 0 0 -785.55 ± 53.5
ncm-dbt-03 06:30:40 585356 3992 35 2843 1114 -303.66 ± 8.16 862 1085 48 1 0 -758.7 ± 50.45
ncm-dbt-04 06:30:55 568297 4014 26 2876 1112 -308.25 ± 8.06 876 1098 33 0 0 -832.58 ± 61.68
ncm-dbt-05 06:30:16 584761 3994 32 2815 1147 -299.16 ± 7.88 829 1126 41 1 0 -785.3 ± 54.84
20000 163 14238 5599 -303.9 ± 3.61 4294 5489 215 2 0 -782.32 ± 23.36

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
471701 ncm-dbt-04 568156 14 0 10 4 -310.89 ± 151.57 3 4 0 0 0 -1199.83 ± 201.74
471700 ncm-dbt-03 584201 492 2 360 130 -320.92 ± 24.18 115 128 3 0 0 -884.76 ± 223.59
471699 ncm-dbt-05 586350 494 4 351 139 -302.98 ± 23.42 107 133 7 0 0 -736.92 ± 163.24
471698 ncm-dbt-02 587452 500 6 359 135 -305.44 ± 23.22 109 135 6 0 0 -766.17 ± 188.02
471697 ncm-dbt-01 587962 500 6 350 144 -293.28 ± 22.42 102 140 8 0 0 -715.51 ± 146.53
471696 ncm-dbt-04 567839 500 5 360 135 -308.23 ± 23.21 110 135 5 0 0 -798.18 ± 231.48
471695 ncm-dbt-03 584034 500 8 351 141 -291.96 ± 22.56 102 139 9 0 0 -694.7 ± 134.18
471694 ncm-dbt-05 583866 500 3 358 139 -308.23 ± 22.88 109 137 4 0 0 -837.28 ± 240.94
471693 ncm-dbt-02 587113 500 4 363 133 -313.9 ± 24.2 115 129 6 0 0 -766.17 ± 188.02
471692 ncm-dbt-01 585970 500 4 358 138 -306.83 ± 22.72 108 138 4 0 0 -837.28 ± 240.94
471691 ncm-dbt-04 565666 500 6 341 153 -281.67 ± 21.91 96 143 11 0 0 -659.13 ± 116.77
471690 ncm-dbt-05 584958 500 6 345 149 -286.77 ± 21.05 95 149 6 0 0 -766.17 ± 188.02
471689 ncm-dbt-03 585970 500 2 343 155 -289.35 ± 20.73 95 151 4 0 0 -837.28 ± 240.94
471688 ncm-dbt-02 582861 500 6 361 133 -308.23 ± 24.18 113 129 8 0 0 -715.51 ± 146.53
471687 ncm-dbt-01 584327 500 6 360 134 -306.83 ± 24.02 112 130 8 0 0 -715.51 ± 146.53
471686 ncm-dbt-04 567205 500 4 353 143 -299.96 ± 21.94 103 143 4 0 0 -837.28 ± 240.94
471685 ncm-dbt-05 582861 500 1 357 142 -309.64 ± 22.36 108 140 2 0 0 -958.31 ± 196.57
471684 ncm-dbt-01 582485 500 5 356 139 -302.69 ± 23.22 108 135 7 0 0 -739.05 ± 163.27
471683 ncm-dbt-03 586774 500 8 353 139 -294.6 ± 22.88 104 137 9 0 0 -694.7 ± 134.18
471682 ncm-dbt-02 586223 500 4 354 142 -301.32 ± 23.06 107 136 7 0 0 -739.05 ± 163.27
471681 ncm-dbt-04 569589 500 2 364 134 -318.24 ± 23.31 114 134 2 0 0 -958.31 ± 196.57
471680 ncm-dbt-02 586604 500 3 356 141 -305.44 ± 23.22 109 135 6 0 0 -766.17 ± 188.02
471679 ncm-dbt-05 583824 500 3 342 155 -286.77 ± 20.43 93 153 4 0 0 -837.28 ± 240.94
471678 ncm-dbt-01 583782 500 5 352 143 -297.27 ± 22.27 103 141 6 0 0 -766.17 ± 188.02
471677 ncm-dbt-03 587494 500 3 348 149 -294.61 ± 22.27 101 144 4 1 0 -766.23 ± 273.11
471676 ncm-dbt-04 566849 500 4 358 138 -306.83 ± 22.72 108 138 4 0 0 -837.28 ± 240.94
471675 ncm-dbt-02 587409 500 2 362 136 -315.34 ± 23.69 114 132 4 0 0 -837.28 ± 240.94
471674 ncm-dbt-01 585843 500 6 355 139 -299.96 ± 23.21 107 135 8 0 0 -715.51 ± 146.53
471673 ncm-dbt-03 586562 500 4 363 133 -313.9 ± 24.2 115 129 6 0 0 -766.17 ± 188.02
471672 ncm-dbt-05 583698 500 6 357 137 -302.69 ± 22.9 107 137 6 0 0 -766.17 ± 188.02
471671 ncm-dbt-04 569430 500 1 357 142 -309.64 ± 22.01 107 142 1 0 0 -1078.89 ± 154.95
471670 ncm-dbt-02 585042 500 3 352 145 -299.96 ± 21.61 102 145 3 0 0 -887.58 ± 222.18
471669 ncm-dbt-05 585421 500 6 349 145 -291.97 ± 23.15 103 138 8 1 0 -676.08 ± 142.43
471668 ncm-dbt-03 583531 500 3 370 127 -325.66 ± 25.56 123 121 6 0 0 -766.17 ± 188.02
471667 ncm-dbt-04 569270 500 3 364 133 -316.79 ± 23.5 114 133 3 0 0 -887.58 ± 222.18
471666 ncm-dbt-01 585084 500 5 374 121 -328.69 ± 25.56 124 121 5 0 0 -798.18 ± 231.48
471665 ncm-dbt-05 587113 500 3 356 141 -305.44 ± 22.56 107 139 4 0 0 -837.28 ± 240.94
471664 ncm-dbt-02 584327 500 2 349 149 -297.27 ± 21.31 100 147 3 0 0 -887.58 ± 222.18
471663 ncm-dbt-03 584285 500 5 355 140 -301.32 ± 23.06 107 136 7 0 0 -739.05 ± 163.27
471662 ncm-dbt-04 570669 500 1 369 130 -327.17 ± 24.67 121 126 3 0 0 -887.58 ± 222.18
471661 ncm-dbt-01 585295 500 3 343 154 -288.06 ± 20.58 94 152 4 0 0 -837.28 ± 240.94

Commit

Commit ID 31b82432729fe7a957b84f2c8189c54f401a855f
Author Joost VandeVondele
Date 2018-05-30 11:38:11 UTC
Simplify depth reduction in IID. Use a constant reduction instead of a depth dependent reduction. passed STC: http://tests.stockfishchess.org/tests/view/5b06eb600ebc5914abc12ba8 LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 58086 W: 11710 L: 11657 D: 34719 passed LTC: http://tests.stockfishchess.org/tests/view/5b07b25e0ebc5914abc12c6d LLR: 3.09 (-2.94,2.94) [-3.00,1.00] Total: 110414 W: 16217 L: 16219 D: 77978 Bench: 4521056
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