Dev Builds » 20220529-1714

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 06:50:21 583964 4000 1086 983 1931 +8.95 ± 5.06 2 381 1134 478 5 +17.39 ± 10.02
ncm-dbt-02 06:51:18 586158 3994 1080 959 1955 +10.53 ± 5.17 2 390 1096 503 6 +20.38 ± 10.23
ncm-dbt-03 06:52:20 587357 4018 1101 946 1971 +13.41 ± 5.19 5 377 1089 534 4 +27.03 ± 10.28
ncm-dbt-04 06:50:58 570044 4000 1055 973 1972 +7.12 ± 5.26 5 418 1072 500 5 +14.25 ± 10.37
ncm-dbt-05 06:51:34 584146 3988 1081 923 1984 +13.77 ± 5.11 1 364 1111 512 6 +26.71 ± 10.14
20000 5403 4784 9813 +10.76 ± 2.31 15 1930 5502 2527 26 +21.15 ± 4.57

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
398136 ncm-dbt-03 587367 18 6 4 8 +38.76 ± 108.88 0 3 1 5 0 +78.52 ± 270.16 ↓
398135 ncm-dbt-05 582152 488 128 116 244 +8.55 ± 14.34 0 47 138 59 0 +17.1 ± 28.79 ↓
398134 ncm-dbt-02 586901 494 135 123 236 +8.44 ± 15.94 1 58 116 72 0 +18.3 ± 31.65 ↓
398133 ncm-dbt-01 583154 500 131 141 228 -6.95 ± 13.74 1 53 151 45 0 -12.51 ± 27.15 ↓
398132 ncm-dbt-04 570509 500 129 118 253 +7.64 ± 14.46 0 51 137 62 0 +15.3 ± 29.02 ↓
398131 ncm-dbt-03 586816 500 147 113 240 +23.66 ± 15.08 2 39 133 75 1 +48.96 ± 29.49 ↓
398130 ncm-dbt-02 586816 500 137 125 238 +8.34 ± 14.39 0 50 138 62 0 +16.69 ± 28.89 ↓
398129 ncm-dbt-05 587282 500 133 112 255 +14.6 ± 14.78 0 47 137 64 2 +26.46 ± 29.0 ↓
398128 ncm-dbt-04 569430 500 133 116 251 +11.82 ± 15.55 1 54 122 73 0 +25.06 ± 30.9 ↓
398127 ncm-dbt-01 585548 500 151 118 231 +22.96 ± 14.13 0 37 145 66 2 +43.3 ± 27.89 ↓
398126 ncm-dbt-03 587113 500 130 114 256 +11.12 ± 15.0 0 52 131 66 1 +20.87 ± 29.78 ↓
398125 ncm-dbt-02 584495 500 136 129 235 +4.86 ± 14.98 0 57 129 64 0 +9.73 ± 30.04 ↓
398124 ncm-dbt-05 585759 500 136 115 249 +14.6 ± 13.87 0 42 145 63 0 +29.25 ± 27.93 ↓
398123 ncm-dbt-04 570348 500 132 135 233 -2.08 ± 14.99 1 58 135 55 1 -4.17 ± 29.28 ↓
398122 ncm-dbt-01 581985 500 115 131 254 -11.12 ± 14.24 1 60 143 46 0 -20.87 ± 28.22 ↓
398121 ncm-dbt-03 587664 500 128 119 253 +6.25 ± 14.6 0 53 135 62 0 +12.51 ± 29.28 ↓
398120 ncm-dbt-02 587919 500 125 110 265 +10.43 ± 14.44 0 49 137 64 0 +20.87 ± 29.01 ↓
398119 ncm-dbt-05 580904 500 137 109 254 +19.48 ± 14.13 0 40 143 66 1 +37.67 ± 28.18 ↓
398118 ncm-dbt-04 569350 500 141 128 231 +9.04 ± 15.57 1 55 125 68 1 +18.08 ± 30.53 ↓
398117 ncm-dbt-01 585632 500 138 115 247 +15.99 ± 13.72 0 40 147 63 0 +32.05 ± 27.65 ↓
398116 ncm-dbt-03 587749 500 148 124 228 +16.69 ± 14.69 1 44 135 70 0 +34.86 ± 29.25 ↓
398115 ncm-dbt-02 587452 500 131 125 244 +4.17 ± 13.2 0 43 159 47 1 +6.95 ± 26.03 ↓
398114 ncm-dbt-05 585084 500 140 135 225 +3.47 ± 14.74 1 52 139 57 1 +6.95 ± 28.76 ↓
398113 ncm-dbt-04 567086 500 129 119 252 +6.95 ± 14.27 0 49 143 57 1 +12.51 ± 28.23 ↓
398112 ncm-dbt-01 584076 500 137 120 243 +11.82 ± 14.17 0 46 141 63 0 +23.66 ± 28.48 ↓
398111 ncm-dbt-03 587452 500 137 120 243 +11.82 ± 13.9 0 43 148 58 1 +22.27 ± 27.54 ↓
398110 ncm-dbt-02 584117 500 146 121 233 +17.39 ± 14.49 1 42 138 69 0 +36.26 ± 28.86 ↓
398109 ncm-dbt-05 584327 500 130 108 262 +15.3 ± 13.52 0 39 150 61 0 +30.65 ± 27.24 ↓
398108 ncm-dbt-04 571431 500 130 118 252 +8.34 ± 14.65 0 51 137 61 1 +15.3 ± 29.02 ↓
398107 ncm-dbt-01 584369 500 123 117 260 +4.17 ± 14.41 0 52 141 56 1 +6.95 ± 28.5 ↓
398106 ncm-dbt-03 587877 500 127 114 259 +9.03 ± 14.58 0 50 138 61 1 +16.69 ± 28.89 ↓
398105 ncm-dbt-02 584453 500 147 112 241 +24.36 ± 15.01 0 41 137 68 4 +43.3 ± 28.97 ↓
398104 ncm-dbt-05 585885 500 153 115 232 +26.46 ± 15.15 0 45 122 83 0 +53.22 ± 30.91 ↓
398103 ncm-dbt-04 568395 500 132 119 249 +9.04 ± 14.83 1 49 137 62 1 +18.08 ± 29.01 ↓
398102 ncm-dbt-01 585632 500 156 127 217 +20.17 ± 14.96 0 46 130 73 1 +39.08 ± 29.9 ↓
398101 ncm-dbt-03 586646 500 144 121 235 +15.99 ± 15.02 2 44 133 71 0 +34.86 ± 29.51 ↓
398100 ncm-dbt-02 587113 500 123 114 263 +6.25 ± 14.34 0 50 142 57 1 +11.12 ± 28.37 ↓
398099 ncm-dbt-05 581777 500 124 113 263 +7.64 ± 14.84 0 52 137 59 2 +12.51 ± 29.02 ↓
398098 ncm-dbt-01 581319 500 135 114 251 +14.6 ± 14.65 0 47 136 66 1 +27.85 ± 29.13 ↓
398097 ncm-dbt-04 573810 500 129 120 251 +6.26 ± 14.72 1 51 136 62 0 +13.9 ± 29.15 ↓
398096 ncm-dbt-03 587537 500 134 117 249 +11.82 ± 14.56 0 49 135 66 0 +23.66 ± 29.27 ↓

Commit

Commit ID 4c7de9e8abd8d5dc71d0c85dddd75a7b244600d7
Author xoto10
Date 2022-05-29 17:14:20 UTC
Adjust scale param higher xoto10's scaleopt tune resulted in a yellow LTC, but the main parameter shift looked almost exactly like the tune rate reduction schedule, so further increases of that param were tried. Joint work xoto10 and dubslow. passed LTC: https://tests.stockfishchess.org/tests/view/628c709372775f382300f03e LLR: 2.93 (-2.94,2.94) <0.50,3.00> Total: 70112 W: 18932 L: 18584 D: 32596 Ptnml(0-2): 66, 6904, 20757, 7274, 55 failed STC: https://tests.stockfishchess.org/tests/view/6290e4441e7cd5f29966bdc8 LLR: -2.96 (-2.94,2.94) <0.00,2.50> Total: 59976 W: 15919 L: 16018 D: 28039 Ptnml(0-2): 250, 6791, 15974, 6754, 219 similar LTC's were yellow first yellow LTC: https://tests.stockfishchess.org/tests/view/6288a33f817227d3e5c5b05d double exaggerate yellow: https://tests.stockfishchess.org/tests/live_elo/628e140372775f38230129a6 triple exaggerate yellow: https://tests.stockfishchess.org/tests/live_elo/628e2caf72775f3823012d45 closes https://github.com/official-stockfish/Stockfish/pull/4036 bench 6410652
Copyright 2011–2025 Next Chess Move LLC
Feedback & Support Terms of Service Privacy Policy Desktop Version