Dev Builds » 20220724-0718

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 06:54:52 583435 3990 1130 955 1905 +15.25 ± 5.12 5 347 1117 520 6 +30.38 ± 10.11
ncm-dbt-02 06:53:44 585956 4000 1135 926 1939 +18.17 ± 5.33 5 369 1047 570 9 +35.74 ± 10.51
ncm-dbt-03 06:54:22 583987 4010 1090 981 1939 +9.45 ± 5.16 8 382 1111 501 3 +19.78 ± 10.15
ncm-dbt-04 06:53:45 568777 4014 1129 981 1904 +12.82 ± 5.17 5 373 1105 517 7 +25.32 ± 10.19
ncm-dbt-05 06:55:16 579943 3986 1133 932 1921 +17.53 ± 5.27 3 369 1050 566 5 +34.81 ± 10.49
20000 5617 4775 9608 +14.64 ± 2.33 26 1840 5430 2674 30 +29.18 ± 4.6

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
432338 ncm-dbt-03 585590 10 4 3 3 +34.8 ± 62.53 0 0 4 1 0 +70.35 ± 134.03 ↓
432337 ncm-dbt-04 569390 14 5 4 5 +24.85 ± 84.38 0 1 4 2 0 +49.98 ± 184.5 ↓
432336 ncm-dbt-05 580945 486 149 108 229 +29.38 ± 14.68 0 37 128 78 0 +59.19 ± 30.07 ↓
432335 ncm-dbt-01 581693 490 135 109 246 +18.45 ± 15.36 3 39 133 69 1 +39.88 ± 29.45 ↓
432334 ncm-dbt-02 585885 500 138 112 250 +18.08 ± 15.17 1 47 127 75 0 +37.67 ± 30.28 ↓
432333 ncm-dbt-03 585674 500 134 134 232 0.0 ± 14.42 3 47 147 53 0 +4.17 ± 27.7 ↓
432332 ncm-dbt-04 568514 500 139 114 247 +17.39 ± 13.42 0 37 151 62 0 +34.86 ± 27.08 ↓
432331 ncm-dbt-05 577561 500 140 121 239 +13.21 ± 13.48 1 37 154 58 0 +27.85 ± 26.69 ↓
432330 ncm-dbt-01 582110 500 160 129 211 +21.57 ± 14.29 0 40 140 69 1 +41.89 ± 28.57 ↓
432329 ncm-dbt-02 585843 500 133 123 244 +6.95 ± 15.4 2 52 131 64 1 +15.3 ± 29.78 ↓
432328 ncm-dbt-04 565744 500 141 127 232 +9.73 ± 15.38 1 53 128 67 1 +19.48 ± 30.16 ↓
432327 ncm-dbt-03 585295 500 135 123 242 +8.34 ± 14.9 1 50 136 62 1 +16.69 ± 29.14 ↓
432326 ncm-dbt-05 577643 500 123 121 256 +1.39 ± 16.01 0 67 115 67 1 +1.39 ± 31.74 ↓
432325 ncm-dbt-01 581402 500 141 117 242 +16.69 ± 15.31 0 50 128 70 2 +30.65 ± 30.16 ↓
432324 ncm-dbt-02 587155 500 139 134 227 +3.47 ± 13.28 0 44 158 47 1 +5.56 ± 26.17 ↓
432323 ncm-dbt-03 585295 500 142 129 229 +9.04 ± 14.45 1 46 143 59 1 +18.08 ± 28.23 ↓
432322 ncm-dbt-04 570148 500 142 117 241 +17.39 ± 13.42 1 34 154 61 0 +36.26 ± 26.65 ↓
432321 ncm-dbt-01 584285 500 135 126 239 +6.25 ± 14.08 0 49 143 58 0 +12.51 ± 28.23 ↓
432320 ncm-dbt-05 576047 500 133 122 245 +7.64 ± 14.84 1 50 137 61 1 +15.3 ± 29.02 ↓
432319 ncm-dbt-02 587749 500 139 125 236 +9.73 ± 14.64 1 46 143 58 2 +18.08 ± 28.23 ↓
432318 ncm-dbt-03 581693 500 123 112 265 +7.64 ± 14.2 0 49 141 60 0 +15.3 ± 28.49 ↓
432317 ncm-dbt-04 569310 500 149 121 230 +19.48 ± 16.23 1 51 121 73 4 +34.86 ± 31.03 ↓
432316 ncm-dbt-05 580199 500 142 106 252 +25.06 ± 15.31 0 46 123 80 1 +48.96 ± 30.78 ↓
432315 ncm-dbt-01 583824 500 141 112 247 +20.17 ± 14.19 0 40 142 67 1 +39.08 ± 28.31 ↓
432314 ncm-dbt-02 585885 500 146 113 241 +22.96 ± 15.03 0 46 125 79 0 +46.13 ± 30.53 ↓
432313 ncm-dbt-04 568673 500 134 118 248 +11.12 ± 14.5 1 46 139 64 0 +23.66 ± 28.75 ↓
432312 ncm-dbt-03 584748 500 138 120 242 +12.51 ± 14.87 0 51 130 69 0 +25.06 ± 29.91 ↓
432311 ncm-dbt-05 581985 500 157 123 220 +23.66 ± 14.96 1 41 132 75 1 +47.55 ± 29.63 ↓
432310 ncm-dbt-02 583698 500 150 105 245 +31.35 ± 15.72 0 47 111 92 0 +63.23 ± 32.31 ↓
432309 ncm-dbt-01 583447 500 134 117 249 +11.82 ± 13.9 1 41 148 60 0 +25.06 ± 27.53 ↓
432308 ncm-dbt-04 568077 500 128 132 240 -2.78 ± 15.29 1 61 130 57 1 -5.56 ± 29.91 ↓
432307 ncm-dbt-03 582277 500 137 111 252 +18.08 ± 15.3 0 50 125 74 1 +34.86 ± 30.53 ↓
432306 ncm-dbt-02 586097 500 142 105 253 +25.76 ± 15.35 1 42 128 77 2 +50.38 ± 30.14 ↓
432305 ncm-dbt-05 579744 500 144 116 240 +19.48 ± 14.9 0 47 128 75 0 +39.08 ± 30.15 ↓
432304 ncm-dbt-04 569270 500 144 117 239 +18.78 ± 14.08 0 40 144 65 1 +36.26 ± 28.05 ↓
432303 ncm-dbt-01 586520 500 148 131 221 +11.82 ± 14.3 0 46 142 61 1 +22.27 ± 28.35 ↓
432302 ncm-dbt-03 580904 500 137 120 243 +11.82 ± 14.43 2 42 143 63 0 +26.46 ± 28.21 ↓
432301 ncm-dbt-04 569869 500 147 131 222 +11.12 ± 14.63 0 50 134 66 0 +22.27 ± 29.4 ↓
432300 ncm-dbt-02 585337 500 148 109 243 +27.15 ± 15.57 0 45 124 78 3 +50.38 ± 30.66 ↓
432299 ncm-dbt-01 584201 500 136 114 250 +15.3 ± 14.32 1 42 141 66 0 +32.05 ± 28.47 ↓
432298 ncm-dbt-03 584411 500 140 129 231 +7.65 ± 14.33 1 47 142 60 0 +16.69 ± 28.36 ↓
432297 ncm-dbt-05 585421 500 145 115 240 +20.87 ± 14.76 0 44 133 72 1 +40.48 ± 29.51 ↓

Commit

Commit ID c4a644922dc219aade86ea07c85e95899850fac8
Author Dubslow
Date 2022-07-24 07:18:38 UTC
Simplify reduction condition for cutNodes LMR: for cutNodes, dont exclude killer moves. This was a prelude to reducing allNodes, altho that's failed so far. STC https://tests.stockfishchess.org/tests/view/62d64ad147ae1768b34a27c3 LLR: 2.95 (-2.94,2.94) <-2.25,0.25> Total: 37064 W: 10044 L: 9889 D: 17131 Ptnml(0-2): 162, 4115, 9828, 4260, 167 LTC https://tests.stockfishchess.org/tests/view/62d66cc047ae1768b34a2b14 LLR: 2.94 (-2.94,2.94) <-2.25,0.25> Total: 39832 W: 10796 L: 10659 D: 18377 Ptnml(0-2): 69, 3969, 11706, 4100, 72 closes https://github.com/official-stockfish/Stockfish/pull/4109 bench: 5697891
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