Dev Builds » 20201231-1651

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 06:52:14 582111 4012 310 1851 1851 -140.66 ± 4.97 104 1362 511 29 0 -312.73 ± 15.07
ncm-dbt-02 06:50:37 586737 4000 297 1838 1865 -141.13 ± 4.94 96 1382 489 33 0 -317.16 ± 15.42
ncm-dbt-03 06:52:54 586632 3992 304 1825 1863 -139.41 ± 5.06 105 1347 508 36 0 -307.83 ± 15.13
ncm-dbt-04 06:51:12 567684 4000 276 1822 1902 -141.64 ± 4.93 98 1380 492 30 0 -318.25 ± 15.37
ncm-dbt-05 06:52:32 582959 3996 280 1811 1905 -140.27 ± 5.01 95 1382 480 41 0 -314.43 ± 15.57
20000 1467 9147 9386 -140.62 ± 2.23 498 6853 2480 169 0 -314.05 ± 6.84

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
446258 ncm-dbt-01 579909 12 3 4 5 -28.98 ± 52.84 0 1 5 0 0 -58.38 ± 110.52
446257 ncm-dbt-03 586646 492 39 225 228 -138.2 ± 15.45 15 164 59 8 0 -298.03 ± 44.81
446256 ncm-dbt-05 584916 496 31 225 240 -143.53 ± 14.53 15 168 61 4 0 -316.63 ± 44.18
446255 ncm-dbt-04 568037 500 29 230 241 -148.02 ± 13.15 12 178 59 1 0 -342.85 ± 44.76
446254 ncm-dbt-02 586097 500 33 227 240 -142.25 ± 13.18 8 182 56 4 0 -333.32 ± 46.21
446253 ncm-dbt-01 583237 500 31 234 235 -149.68 ± 14.06 12 185 47 6 0 -349.43 ± 50.38
446252 ncm-dbt-05 579166 500 34 221 245 -136.56 ± 13.36 8 175 63 4 0 -312.48 ± 43.44
446251 ncm-dbt-03 584916 500 37 221 242 -134.15 ± 14.5 14 160 72 4 0 -288.06 ± 40.46
446250 ncm-dbt-04 568872 500 35 239 226 -150.51 ± 15.65 19 174 49 8 0 -330.23 ± 49.05
446249 ncm-dbt-02 586985 500 43 232 225 -138.18 ± 14.59 13 169 62 6 0 -304.07 ± 43.81
446248 ncm-dbt-01 580033 500 46 242 212 -143.89 ± 14.44 17 164 67 2 0 -312.48 ± 41.9
446247 ncm-dbt-05 584411 500 36 237 227 -148.02 ± 15.2 18 171 55 6 0 -324.17 ± 46.56
446246 ncm-dbt-03 585674 500 42 237 221 -143.07 ± 14.64 18 161 69 2 0 -306.84 ± 41.23
446245 ncm-dbt-04 567165 500 31 220 249 -138.18 ± 12.33 7 175 68 0 0 -321.18 ± 41.27
446244 ncm-dbt-02 587749 500 23 234 243 -156.39 ± 12.73 12 188 49 1 0 -377.87 ± 49.47
446243 ncm-dbt-01 580738 500 43 231 226 -137.37 ± 14.08 11 171 63 5 0 -306.84 ± 43.45
446242 ncm-dbt-05 582778 500 39 236 225 -144.71 ± 15.46 18 168 57 7 0 -312.48 ± 45.66
446241 ncm-dbt-02 587070 500 36 227 237 -139.81 ± 14.72 13 172 58 7 0 -309.64 ± 45.27
446240 ncm-dbt-03 585843 500 31 221 248 -138.99 ± 14.39 10 178 54 8 0 -315.35 ± 46.8
446239 ncm-dbt-04 565390 500 35 228 237 -141.44 ± 14.68 13 174 56 7 0 -315.35 ± 46.07
446238 ncm-dbt-01 582110 500 38 228 234 -138.99 ± 13.48 8 179 58 5 0 -321.19 ± 45.36
446237 ncm-dbt-05 581610 500 41 221 238 -130.94 ± 14.39 10 167 66 7 0 -288.06 ± 42.4
446236 ncm-dbt-04 567720 500 32 222 246 -138.99 ± 14.03 12 170 64 4 0 -309.64 ± 43.08
446235 ncm-dbt-03 587622 500 42 233 225 -139.81 ± 14.72 17 160 70 3 0 -298.62 ± 41.01
446234 ncm-dbt-02 587282 500 47 226 227 -130.14 ± 13.7 11 159 78 2 0 -282.94 ± 38.55
446233 ncm-dbt-01 585548 500 36 231 233 -143.07 ± 14.1 15 167 66 2 0 -315.35 ± 42.24
446232 ncm-dbt-05 585928 500 32 219 249 -136.56 ± 12.98 7 176 64 3 0 -315.35 ± 43.03
446231 ncm-dbt-04 570669 500 38 224 238 -135.76 ± 13.01 7 175 65 3 0 -312.48 ± 42.67
446230 ncm-dbt-03 587622 500 35 219 246 -134.15 ± 12.86 6 175 66 3 0 -309.64 ± 42.33
446229 ncm-dbt-02 585295 500 38 222 240 -134.15 ± 13.8 10 168 68 4 0 -298.62 ± 41.71
446228 ncm-dbt-01 580696 500 34 224 242 -138.99 ± 14.91 15 166 63 6 0 -301.33 ± 43.45
446227 ncm-dbt-04 566217 500 45 234 221 -138.18 ± 14.41 13 168 64 5 0 -304.07 ± 43.1
446226 ncm-dbt-05 580116 500 32 232 236 -147.19 ± 13.96 10 187 46 7 0 -346.12 ± 50.75
446225 ncm-dbt-02 586689 500 38 236 226 -145.54 ± 14.57 15 173 57 5 0 -324.17 ± 45.77
446224 ncm-dbt-03 587452 500 32 233 235 -148.02 ± 13.93 15 173 60 2 0 -333.32 ± 44.47
446223 ncm-dbt-01 584201 500 35 225 240 -138.99 ± 13.1 10 171 68 1 0 -315.35 ± 41.44
446222 ncm-dbt-02 586731 500 39 234 227 -143.07 ± 14.28 14 171 61 4 0 -318.25 ± 44.18
446221 ncm-dbt-04 567403 500 31 225 244 -142.25 ± 14.12 15 166 67 2 0 -312.48 ± 41.9
446220 ncm-dbt-05 584748 500 35 220 245 -134.95 ± 13.41 9 170 68 3 0 -304.07 ± 41.65
446219 ncm-dbt-01 582527 500 44 232 224 -137.37 ± 14.43 16 158 74 2 0 -293.29 ± 39.69
446218 ncm-dbt-03 587282 500 46 236 218 -138.99 ± 14.03 10 176 58 6 0 -315.35 ± 45.33

Commit

Commit ID 8ec97d161ed82b7c1d8f1f05c305e9a55d8ccff3
Author Unai Corzo
Date 2020-12-31 16:51:14 UTC
Remove razoring has become ineffective now. STC https://tests.stockfishchess.org/tests/view/5fe653403932f79192d3981a LLR: 2.95 (-2.94,2.94) {-1.25,0.25} Total: 63448 W: 5965 L: 5934 D: 51549 Ptnml(0-2): 230, 4738, 21769, 4745, 242 LTC https://tests.stockfishchess.org/tests/view/5fe6f0f03932f79192d39856 LLR: 2.93 (-2.94,2.94) {-0.75,0.25} Total: 65368 W: 2485 L: 2459 D: 60424 Ptnml(0-2): 33, 2186, 28230, 2192, 43 closes https://github.com/official-stockfish/Stockfish/pull/3278 bench: 4493379
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