Dev Builds » 20240320-1514

You are viewing an old NCM Stockfish dev build test. You may find the most recent dev build tests using Stockfish 15 as the baseline here.

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 14. 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 10:30:19 1199515 3604 1598 279 1727 +133.34 ± 4.98 1 28 477 1243 53 +303.46 ± 15.6
ncm-dbt-02 10:30:44 1227955 3602 1602 239 1761 +138.35 ± 4.94 1 28 433 1285 54 +320.73 ± 16.39
ncm-dbt-03 10:33:41 1242544 3612 1617 272 1723 +135.91 ± 4.89 0 32 443 1285 46 +314.82 ± 16.2
ncm-dbt-04 05:50:29 1234975 2000 873 147 980 +132.14 ± 6.57 0 20 255 704 21 +304.76 ± 21.39
ncm-dbt-05 10:35:34 1229279 3588 1594 260 1734 +135.68 ± 5.06 2 40 421 1284 47 +314.27 ± 16.62
ncm-dbt-06 10:34:04 1226489 3594 1616 261 1717 +137.79 ± 4.95 0 27 445 1268 57 +317.02 ± 16.16
20000 8900 1458 9642 +135.8 ± 2.1 4 175 2474 7069 278 +313.05 ± 6.85

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
339329 ncm-dbt-05 1256031 88 35 2 51 +136.96 ± 28.93 0 1 9 34 0 +338.04 ± 126.79
339328 ncm-dbt-06 1233863 94 45 10 39 +135.88 ± 32.65 0 0 15 29 3 +288.59 ± 91.06
339327 ncm-dbt-02 1237656 102 41 3 58 +135.96 ± 26.58 0 0 14 36 1 +319.32 ± 95.72
339326 ncm-dbt-01 1231657 104 47 3 54 +156.83 ± 30.78 0 0 12 36 4 +353.81 ± 105.82
339325 ncm-dbt-03 1241373 112 48 5 59 +140.58 ± 26.75 0 1 12 42 1 +338.04 ± 106.57
339324 ncm-dbt-06 1214219 500 220 41 239 +130.14 ± 14.06 0 9 59 176 6 +295.94 ± 44.72
339323 ncm-dbt-02 1229487 500 222 31 247 +139.81 ± 12.87 0 5 54 186 5 +333.32 ± 47.06
339322 ncm-dbt-05 1223431 500 218 51 231 +120.67 ± 13.5 0 8 70 169 3 +273.0 ± 41.13
339321 ncm-dbt-03 1233612 500 223 37 240 +135.76 ± 13.76 0 8 54 182 6 +315.35 ± 46.8
339320 ncm-dbt-01 1179434 500 227 40 233 +136.56 ± 13.55 0 5 61 176 8 +312.48 ± 44.19
339319 ncm-dbt-06 1237698 500 234 32 234 +148.85 ± 13.11 0 2 55 182 11 +349.43 ± 46.59
339318 ncm-dbt-05 1204671 500 226 37 237 +138.18 ± 14.93 1 9 49 182 9 +318.25 ± 48.69
339317 ncm-dbt-03 1251162 500 229 33 238 +143.89 ± 12.51 0 3 54 187 6 +346.12 ± 47.1
339316 ncm-dbt-02 1216050 500 229 39 232 +138.99 ± 13.85 1 4 57 180 8 +324.17 ± 45.77
339315 ncm-dbt-01 1192745 500 219 30 251 +138.18 ± 12.73 0 4 58 183 5 +327.18 ± 45.37
339314 ncm-dbt-06 1214948 500 222 38 240 +134.15 ± 13.05 0 3 67 173 7 +306.84 ± 41.99
339313 ncm-dbt-03 1257254 500 224 34 242 +138.99 ± 12.9 0 2 64 176 8 +321.19 ± 42.95
339312 ncm-dbt-05 1236505 500 227 37 236 +138.99 ± 13.67 0 6 56 180 8 +321.19 ± 46.14
339311 ncm-dbt-02 1233338 500 229 31 240 +145.54 ± 14.2 0 5 55 177 13 +330.23 ± 46.62
339310 ncm-dbt-01 1215299 500 215 35 250 +130.94 ± 13.69 0 5 68 169 8 +293.29 ± 41.75
339056 ncm-dbt-05 1241925 500 221 28 251 +141.44 ± 13.01 0 4 56 183 7 +333.32 ± 46.21
339055 ncm-dbt-02 1223163 500 217 31 252 +135.76 ± 12.62 0 2 66 176 6 +315.35 ± 42.24
339054 ncm-dbt-06 1212494 500 233 27 240 +152.18 ± 12.74 0 1 53 185 11 +363.2 ± 47.43
339053 ncm-dbt-03 1227721 500 222 47 231 +126.97 ± 13.76 0 6 70 167 7 +282.94 ± 41.13
339052 ncm-dbt-04 1231633 500 214 40 246 +126.17 ± 13.6 0 8 64 174 4 +288.06 ± 43.03
339051 ncm-dbt-01 1183198 500 218 45 237 +125.39 ± 13.61 1 3 74 166 6 +282.94 ± 39.86
339050 ncm-dbt-05 1221810 500 225 29 246 +143.89 ± 13.31 1 4 49 190 6 +349.43 ± 49.46
339049 ncm-dbt-04 1254367 500 215 32 253 +133.34 ± 12.69 0 2 69 173 6 +306.84 ± 41.23
339048 ncm-dbt-02 1228920 500 229 28 243 +148.02 ± 12.32 0 2 52 189 7 +359.68 ± 48.01
339047 ncm-dbt-06 1222988 500 223 39 238 +134.15 ± 13.61 0 5 64 173 8 +304.07 ± 43.1
339046 ncm-dbt-03 1229449 500 219 39 242 +130.94 ± 13.14 0 4 68 172 6 +298.62 ± 41.71
339045 ncm-dbt-01 1232367 500 216 48 236 +121.45 ± 13.14 0 3 82 159 6 +268.17 ± 37.61
339044 ncm-dbt-05 1213833 500 220 36 244 +134.15 ± 13.05 0 3 67 173 7 +306.84 ± 41.99
339043 ncm-dbt-04 1214937 500 222 40 238 +132.54 ± 13.28 0 5 64 175 6 +304.07 ± 43.1
339042 ncm-dbt-01 1199112 500 221 43 236 +129.35 ± 13.36 0 6 65 174 5 +295.94 ± 42.75
339041 ncm-dbt-03 1265708 500 227 40 233 +136.56 ± 13.17 0 6 56 183 5 +321.19 ± 46.14
339040 ncm-dbt-02 1226876 500 218 34 248 +134.15 ± 12.47 0 2 67 176 5 +312.48 ± 41.9
339039 ncm-dbt-06 1233280 500 212 40 248 +124.6 ± 13.09 0 4 75 166 5 +280.42 ± 39.57
339038 ncm-dbt-04 1238963 500 222 35 243 +136.56 ± 12.98 0 5 58 182 5 +321.19 ± 45.36
339037 ncm-dbt-02 1228150 500 217 42 241 +126.97 ± 14.45 0 8 68 165 9 +277.93 ± 41.74
339036 ncm-dbt-05 1236032 500 222 40 238 +132.54 ± 13.47 0 5 65 173 7 +301.33 ± 42.75
339035 ncm-dbt-01 1162309 500 235 35 230 +147.19 ± 13.18 0 2 57 180 11 +342.85 ± 45.71
339034 ncm-dbt-03 1234075 500 225 37 238 +137.37 ± 12.76 0 2 65 176 7 +318.25 ± 42.59
339033 ncm-dbt-06 1242422 500 227 34 239 +141.44 ± 12.61 0 3 57 184 6 +336.46 ± 45.77

Commit

Commit ID ed604600042a4f2c0023ac9a189215e50fc7aa0f
Author Michael Chaly
Date 2024-03-20 15:14:00 UTC
Clamp history bonus to stats range Before, one always had to keep track of the bonus one assigns to a history to stop the stats from overflowing. This is a quality of life improvement. Since this would often go unnoticed during benching. Passed non-regression bounds: https://tests.stockfishchess.org/tests/view/65ef2af40ec64f0526c44cbc LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 179232 W: 46513 L: 46450 D: 86269 Ptnml(0-2): 716, 20323, 47452, 20432, 693 closes https://github.com/official-stockfish/Stockfish/pull/5116 No functional change
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