Dev Builds » 20230922-1702

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 09:56:13 1149492 3342 1464 268 1610 +130.09 +/- 5.33 0 44 433 1148 46 +293.43 +/- 16.39
ncm-dbt-02 09:52:00 1154893 3300 1438 299 1563 +125.05 +/- 5.48 0 48 464 1089 49 +275.83 +/- 15.83
ncm-dbt-03 09:55:06 1174214 3352 1478 289 1585 +128.84 +/- 5.19 0 33 465 1134 44 +290.12 +/- 15.8
ncm-dbt-04 09:56:19 1172518 3352 1465 293 1594 +126.83 +/- 5.14 0 27 493 1113 43 +283.98 +/- 15.31
ncm-dbt-05 09:52:19 1226139 3314 1450 266 1598 +129.86 +/- 5.27 0 32 458 1118 49 +291.3 +/- 15.92
ncm-dbt-06 09:57:32 1221581 3340 1445 254 1641 +129.58 +/- 5.2 0 33 457 1136 44 +292.51 +/- 15.94
20000 8740 1669 9591 +128.38 +/- 2.15 0 217 2770 6738 275 +287.81 +/- 6.47

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
204330 ncm-dbt-02 1195589 102 41 11 50 +105.29 +/- 31.42 0 3 15 33 0 +234.51 +/- 91.63
204329 ncm-dbt-01 1178781 122 52 9 61 +127.93 +/- 26.11 0 1 17 42 1 +293.63 +/- 86.58
204328 ncm-dbt-04 1219117 126 46 15 65 +87.27 +/- 26.89 0 3 26 34 0 +187.19 +/- 67.98
204327 ncm-dbt-03 1214348 126 53 8 65 +129.79 +/- 22.26 0 0 18 45 0 +311.24 +/- 82.95
204326 ncm-dbt-05 1214345 314 138 29 147 +125.83 +/- 15.87 0 1 49 104 3 +284.95 +/- 48.86
204325 ncm-dbt-06 1211841 340 146 29 165 +124.64 +/- 16.79 0 6 44 117 3 +282.05 +/- 52.14
204324 ncm-dbt-02 1198453 500 209 46 245 +117.55 +/- 13.36 0 6 79 161 4 +261.07 +/- 38.58
204323 ncm-dbt-04 1210204 500 222 61 217 +116.0 +/- 13.2 0 2 92 149 7 +249.64 +/- 35.13
204322 ncm-dbt-01 1236654 500 218 39 243 +130.14 +/- 13.7 0 8 60 177 5 +298.62 +/- 44.44
204321 ncm-dbt-03 1221018 500 221 44 235 +128.55 +/- 13.56 0 5 70 168 7 +288.06 +/- 41.11
204320 ncm-dbt-05 1238825 500 213 35 252 +129.35 +/- 13.72 0 6 67 170 7 +290.66 +/- 42.08
204319 ncm-dbt-06 1206819 500 202 32 266 +123.02 +/- 13.11 0 6 71 170 3 +280.42 +/- 40.83
204318 ncm-dbt-02 1195365 500 224 33 243 +139.81 +/- 13.07 0 3 61 178 8 +324.17 +/- 44.15
204317 ncm-dbt-04 1219155 500 214 30 256 +134.15 +/- 13.43 0 4 66 172 8 +304.07 +/- 42.38
204316 ncm-dbt-03 1207296 500 212 32 256 +130.94 +/- 12.95 0 4 67 174 5 +301.33 +/- 42.04
204315 ncm-dbt-01 1188098 500 222 43 235 +130.14 +/- 13.34 0 5 67 172 6 +295.94 +/- 42.08
204314 ncm-dbt-05 1231866 500 218 47 235 +123.81 +/- 13.98 0 5 78 158 9 +268.17 +/- 38.8
204313 ncm-dbt-06 1224926 500 224 43 233 +131.74 +/- 13.67 0 3 73 164 10 +290.66 +/- 40.08
204312 ncm-dbt-02 860112 500 210 46 244 +118.33 +/- 15.15 0 11 74 155 10 +249.64 +/- 39.91
204311 ncm-dbt-03 824733 500 217 52 231 +119.11 +/- 14.19 0 9 73 162 6 +261.07 +/- 40.24
204310 ncm-dbt-04 859504 500 217 47 236 +123.02 +/- 13.47 0 3 82 157 8 +268.17 +/- 37.61
204309 ncm-dbt-01 840870 500 216 40 244 +127.76 +/- 15.09 0 9 68 161 12 +273.0 +/- 41.7
204308 ncm-dbt-05 1226844 500 219 44 237 +126.97 +/- 12.85 0 4 71 171 4 +290.66 +/- 40.76
204307 ncm-dbt-02 1195255 198 83 13 102 +128.36 +/- 21.02 0 3 24 71 1 +299.28 +/- 71.82
204306 ncm-dbt-06 1205261 500 214 37 249 +128.55 +/- 13.01 0 4 70 171 5 +293.29 +/- 41.07
204305 ncm-dbt-01 1180966 220 94 18 108 +125.17 +/- 20.97 0 1 37 67 5 +266.65 +/- 56.41
204304 ncm-dbt-04 1239684 226 96 17 113 +126.79 +/- 20.56 0 3 31 76 3 +283.3 +/- 62.72
204303 ncm-dbt-03 1242443 226 91 22 113 +109.56 +/- 20.21 0 2 43 65 3 +232.3 +/- 52.07
204302 ncm-dbt-05 1211662 500 225 34 241 +139.81 +/- 13.07 0 4 58 181 7 +327.18 +/- 45.37
204301 ncm-dbt-06 1232687 500 219 40 241 +130.14 +/- 14.23 0 7 66 168 9 +288.06 +/- 42.4
204300 ncm-dbt-04 1224064 500 223 44 233 +130.14 +/- 13.34 0 6 64 175 5 +298.62 +/- 43.1
204299 ncm-dbt-02 1191432 500 227 58 215 +122.24 +/- 14.66 0 8 75 157 10 +261.07 +/- 39.69
204298 ncm-dbt-03 1232968 500 234 43 223 +139.81 +/- 12.87 0 2 63 177 8 +324.17 +/- 43.32
204297 ncm-dbt-01 1201843 500 222 31 247 +139.81 +/- 13.07 0 5 55 184 6 +330.23 +/- 46.62
204296 ncm-dbt-05 1237776 500 213 43 244 +123.02 +/- 14.49 0 8 73 160 9 +265.78 +/- 40.25
204295 ncm-dbt-03 1218233 500 217 49 234 +121.45 +/- 14.01 0 7 75 161 7 +265.78 +/- 39.69
204294 ncm-dbt-02 1193703 500 226 45 229 +131.74 +/- 14.37 0 8 62 171 9 +293.29 +/- 43.72
204293 ncm-dbt-06 1245819 500 215 31 254 +134.15 +/- 12.86 0 2 69 172 7 +306.84 +/- 41.23
204292 ncm-dbt-04 1193165 500 228 41 231 +136.56 +/- 12.39 0 1 67 176 6 +318.25 +/- 41.77
204291 ncm-dbt-01 1182576 500 224 42 234 +132.54 +/- 13.47 0 5 65 173 7 +301.33 +/- 42.75
204290 ncm-dbt-05 1221660 500 224 34 242 +138.99 +/- 13.67 0 4 62 174 10 +315.35 +/- 43.81
204289 ncm-dbt-03 1232673 500 233 39 228 +142.25 +/- 13.18 0 4 56 182 8 +333.32 +/- 46.21
204288 ncm-dbt-02 1209239 500 218 47 235 +123.81 +/- 13.81 0 6 74 163 7 +273.0 +/- 39.95
204287 ncm-dbt-01 1186150 500 216 46 238 +123.02 +/- 13.99 0 10 64 172 4 +277.93 +/- 42.91
204286 ncm-dbt-06 1223719 500 225 42 233 +133.34 +/- 13.45 0 5 64 174 7 +304.07 +/- 43.1
204285 ncm-dbt-04 1215252 500 219 38 243 +131.74 +/- 13.3 0 5 65 174 6 +301.33 +/- 42.75

Commit

Commit ID 0e32287af470dee230a30d9f513682c3ce798668
Author peregrineshahin
Date 2023-09-22 17:02:18 UTC
Reorder some lines Now that qsearch has its own repetition detection we can flip the order of lines and remove the guard of depth < 0 which is not needed after reordering (i.e. it was there to prevent checking repetition again at depth ==0). Passed STC: https://tests.stockfishchess.org/tests/view/6502ecbb2cd016da89abc3fb LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 69536 W: 17668 L: 17490 D: 34378 Ptnml(0-2): 190, 7652, 18929, 7784, 213 Passed LTC: https://tests.stockfishchess.org/tests/view/6505ce9072620bc881ea9086 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 52116 W: 13294 L: 13113 D: 25709 Ptnml(0-2): 26, 5176, 15471, 5361, 24 closes https://github.com/official-stockfish/Stockfish/pull/4791 No functional change
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