Dev Builds » 20230525-1837

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 09:55:33 1108952 3342 1397 272 1673 +121.7 +/- 5.12 0 35 505 1102 29 +272.94 +/- 15.15
ncm-dbt-02 09:51:24 1234350 3314 1372 310 1632 +115.4 +/- 5.38 2 52 512 1064 27 +255.2 +/- 15.07
ncm-dbt-03 09:56:07 1233095 3324 1395 278 1651 +121.47 +/- 5.42 0 52 481 1089 40 +268.17 +/- 15.55
ncm-dbt-04 09:55:18 1218170 3352 1404 282 1666 +120.96 +/- 5.23 0 44 498 1102 32 +269.58 +/- 15.27
ncm-dbt-05 09:53:16 1230666 3316 1376 304 1636 +116.5 +/- 5.42 0 53 517 1051 37 +254.3 +/- 14.99
ncm-dbt-06 09:54:51 1224371 3352 1420 277 1655 +123.41 +/- 5.34 2 44 477 1115 38 +275.76 +/- 15.61
20000 8364 1723 9913 +119.91 +/- 2.17 4 280 2990 6523 203 +265.9 +/- 6.23

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
189715 ncm-dbt-02 1242370 314 129 33 152 +109.73 +/- 19.65 0 12 40 102 3 +236.7 +/- 53.43
189714 ncm-dbt-05 1229386 316 129 31 156 +111.41 +/- 18.68 0 8 48 98 4 +238.09 +/- 49.75
189713 ncm-dbt-03 1230369 324 137 32 155 +116.8 +/- 17.43 0 5 51 102 4 +253.85 +/- 48.32
189712 ncm-dbt-01 1116872 342 144 27 171 +123.85 +/- 15.47 0 4 47 119 1 +287.01 +/- 50.49
189711 ncm-dbt-04 1218959 352 141 33 178 +110.14 +/- 16.24 0 6 58 110 2 +242.06 +/- 45.21
189710 ncm-dbt-06 1237077 352 157 24 171 +138.12 +/- 15.07 0 2 43 127 4 +324.88 +/- 52.89
189703 ncm-dbt-02 1231600 500 209 54 237 +111.37 +/- 14.84 1 9 81 152 7 +238.66 +/- 38.15
189702 ncm-dbt-05 1241628 500 205 46 249 +114.45 +/- 13.72 0 8 79 159 4 +251.89 +/- 38.63
189701 ncm-dbt-03 1242384 500 216 37 247 +130.14 +/- 14.06 0 10 56 179 5 +298.62 +/- 45.75
189700 ncm-dbt-04 1211568 500 212 40 248 +124.6 +/- 13.62 0 5 75 163 7 +275.45 +/- 39.63
189699 ncm-dbt-01 1097915 500 202 38 260 +118.33 +/- 13.17 0 3 86 155 6 +258.75 +/- 36.62
189698 ncm-dbt-06 1221148 500 212 38 250 +126.17 +/- 14.29 0 8 68 166 8 +277.93 +/- 41.74
189691 ncm-dbt-02 1220661 500 203 51 246 +109.07 +/- 13.89 0 9 84 153 4 +236.51 +/- 37.42
189690 ncm-dbt-03 1237968 500 208 43 249 +119.11 +/- 13.86 0 9 71 166 4 +265.78 +/- 40.81
189689 ncm-dbt-05 1216670 500 206 44 250 +116.77 +/- 14.04 0 9 75 161 5 +256.44 +/- 39.69
189688 ncm-dbt-04 1221254 500 204 47 249 +112.91 +/- 14.54 0 12 74 159 5 +245.2 +/- 39.87
189687 ncm-dbt-01 1114934 500 216 34 250 +132.54 +/- 13.1 0 5 63 177 5 +306.84 +/- 43.45
189686 ncm-dbt-06 1233418 500 204 43 253 +116.0 +/- 13.88 0 9 75 162 4 +256.44 +/- 39.69
189679 ncm-dbt-02 1241086 500 207 52 241 +111.37 +/- 13.39 0 7 84 156 3 +245.2 +/- 37.37
189678 ncm-dbt-04 1225884 500 214 49 237 +119.11 +/- 12.8 0 4 80 163 3 +268.17 +/- 38.21
189677 ncm-dbt-03 1219577 500 212 33 255 +130.14 +/- 14.4 0 11 55 178 6 +295.94 +/- 46.0
189676 ncm-dbt-05 1226084 500 204 40 256 +118.33 +/- 13.35 0 5 81 159 5 +261.07 +/- 38.02
189675 ncm-dbt-01 1112182 500 203 40 257 +117.55 +/- 13.53 0 8 74 165 3 +263.42 +/- 39.97
189674 ncm-dbt-06 1220813 500 216 50 234 +119.89 +/- 14.02 1 8 68 170 3 +273.0 +/- 41.7
189667 ncm-dbt-04 1210725 500 225 42 233 +133.34 +/- 12.89 0 3 67 174 6 +306.84 +/- 41.99
189666 ncm-dbt-02 1234933 500 214 37 249 +128.55 +/- 13.19 1 3 68 174 4 +298.62 +/- 41.71
189665 ncm-dbt-05 1229998 500 210 46 244 +118.33 +/- 14.03 0 8 76 160 6 +258.75 +/- 39.42
189664 ncm-dbt-03 1244633 500 209 54 237 +111.37 +/- 14.22 0 8 86 149 7 +236.51 +/- 36.93
189663 ncm-dbt-06 1229376 500 212 35 253 +128.55 +/- 13.37 1 4 66 175 4 +298.62 +/- 42.41
189662 ncm-dbt-01 1106105 500 206 35 259 +123.81 +/- 14.15 0 8 70 165 7 +273.0 +/- 41.13
189655 ncm-dbt-02 1236607 500 206 46 248 +115.22 +/- 12.67 0 4 84 160 2 +258.75 +/- 37.2
189654 ncm-dbt-05 1229045 500 213 53 234 +115.22 +/- 14.05 0 8 80 156 6 +249.64 +/- 38.38
189653 ncm-dbt-04 1213328 500 205 29 266 +127.76 +/- 13.21 0 4 72 168 6 +288.06 +/- 40.46
189652 ncm-dbt-06 1221491 500 214 43 243 +123.81 +/- 14.15 0 6 76 159 9 +268.17 +/- 39.39
189651 ncm-dbt-01 1106330 500 214 51 235 +117.55 +/- 12.64 0 4 81 163 2 +265.78 +/- 37.95
189650 ncm-dbt-03 1231344 500 214 38 248 +127.76 +/- 13.57 0 4 74 164 8 +282.94 +/- 39.86
189469 ncm-dbt-04 1225475 500 203 42 255 +116.0 +/- 13.88 0 10 72 165 3 +258.75 +/- 40.49
189468 ncm-dbt-05 1241857 500 209 44 247 +119.11 +/- 14.03 0 7 78 158 7 +258.75 +/- 38.88
189467 ncm-dbt-01 1108330 500 212 47 241 +119.11 +/- 12.99 0 3 84 158 5 +263.42 +/- 37.11
189466 ncm-dbt-02 1233199 500 204 37 259 +120.67 +/- 13.67 0 8 71 167 4 +270.57 +/- 40.83
189465 ncm-dbt-03 1225390 500 199 41 260 +113.68 +/- 13.55 0 5 88 151 6 +245.2 +/- 36.32
189464 ncm-dbt-06 1207275 500 205 44 251 +116.0 +/- 13.88 0 7 81 156 6 +251.89 +/- 38.11

Commit

Commit ID b64c97825eb473d9b5cbdb67afe65a8ac0d5ec9f
Author Muzhen Gaming
Date 2023-05-25 18:37:53 UTC
Simplify delta calculation in aspiration window Simplification STC: https://tests.stockfishchess.org/tests/view/6468cb200db5177f2b76ecbb LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 220416 W: 58503 L: 58487 D: 103426 Ptnml(0-2): 596, 24384, 60188, 24488, 552 Simplification LTC: https://tests.stockfishchess.org/tests/view/646a15840db5177f2b770704 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 177756 W: 47882 L: 47825 D: 82049 Ptnml(0-2): 55, 17430, 53858, 17473, 62 closes https://github.com/official-stockfish/Stockfish/pull/4581 Bench: 2304063
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