Dev Builds » 20230703-1633

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 09:55:05 1200500 3342 1430 271 1641 +125.7 +/- 5.26 0 37 481 1110 43 +280.34 +/- 15.54
ncm-dbt-02 09:51:47 1231982 3304 1389 286 1629 +120.61 +/- 5.52 2 55 472 1084 39 +266.54 +/- 15.69
ncm-dbt-03 09:55:37 1243526 3336 1401 280 1655 +121.47 +/- 5.41 0 48 495 1081 44 +266.78 +/- 15.32
ncm-dbt-04 09:55:49 1224257 3354 1428 305 1621 +120.99 +/- 5.46 0 54 492 1085 46 +264.73 +/- 15.37
ncm-dbt-05 09:52:12 1235425 3318 1396 282 1640 +121.36 +/- 5.42 1 42 504 1066 46 +266.0 +/- 15.18
ncm-dbt-06 09:54:36 1225180 3346 1420 292 1634 +121.89 +/- 5.27 0 39 508 1085 41 +269.2 +/- 15.11
20000 8464 1716 9820 +122.0 +/- 2.2 3 275 2952 6511 259 +268.89 +/- 6.27

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
195598 ncm-dbt-02 1234573 304 127 29 148 +116.14 +/- 20.16 0 11 36 101 4 +251.0 +/- 56.22
195597 ncm-dbt-05 1250871 318 129 34 155 +107.05 +/- 18.27 0 7 54 94 4 +226.17 +/- 46.89
195596 ncm-dbt-03 1217334 336 137 27 172 +118.09 +/- 17.3 0 4 56 102 6 +251.36 +/- 45.92
195595 ncm-dbt-01 1206445 342 148 27 167 +128.47 +/- 16.96 0 4 48 113 6 +283.27 +/- 49.93
195594 ncm-dbt-06 1230779 346 143 29 174 +118.9 +/- 15.13 0 1 60 109 3 +264.37 +/- 43.76
195593 ncm-dbt-04 1235881 354 149 24 181 +128.2 +/- 16.27 0 5 46 122 4 +290.41 +/- 51.06
195592 ncm-dbt-02 1224840 500 218 43 239 +126.97 +/- 14.11 1 7 63 174 5 +290.66 +/- 43.37
195591 ncm-dbt-05 1226852 500 211 39 250 +124.6 +/- 12.53 0 4 72 172 2 +288.06 +/- 40.46
195590 ncm-dbt-03 1237205 500 205 43 252 +116.77 +/- 14.37 0 10 74 160 6 +254.16 +/- 39.94
195589 ncm-dbt-01 1214002 500 214 36 250 +129.35 +/- 13.72 0 7 64 173 6 +293.29 +/- 43.07
195588 ncm-dbt-04 1214868 500 207 49 244 +113.68 +/- 14.38 0 10 78 156 6 +245.2 +/- 38.89
195587 ncm-dbt-06 1225119 500 216 46 238 +123.02 +/- 13.65 0 5 77 161 7 +270.57 +/- 39.07
195586 ncm-dbt-02 1236615 500 207 44 249 +117.55 +/- 14.36 1 10 67 169 3 +265.78 +/- 41.9
195585 ncm-dbt-05 1250375 500 211 30 259 +131.74 +/- 12.34 0 3 66 178 3 +309.64 +/- 42.33
195584 ncm-dbt-01 1166656 500 208 49 243 +114.45 +/- 14.05 0 8 81 155 6 +247.41 +/- 38.13
195583 ncm-dbt-03 1231202 500 211 42 247 +122.24 +/- 13.3 0 4 79 161 6 +270.57 +/- 38.47
195582 ncm-dbt-06 1239923 500 211 39 250 +124.6 +/- 15.12 0 12 63 166 9 +270.57 +/- 43.07
195581 ncm-dbt-04 1226883 500 219 53 228 +119.89 +/- 13.85 0 6 79 158 7 +261.07 +/- 38.58
195580 ncm-dbt-02 1229566 500 203 36 261 +120.67 +/- 14.18 0 9 71 164 6 +265.78 +/- 40.81
195579 ncm-dbt-05 1214317 500 206 52 242 +110.6 +/- 14.99 1 9 83 149 8 +234.38 +/- 37.67
195578 ncm-dbt-01 1209109 500 231 35 234 +143.89 +/- 13.89 0 3 61 173 13 +324.17 +/- 44.15
195577 ncm-dbt-03 1268603 500 210 41 249 +122.24 +/- 14.17 0 8 72 163 7 +268.17 +/- 40.54
195576 ncm-dbt-06 1215320 500 218 48 234 +123.02 +/- 13.29 0 5 75 165 5 +275.45 +/- 39.63
195575 ncm-dbt-04 1226630 500 218 41 241 +128.55 +/- 14.42 0 10 60 173 7 +288.06 +/- 44.27
195574 ncm-dbt-02 1223262 500 214 35 251 +130.14 +/- 13.52 0 1 80 158 11 +282.94 +/- 37.88
195573 ncm-dbt-05 1236053 500 203 38 259 +119.11 +/- 13.86 0 5 83 154 8 +256.44 +/- 37.51
195572 ncm-dbt-03 1261332 500 212 39 249 +125.38 +/- 14.13 0 7 71 164 8 +275.45 +/- 40.84
195571 ncm-dbt-06 1212055 500 210 34 256 +127.76 +/- 12.84 0 5 67 175 3 +295.94 +/- 42.08
195570 ncm-dbt-01 1206477 500 208 38 254 +123.02 +/- 13.11 0 5 74 167 4 +277.93 +/- 39.92
195569 ncm-dbt-04 1213461 500 215 53 232 +116.77 +/- 14.04 0 6 84 152 8 +249.64 +/- 37.33
195568 ncm-dbt-02 1248717 500 212 54 234 +113.68 +/- 14.54 0 11 76 157 6 +245.2 +/- 39.38
195567 ncm-dbt-05 1227590 500 226 51 223 +126.97 +/- 14.61 0 6 75 157 12 +270.57 +/- 39.67
195566 ncm-dbt-01 1191981 500 211 44 245 +120.67 +/- 12.78 0 4 78 165 3 +273.0 +/- 38.74
195565 ncm-dbt-03 1245198 500 213 44 243 +122.24 +/- 14.5 0 9 71 162 8 +265.78 +/- 40.81
195564 ncm-dbt-04 1230969 500 214 39 247 +126.97 +/- 14.78 0 9 67 164 10 +275.45 +/- 42.01
195563 ncm-dbt-06 1231883 500 214 40 246 +126.17 +/- 12.87 0 3 75 167 5 +285.49 +/- 39.5
195562 ncm-dbt-06 1221184 500 208 56 236 +109.07 +/- 14.53 0 8 91 142 9 +226.0 +/- 35.82
195561 ncm-dbt-02 1226306 500 208 45 247 +117.55 +/- 13.36 0 6 79 161 4 +261.07 +/- 38.58
195560 ncm-dbt-05 1241921 500 210 38 252 +124.6 +/- 14.47 0 8 71 162 9 +270.57 +/- 40.83
195559 ncm-dbt-04 1221111 500 206 46 248 +115.22 +/- 13.72 0 8 78 160 4 +254.16 +/- 38.89
195558 ncm-dbt-03 1243812 500 213 44 243 +122.24 +/- 13.12 0 6 72 169 3 +277.93 +/- 40.53
195557 ncm-dbt-01 1208836 500 210 42 248 +121.45 +/- 13.49 0 6 75 164 5 +270.57 +/- 39.67

Commit

Commit ID 5f8480a730cbc789d230dd28f276b8d35ce0a8a4
Author Muzhen Gaming
Date 2023-07-03 16:33:27 UTC
Simplify score improvement reduction Reduce depth by 2 based on score improvement, only for depths 3 to 11. Simplification STC: https://tests.stockfishchess.org/tests/view/64929a53dc7002ce609c7807 LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 238912 W: 63466 L: 63468 D: 111978 Ptnml(0-2): 564, 26262, 65805, 26262, 563 Simplification LTC: https://tests.stockfishchess.org/tests/view/64942e47dc7002ce609c9e07 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 64452 W: 17485 L: 17320 D: 29647 Ptnml(0-2): 19, 6161, 19706, 6316, 24 closes https://github.com/official-stockfish/Stockfish/pull/4637 Bench: 2740142
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