Dev Builds » 20230313-2341

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 05:44:02 1265257 1912 806 179 927 +118.3 +/- 7.09 0 28 295 611 22 +259.24 +/- 19.86
ncm-dbt-02 09:58:50 1249283 3224 1315 324 1585 +110.36 +/- 5.6 0 66 520 995 31 +238.41 +/- 14.95
ncm-dbt-03 10:06:16 1251603 3290 1344 286 1660 +115.84 +/- 5.44 0 51 523 1033 38 +251.93 +/- 14.9
ncm-dbt-04 10:04:22 1203195 3272 1398 281 1593 +123.57 +/- 5.34 1 34 491 1067 43 +273.67 +/- 15.36
ncm-dbt-05 10:04:27 1230752 3282 1376 305 1601 +117.68 +/- 5.5 1 55 493 1056 36 +258.36 +/- 15.36
ncm-dbt-06 10:05:08 1237349 3284 1404 311 1569 +120.21 +/- 5.36 0 37 519 1042 44 +262.74 +/- 14.93
ncm-dbt-07 05:12:24 1200319 1736 739 162 835 +120.04 +/- 7.66 0 27 264 550 27 +259.7 +/- 21.01
20000 8382 1848 9770 +117.83 +/- 2.21 2 298 3105 6354 241 +257.31 +/- 6.11

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
180534 ncm-dbt-02 1219322 190 80 19 91 +115.63 +/- 23.29 0 5 25 64 1 +258.51 +/- 69.56
180533 ncm-dbt-04 1161623 214 94 14 106 +136.49 +/- 21.02 0 2 27 74 4 +308.44 +/- 67.6
180532 ncm-dbt-06 1224820 222 94 20 108 +120.41 +/- 20.93 0 2 37 68 4 +257.96 +/- 56.74
180531 ncm-dbt-05 1184875 220 93 24 103 +112.76 +/- 22.74 0 6 32 69 3 +240.82 +/- 61.24
180530 ncm-dbt-03 1220160 224 91 23 110 +108.9 +/- 20.87 0 3 41 65 3 +230.35 +/- 53.74
180529 ncm-dbt-07 1201485 228 98 20 110 +123.85 +/- 22.64 0 5 31 73 5 +263.62 +/- 62.43
180528 ncm-dbt-01 1195952 238 91 22 125 +103.7 +/- 17.96 0 1 49 68 1 +225.71 +/- 48.02
180527 ncm-dbt-02 1220137 500 205 57 238 +106.01 +/- 14.2 0 8 93 142 7 +221.9 +/- 35.4
180526 ncm-dbt-04 1160097 500 205 43 252 +116.77 +/- 12.47 0 4 81 164 1 +265.78 +/- 37.95
180525 ncm-dbt-06 1188715 500 208 47 245 +116.0 +/- 13.88 0 7 81 156 6 +251.89 +/- 38.11
180524 ncm-dbt-05 1216831 500 213 47 240 +119.89 +/- 13.16 0 7 72 169 2 +273.0 +/- 40.54
180523 ncm-dbt-03 1219305 500 216 39 245 +128.55 +/- 13.19 0 5 68 172 5 +293.29 +/- 41.75
180522 ncm-dbt-07 1183920 500 205 54 241 +108.3 +/- 14.21 0 9 87 148 6 +230.16 +/- 36.73
180521 ncm-dbt-01 1235829 500 212 45 243 +120.67 +/- 13.84 0 8 72 165 5 +268.17 +/- 40.54
180520 ncm-dbt-02 1188417 500 203 48 249 +111.37 +/- 14.53 0 15 67 166 2 +247.41 +/- 41.59
180519 ncm-dbt-04 1150132 500 226 34 240 +140.62 +/- 13.62 0 2 66 170 12 +315.35 +/- 42.24
180518 ncm-dbt-06 1221820 500 212 48 240 +118.33 +/- 14.03 0 5 85 151 9 +251.89 +/- 37.03
180517 ncm-dbt-03 1200429 500 202 51 247 +108.3 +/- 15.43 0 14 80 147 9 +223.94 +/- 38.31
180516 ncm-dbt-05 1201573 500 202 42 256 +115.22 +/- 13.38 0 7 79 161 3 +256.44 +/- 38.62
180515 ncm-dbt-01 1233094 500 207 47 246 +115.22 +/- 14.37 0 10 76 158 6 +249.64 +/- 39.41
180514 ncm-dbt-07 1228951 500 215 42 243 +125.38 +/- 14.13 0 7 71 164 8 +275.45 +/- 40.84
180513 ncm-dbt-02 1239283 500 196 43 261 +109.83 +/- 14.37 0 10 83 151 6 +234.38 +/- 37.67
180512 ncm-dbt-05 1187287 500 226 42 232 +134.15 +/- 13.61 0 3 70 167 10 +298.62 +/- 41.01
180511 ncm-dbt-03 1231158 500 199 40 261 +114.45 +/- 13.55 0 8 78 161 3 +254.16 +/- 38.89
180510 ncm-dbt-07 1199170 500 217 46 237 +123.81 +/- 13.98 0 6 75 161 8 +270.57 +/- 39.67
180509 ncm-dbt-06 1202702 500 218 52 230 +119.89 +/- 14.99 0 10 74 156 10 +254.16 +/- 39.94
180508 ncm-dbt-01 1228796 500 222 53 225 +122.24 +/- 13.66 0 6 75 163 6 +270.57 +/- 39.67
180507 ncm-dbt-04 1182601 500 210 52 238 +113.68 +/- 13.72 0 5 89 149 7 +243.0 +/- 36.1
180506 ncm-dbt-05 1197680 8 3 0 5 +136.8 +/- 89.09 0 0 1 3 0 +337.69 +/- 541.44
180505 ncm-dbt-03 1228838 8 3 0 5 +136.8 +/- 89.09 0 0 1 3 0 +337.69 +/- 541.44
180504 ncm-dbt-06 1205485 6 2 0 4 +120.22 +/- 109.7 0 0 1 2 0 +279.24 +/- 576.89
180503 ncm-dbt-07 1188072 8 4 0 4 +190.56 +/- 13.88 0 0 0 4 0 +1199.83 +/- 250.99
180502 ncm-dbt-04 1196540 8 3 0 5 +136.8 +/- 89.09 0 0 1 3 0 +337.69 +/- 541.44
180501 ncm-dbt-01 1207868 8 4 2 2 +88.62 +/- 93.84 0 0 2 2 0 +190.67 +/- 458.56
180500 ncm-dbt-02 1215296 370 157 40 173 +113.76 +/- 17.01 0 9 54 118 4 +246.75 +/- 46.82
180499 ncm-dbt-05 1198971 388 158 35 195 +114.07 +/- 17.36 1 9 55 124 5 +248.19 +/- 46.3
180498 ncm-dbt-04 1177652 380 155 31 194 +117.67 +/- 16.19 0 7 56 123 4 +258.51 +/- 46.08
180497 ncm-dbt-03 1236400 388 155 32 201 +114.07 +/- 16.69 0 8 61 119 6 +242.51 +/- 44.08
180496 ncm-dbt-06 1200281 392 175 29 188 +135.94 +/- 13.58 0 3 45 147 1 +330.07 +/- 51.74
180495 ncm-dbt-04 1136935 500 210 49 241 +116.0 +/- 13.2 0 5 83 158 4 +256.44 +/- 37.51
180494 ncm-dbt-02 1210994 500 199 54 247 +103.73 +/- 14.34 0 12 85 149 4 +221.9 +/- 37.21
180493 ncm-dbt-05 1193232 500 204 42 254 +116.77 +/- 14.04 0 9 75 161 5 +256.44 +/- 39.69
180492 ncm-dbt-06 1196176 500 221 43 236 +129.35 +/- 13.17 0 3 73 167 7 +290.66 +/- 40.08
180491 ncm-dbt-03 1209939 500 206 42 252 +118.33 +/- 13.0 0 4 82 160 4 +263.42 +/- 37.69
180490 ncm-dbt-04 1175825 500 226 39 235 +136.56 +/- 14.1 0 7 58 176 9 +309.64 +/- 45.27
180489 ncm-dbt-05 1195557 500 200 51 249 +106.77 +/- 14.67 0 12 83 149 6 +226.0 +/- 37.66
180488 ncm-dbt-02 1211602 500 203 44 253 +114.45 +/- 13.38 0 5 86 154 5 +249.64 +/- 36.79
180487 ncm-dbt-06 1198047 500 208 49 243 +114.45 +/- 13.03 0 3 90 152 5 +249.64 +/- 35.69
180486 ncm-dbt-03 1223390 500 201 42 257 +114.45 +/- 13.72 0 7 82 156 5 +249.64 +/- 37.86
177769 ncm-dbt-05 1500766 166 77 22 67 +119.62 +/- 23.8 0 2 26 53 2 +262.57 +/- 68.6
177768 ncm-dbt-02 1489220 164 72 19 73 +116.45 +/- 24.03 0 2 27 51 2 +253.0 +/- 67.11
177767 ncm-dbt-03 1494814 170 71 17 82 +114.31 +/- 24.33 0 2 30 50 3 +240.82 +/- 63.26
177766 ncm-dbt-06 1498099 164 66 23 75 +93.27 +/- 25.46 0 4 33 43 2 +190.85 +/- 60.15
177765 ncm-dbt-01 1490007 166 70 10 86 +131.51 +/- 26.18 0 3 21 55 4 +284.66 +/- 76.99
177764 ncm-dbt-04 1487356 170 69 19 82 +105.3 +/- 25.85 1 2 30 50 2 +228.32 +/- 63.44

Commit

Commit ID a48573e15fbd18fecb087c9fc02c38a07cece68b
Author Dubslow
Date 2023-03-13 23:41:42 UTC
More negative extensions on nonsingular nonpv nodes. Following up the previous gainer also in this nonsingular node section of code. Credit shared with @FauziAkram for realizing this nonsingular node stuff had some potential, and @XInTheDark for reminding us that !PvNodes better handle extensions/reductions than Pv. Passed STC: https://tests.stockfishchess.org/tests/view/640a7bb32644b62c339457c3 LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 136776 W: 36598 L: 36149 D: 64029 Ptnml(0-2): 439, 14834, 37384, 15301, 430 Passed LTC: https://tests.stockfishchess.org/tests/view/640c43a02644b62c3394b23c LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 79536 W: 21363 L: 20984 D: 37189 Ptnml(0-2): 28, 7525, 24285, 7900, 30 closes https://github.com/official-stockfish/Stockfish/pull/4441 Bench: 4444953
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