Dev Builds » 20230822-0922

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 09:53:46 1134733 3334 1402 264 1668 +123.55 +/- 5.18 0 34 497 1100 36 +276.11 +/- 15.27
ncm-dbt-02 09:49:58 1195691 3292 1394 298 1600 +120.25 +/- 5.48 2 49 485 1071 39 +265.41 +/- 15.48
ncm-dbt-03 09:54:44 1232651 3358 1432 311 1615 +120.61 +/- 5.37 0 56 480 1109 34 +267.81 +/- 15.56
ncm-dbt-04 09:54:23 1231123 3354 1438 288 1628 +124.15 +/- 5.48 3 48 468 1112 46 +275.52 +/- 15.76
ncm-dbt-05 09:50:01 1232657 3306 1376 274 1656 +120.41 +/- 5.14 0 34 511 1080 28 +269.2 +/- 15.05
ncm-dbt-06 09:53:58 1230188 3356 1413 285 1658 +121.5 +/- 5.38 0 55 477 1109 37 +269.47 +/- 15.61
20000 8455 1720 9825 +121.75 +/- 2.18 5 276 2918 6581 220 +270.57 +/- 6.3

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
200686 ncm-dbt-02 1197410 292 120 28 144 +113.32 +/- 17.96 0 4 49 90 3 +246.08 +/- 49.22
200685 ncm-dbt-05 1235856 306 129 28 149 +119.13 +/- 18.77 0 7 42 100 4 +259.9 +/- 53.27
200684 ncm-dbt-01 1135138 334 143 33 158 +118.85 +/- 15.45 0 2 55 108 2 +267.39 +/- 46.11
200683 ncm-dbt-03 1234150 358 155 41 162 +114.62 +/- 16.05 0 7 52 119 1 +258.34 +/- 47.85
200682 ncm-dbt-06 1250042 356 155 29 172 +128.52 +/- 16.79 0 2 57 110 9 +273.8 +/- 45.31
200681 ncm-dbt-04 1215366 354 153 32 169 +123.73 +/- 16.36 0 5 50 118 4 +276.08 +/- 48.89
200680 ncm-dbt-02 1196095 500 222 46 232 +127.76 +/- 13.75 0 6 69 168 7 +285.49 +/- 41.44
200679 ncm-dbt-05 1244830 500 213 47 240 +119.89 +/- 13.33 0 6 76 164 4 +268.17 +/- 39.39
200678 ncm-dbt-01 1126650 500 211 43 246 +121.45 +/- 13.49 0 5 78 161 6 +268.17 +/- 38.8
200677 ncm-dbt-04 1232581 500 204 39 257 +119.11 +/- 14.68 1 9 70 164 6 +263.42 +/- 41.06
200676 ncm-dbt-03 1227779 500 215 34 251 +131.74 +/- 13.12 0 7 58 182 3 +309.64 +/- 45.27
200675 ncm-dbt-06 1223544 500 209 41 250 +121.45 +/- 13.49 0 8 69 170 3 +275.45 +/- 41.43
200674 ncm-dbt-05 1221343 500 220 39 241 +131.74 +/- 11.94 0 1 70 176 3 +309.64 +/- 40.79
200673 ncm-dbt-02 1194478 500 218 47 235 +123.81 +/- 14.32 1 6 71 165 7 +275.45 +/- 40.84
200672 ncm-dbt-01 1139680 500 211 36 253 +126.97 +/- 13.04 0 3 75 166 6 +285.49 +/- 39.5
200671 ncm-dbt-06 1221309 500 201 45 254 +112.14 +/- 13.04 0 7 81 161 1 +251.89 +/- 38.11
200670 ncm-dbt-04 1235836 500 217 38 245 +130.14 +/- 13.52 0 7 62 176 5 +298.62 +/- 43.77
200669 ncm-dbt-03 1228797 500 215 56 229 +114.45 +/- 15.46 0 14 72 155 9 +240.82 +/- 40.3
200668 ncm-dbt-05 1231799 500 203 47 250 +112.14 +/- 13.04 0 7 81 161 1 +251.89 +/- 38.11
200667 ncm-dbt-02 1194006 500 204 53 243 +108.3 +/- 14.83 1 12 76 157 4 +236.51 +/- 39.32
200666 ncm-dbt-01 1138583 500 212 39 249 +125.38 +/- 13.25 0 5 72 168 5 +282.94 +/- 40.5
200665 ncm-dbt-04 1224659 500 230 51 219 +130.14 +/- 13.52 0 1 80 158 11 +282.94 +/- 37.88
200664 ncm-dbt-03 1237089 500 215 60 225 +111.37 +/- 14.38 0 8 87 147 8 +234.38 +/- 36.71
200663 ncm-dbt-06 1210204 500 215 50 235 +119.11 +/- 15.0 0 14 63 167 6 +261.07 +/- 42.86
200662 ncm-dbt-05 1233530 500 206 42 252 +118.33 +/- 12.63 0 3 83 161 3 +265.78 +/- 37.35
200661 ncm-dbt-02 1196149 500 211 45 244 +119.89 +/- 14.02 0 9 71 165 5 +265.78 +/- 40.81
200660 ncm-dbt-04 1227340 500 222 44 234 +129.35 +/- 14.07 0 7 66 169 8 +288.06 +/- 42.4
200659 ncm-dbt-01 1134444 500 210 49 241 +116.0 +/- 14.69 0 11 74 158 7 +249.64 +/- 39.91
200658 ncm-dbt-06 1237888 500 204 39 257 +119.11 +/- 13.69 0 9 70 168 3 +268.17 +/- 41.1
200657 ncm-dbt-03 1223880 500 220 38 242 +132.54 +/- 14.01 0 8 59 176 7 +301.33 +/- 44.81
200656 ncm-dbt-05 1228943 500 198 31 271 +120.67 +/- 14.18 0 5 83 152 10 +256.44 +/- 37.51
200655 ncm-dbt-02 1197207 500 214 37 249 +128.55 +/- 13.56 0 4 73 165 8 +285.49 +/- 40.16
200654 ncm-dbt-03 1249151 500 210 40 250 +123.02 +/- 13.82 0 8 69 168 5 +275.45 +/- 41.43
200653 ncm-dbt-04 1244587 500 210 42 248 +121.45 +/- 13.84 0 7 74 163 6 +268.17 +/- 39.97
200652 ncm-dbt-06 1231339 500 214 32 254 +132.54 +/- 14.18 0 6 66 168 10 +293.29 +/- 42.41
200651 ncm-dbt-01 1140461 500 201 34 265 +120.67 +/- 13.5 0 8 70 169 3 +273.0 +/- 41.13
200650 ncm-dbt-05 1232304 500 207 40 253 +120.67 +/- 12.97 0 5 76 166 3 +273.0 +/- 39.35
200649 ncm-dbt-02 1194496 500 205 42 253 +117.55 +/- 13.87 0 8 76 161 5 +258.75 +/- 39.42
200648 ncm-dbt-04 1237497 500 202 42 256 +115.23 +/- 15.61 2 12 66 164 6 +254.16 +/- 41.96
200647 ncm-dbt-06 1236991 500 215 49 236 +119.89 +/- 14.02 0 9 71 165 5 +265.78 +/- 40.81
200646 ncm-dbt-03 1227716 500 202 42 256 +115.22 +/- 12.48 0 4 83 162 1 +261.07 +/- 37.44
200645 ncm-dbt-01 1128181 500 214 30 256 +134.14 +/- 12.47 0 0 73 170 7 +306.84 +/- 39.69

Commit

Commit ID 030b87182a7fff98b1724b857d6d40cda5d90b9f
Author cj5716
Date 2023-08-22 09:22:15 UTC
Do more full window searches Remove the value < beta condition for doing full window searches. As an added bonus the condition for full-window search is now much more similar to other fail-soft engines. Passed STC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 244608 W: 62286 L: 62294 D: 120028 Ptnml(0-2): 758, 28772, 63214, 28840, 720 https://tests.stockfishchess.org/tests/view/64d72d365b17f7c21c0e6675 Passed LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 311460 W: 78909 L: 78985 D: 153566 Ptnml(0-2): 129, 33959, 87656, 33831, 155 https://tests.stockfishchess.org/tests/view/64dca2265b17f7c21c0ee06c closes https://github.com/official-stockfish/Stockfish/pull/4755 Bench: 1624221
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