Dev Builds » 20230813-0938

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 09:55:14 1177060 3342 1431 312 1599 +121.0 +/- 5.27 0 44 499 1093 35 +268.59 +/- 15.26
ncm-dbt-02 09:51:28 1197268 3298 1393 289 1616 +120.97 +/- 5.35 0 40 507 1060 42 +265.8 +/- 15.12
ncm-dbt-03 09:54:20 1233451 3334 1418 275 1641 +124.14 +/- 5.15 0 30 502 1097 38 +277.22 +/- 15.18
ncm-dbt-04 09:55:55 1217341 3344 1422 290 1632 +122.44 +/- 5.34 0 47 486 1099 40 +271.24 +/- 15.47
ncm-dbt-05 09:52:46 1232095 3340 1434 279 1627 +125.31 +/- 5.31 0 44 468 1117 41 +279.84 +/- 15.76
ncm-dbt-06 09:55:35 1231215 3342 1438 285 1619 +124.99 +/- 5.39 0 43 482 1096 50 +275.5 +/- 15.53
20000 8536 1730 9734 +123.14 +/- 2.17 0 248 2944 6562 246 +273.0 +/- 6.27

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
200218 ncm-dbt-02 1196745 298 127 29 142 +118.66 +/- 19.46 0 6 45 92 6 +250.46 +/- 51.54
200217 ncm-dbt-03 1235931 334 145 35 154 +118.85 +/- 16.11 0 3 54 107 3 +263.84 +/- 46.74
200216 ncm-dbt-06 1233522 342 146 25 171 +128.47 +/- 16.33 0 2 52 111 6 +283.27 +/- 47.62
200215 ncm-dbt-01 1213243 342 149 24 169 +133.14 +/- 16.21 0 4 42 121 4 +306.57 +/- 53.57
200214 ncm-dbt-05 1233590 340 145 30 165 +122.33 +/- 17.71 0 7 46 112 5 +267.6 +/- 50.89
200213 ncm-dbt-04 1192875 344 134 32 178 +106.2 +/- 16.76 0 8 55 108 1 +233.96 +/- 46.46
200212 ncm-dbt-02 1200297 500 223 47 230 +127.76 +/- 13.02 0 3 74 167 6 +288.06 +/- 39.79
200211 ncm-dbt-03 1229642 500 204 54 242 +107.54 +/- 13.73 0 7 91 147 5 +230.16 +/- 35.78
200210 ncm-dbt-04 1212860 500 223 47 230 +127.76 +/- 13.39 0 5 70 169 6 +288.06 +/- 41.11
200209 ncm-dbt-06 1237265 500 211 39 250 +124.6 +/- 13.62 0 3 81 157 9 +270.57 +/- 37.86
200208 ncm-dbt-01 1194630 500 207 47 246 +115.22 +/- 14.05 0 9 77 159 5 +251.89 +/- 39.16
200207 ncm-dbt-05 1236010 500 218 44 238 +126.17 +/- 13.95 0 4 78 158 10 +273.0 +/- 38.74
200206 ncm-dbt-02 1195310 500 214 47 239 +120.67 +/- 13.84 0 8 72 165 5 +268.17 +/- 40.54
200205 ncm-dbt-03 1234668 500 214 38 248 +127.76 +/- 13.21 0 2 78 162 8 +282.94 +/- 38.55
200204 ncm-dbt-06 1213594 500 220 39 241 +131.74 +/- 14.03 0 9 57 178 6 +301.33 +/- 45.48
200203 ncm-dbt-05 1233339 500 227 36 237 +139.81 +/- 13.83 0 9 47 188 6 +330.23 +/- 49.84
200202 ncm-dbt-01 1194758 500 220 42 238 +129.35 +/- 12.8 0 2 74 168 6 +293.29 +/- 39.69
200201 ncm-dbt-04 1223440 500 209 41 250 +121.45 +/- 13.84 0 5 80 157 8 +263.42 +/- 38.27
200200 ncm-dbt-02 1199950 500 205 46 249 +114.45 +/- 14.05 0 6 87 149 8 +243.0 +/- 36.62
200199 ncm-dbt-05 1226458 500 213 47 240 +119.89 +/- 13.33 0 6 76 164 4 +268.17 +/- 39.39
200198 ncm-dbt-06 1253857 500 212 48 240 +118.33 +/- 14.36 0 6 84 150 10 +249.64 +/- 37.33
200197 ncm-dbt-03 1248856 500 221 28 251 +141.44 +/- 13.01 0 3 59 180 8 +330.23 +/- 44.94
200196 ncm-dbt-04 1220350 500 215 46 239 +122.24 +/- 12.94 0 3 80 162 5 +273.0 +/- 38.12
200195 ncm-dbt-01 1157202 500 217 49 234 +121.45 +/- 13.14 0 5 76 165 4 +273.0 +/- 39.35
200194 ncm-dbt-02 1194766 500 206 43 251 +117.55 +/- 13.7 0 5 84 154 7 +254.16 +/- 37.27
200193 ncm-dbt-03 1232568 500 207 48 245 +114.45 +/- 13.03 0 5 84 158 3 +254.16 +/- 37.27
200192 ncm-dbt-05 1233400 500 217 38 245 +130.14 +/- 12.97 0 3 71 170 6 +295.94 +/- 40.69
200191 ncm-dbt-01 1145120 500 217 48 235 +122.24 +/- 13.48 0 8 68 171 3 +277.93 +/- 41.74
200190 ncm-dbt-04 1237122 500 212 34 254 +129.35 +/- 14.58 0 9 63 169 9 +285.49 +/- 43.31
200189 ncm-dbt-06 1225537 500 208 51 241 +112.91 +/- 14.05 0 10 77 159 4 +247.41 +/- 39.15
200188 ncm-dbt-02 1196515 500 213 39 248 +126.17 +/- 13.24 0 5 71 169 5 +285.49 +/- 40.81
200187 ncm-dbt-05 1241122 500 212 43 245 +122.24 +/- 14.17 0 7 75 160 8 +265.78 +/- 39.69
200186 ncm-dbt-03 1229982 500 212 31 257 +131.74 +/- 13.85 0 7 62 174 7 +298.62 +/- 43.77
200185 ncm-dbt-04 1219051 500 219 45 236 +126.17 +/- 15.11 0 12 61 168 9 +275.45 +/- 43.72
200184 ncm-dbt-06 1230428 500 221 43 236 +129.35 +/- 14.07 0 7 66 169 8 +288.06 +/- 42.4
200183 ncm-dbt-01 1174642 500 206 45 249 +116.0 +/- 13.71 0 6 83 155 6 +251.89 +/- 37.57
200182 ncm-dbt-03 1222511 500 215 41 244 +126.17 +/- 12.68 0 3 74 169 4 +288.06 +/- 39.79
200181 ncm-dbt-02 1197293 500 205 38 257 +120.67 +/- 13.67 0 7 74 164 5 +268.17 +/- 39.97
200180 ncm-dbt-05 1220746 500 202 41 257 +116.0 +/- 13.37 0 8 75 165 2 +261.07 +/- 39.69
200179 ncm-dbt-01 1159828 500 215 57 228 +113.68 +/- 14.54 0 10 79 154 7 +243.0 +/- 38.64
200178 ncm-dbt-06 1224304 500 220 40 240 +130.94 +/- 13.69 0 6 65 172 7 +295.94 +/- 42.75
200177 ncm-dbt-04 1215693 500 210 45 245 +119.11 +/- 12.8 0 5 77 166 2 +270.57 +/- 39.07

Commit

Commit ID d97a02ea2b9328e666aff7a906820c9ec65ab381
Author Michael Chaly
Date 2023-08-13 09:38:24 UTC
Give extra bonus to main history for moves that caused a fail low. #4744 Current master gives this type of bonuses to continuation history, this patch also gives them to main history. Passed STC: https://tests.stockfishchess.org/tests/view/64d4802a5b17f7c21c0e27b3 LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 480768 W: 122767 L: 121798 D: 236203 Ptnml(0-2): 1563, 56190, 123834, 57309, 1488 Passed LTC: https://tests.stockfishchess.org/tests/view/64d7e4c05b17f7c21c0e7456 LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 32052 W: 8329 L: 8022 D: 15701 Ptnml(0-2): 19, 3335, 9015, 3634, 23 closes https://github.com/official-stockfish/Stockfish/pull/4744 Bench: 1711793
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