Dev Builds » 20231008-0546

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 09:54:15 978881 3298 1400 294 1604 +121.2 +/- 5.57 1 49 494 1053 52 +263.29 +/- 15.34
ncm-dbt-02 09:54:48 1185024 3320 1405 282 1633 +122.34 +/- 5.55 0 58 468 1087 47 +268.28 +/- 15.76
ncm-dbt-03 09:58:52 1183282 3364 1444 308 1612 +122.12 +/- 5.42 0 52 487 1098 45 +268.54 +/- 15.45
ncm-dbt-04 09:56:34 1103299 3340 1415 282 1643 +122.72 +/- 5.22 0 34 509 1087 40 +272.08 +/- 15.08
ncm-dbt-05 09:52:12 1122843 3308 1439 284 1585 +126.63 +/- 5.32 2 31 477 1098 46 +282.76 +/- 15.59
ncm-dbt-06 09:58:36 1180527 3370 1443 273 1654 +125.85 +/- 5.25 0 37 486 1117 45 +280.21 +/- 15.46
20000 8546 1723 9731 +123.48 +/- 2.2 3 261 2921 6540 275 +272.45 +/- 6.3

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
205646 ncm-dbt-01 1137802 224 98 15 111 +135.16 +/- 19.81 0 2 28 79 3 +311.26 +/- 66.31
205645 ncm-dbt-05 1230741 222 95 20 107 +122.17 +/- 22.57 0 6 27 75 3 +268.55 +/- 66.47
205644 ncm-dbt-04 1221758 238 106 31 101 +113.34 +/- 21.52 0 8 29 81 1 +252.94 +/- 63.37
205643 ncm-dbt-06 1224098 244 102 27 115 +110.36 +/- 19.74 0 3 44 72 3 +235.53 +/- 51.81
205642 ncm-dbt-02 1218439 248 107 21 120 +125.69 +/- 18.85 0 3 34 85 2 +286.4 +/- 59.76
205641 ncm-dbt-03 1248861 268 115 33 120 +109.82 +/- 18.58 0 6 40 88 0 +247.38 +/- 54.73
205640 ncm-dbt-05 1233917 500 223 37 240 +135.76 +/- 14.47 1 3 67 167 12 +301.33 +/- 42.04
205639 ncm-dbt-01 1131740 500 209 44 247 +119.11 +/- 13.86 0 9 71 166 4 +265.78 +/- 40.81
205638 ncm-dbt-06 1233632 500 218 42 240 +127.76 +/- 14.44 0 6 73 160 11 +275.45 +/- 40.24
205637 ncm-dbt-04 1230450 500 214 41 245 +125.38 +/- 13.25 0 4 75 165 6 +280.42 +/- 39.57
205636 ncm-dbt-02 1242565 500 214 47 239 +120.67 +/- 15.15 0 11 71 158 10 +256.44 +/- 40.73
205635 ncm-dbt-03 1240884 500 210 45 245 +119.11 +/- 14.19 0 9 73 162 6 +261.07 +/- 40.24
205634 ncm-dbt-05 1249234 500 218 48 234 +123.02 +/- 13.82 1 3 78 161 7 +273.0 +/- 38.74
205633 ncm-dbt-06 1236907 500 207 48 245 +114.45 +/- 13.21 0 7 79 162 2 +256.44 +/- 38.62
205632 ncm-dbt-01 1130059 500 220 33 247 +136.56 +/- 14.45 0 6 63 169 12 +301.33 +/- 43.45
205631 ncm-dbt-04 1226989 500 208 40 252 +121.45 +/- 14.17 0 7 76 159 8 +263.42 +/- 39.41
205630 ncm-dbt-02 1237313 500 210 38 252 +124.6 +/- 14.31 0 8 70 164 8 +273.0 +/- 41.13
205629 ncm-dbt-03 1227472 500 232 51 217 +131.74 +/- 14.2 0 8 61 173 8 +295.94 +/- 44.08
205628 ncm-dbt-04 573994 500 214 42 244 +124.6 +/- 13.97 0 7 71 165 7 +275.45 +/- 40.84
205627 ncm-dbt-05 633877 500 212 54 234 +113.68 +/- 14.38 0 9 81 153 7 +243.0 +/- 38.14
205626 ncm-dbt-01 462445 500 206 65 229 +100.71 +/- 16.46 1 15 89 132 13 +198.34 +/- 36.31
205625 ncm-dbt-06 766882 500 213 40 247 +125.38 +/- 14.47 0 6 76 157 11 +268.17 +/- 39.39
205624 ncm-dbt-03 795584 500 215 57 228 +113.68 +/- 14.54 0 8 85 148 9 +238.66 +/- 37.17
205623 ncm-dbt-02 831236 500 213 40 247 +125.38 +/- 15.12 0 11 65 164 10 +270.57 +/- 42.52
205622 ncm-dbt-01 594897 10 3 1 6 +70.41 +/- 134.07 0 1 1 3 0 +147.19 +/- 653.91
205621 ncm-dbt-04 803816 12 5 1 6 +120.31 +/- 75.55 0 0 2 4 0 +279.41 +/- 548.26
205620 ncm-dbt-05 817822 26 11 1 14 +140.8 +/- 64.93 0 0 4 8 1 +296.06 +/- 224.51
205619 ncm-dbt-01 808366 6 3 0 3 +190.46 +/- 18.51 0 0 0 3 0 +1199.83 +/- 276.48
205618 ncm-dbt-02 1219013 72 30 5 37 +125.85 +/- 42.83 0 2 9 23 2 +262.76 +/- 122.58
205617 ncm-dbt-01 1114853 58 26 4 28 +138.68 +/- 37.31 0 0 8 20 1 +318.31 +/- 134.08
205616 ncm-dbt-05 1219526 60 25 4 31 +126.95 +/- 32.62 0 0 9 21 0 +301.29 +/- 123.4
205615 ncm-dbt-03 1217237 96 39 2 55 +141.18 +/- 27.06 0 0 12 35 1 +338.01 +/- 105.3
205614 ncm-dbt-04 1225932 90 37 2 51 +142.6 +/- 24.94 0 0 10 35 0 +361.2 +/- 118.47
205613 ncm-dbt-06 1239736 126 52 9 65 +123.52 +/- 27.19 0 2 17 43 1 +279.59 +/- 86.55
205612 ncm-dbt-02 1240100 500 209 39 252 +123.02 +/- 13.65 0 8 68 170 4 +277.93 +/- 41.74
205611 ncm-dbt-01 1137625 500 217 44 239 +125.38 +/- 13.25 0 4 75 165 6 +280.42 +/- 39.57
205610 ncm-dbt-03 1262712 500 212 30 258 +132.54 +/- 13.1 0 4 66 174 6 +304.07 +/- 42.38
205609 ncm-dbt-04 1231743 500 210 44 246 +119.89 +/- 12.79 0 2 85 158 5 +265.78 +/- 36.75
205608 ncm-dbt-05 1250537 500 222 42 236 +130.94 +/- 12.37 0 3 67 177 3 +306.84 +/- 41.99
205607 ncm-dbt-06 1258051 500 217 39 244 +129.35 +/- 12.21 0 2 71 174 3 +301.33 +/- 40.6
205606 ncm-dbt-05 1226088 500 225 48 227 +128.55 +/- 13.91 0 4 75 161 10 +280.42 +/- 39.57
205605 ncm-dbt-02 1251249 500 216 42 242 +126.17 +/- 13.42 0 6 69 170 5 +285.49 +/- 41.44
205604 ncm-dbt-01 1131581 500 213 40 247 +125.38 +/- 13.61 0 5 74 164 7 +277.93 +/- 39.92
205603 ncm-dbt-03 1228555 500 208 43 249 +119.11 +/- 14.68 0 11 70 162 7 +258.75 +/- 41.02
205602 ncm-dbt-04 1208722 500 208 32 260 +127.76 +/- 13.57 0 2 80 158 10 +277.93 +/- 38.02
205601 ncm-dbt-06 1243123 500 221 34 245 +136.56 +/- 13.36 0 6 57 181 6 +318.25 +/- 45.73
205600 ncm-dbt-01 1139446 500 205 48 247 +112.91 +/- 13.89 0 7 85 152 6 +243.0 +/- 37.13
205599 ncm-dbt-04 1206295 500 213 49 238 +118.33 +/- 12.81 0 4 81 162 3 +265.78 +/- 37.95
205598 ncm-dbt-05 1243845 500 208 30 262 +129.35 +/- 12.41 0 3 69 175 3 +301.33 +/- 41.33
205597 ncm-dbt-02 1240282 500 206 50 244 +112.14 +/- 14.22 0 9 82 153 6 +240.82 +/- 37.9
205596 ncm-dbt-03 1244954 500 213 47 240 +119.89 +/- 14.02 0 6 80 156 8 +258.75 +/- 38.32
205595 ncm-dbt-06 1241790 500 213 34 253 +130.14 +/- 13.7 0 5 69 168 8 +290.66 +/- 41.43

Commit

Commit ID 008d59512ac38e1e4a2f7880fe4e07b902845bb0
Author Stefan Geschwentner
Date 2023-10-08 05:46:26 UTC
Simplify collection of bad moves for history updates. 1. collect only the first 32 moves searched and ignore the rest. So late bad moves get no further negative history updates. 2. collect now for quiet moves also at most 32 bad moves STC: https://tests.stockfishchess.org/tests/view/6517b3aeb3e74811c8af5651 LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 51168 W: 13013 L: 12810 D: 25345 Ptnml(0-2): 120, 6006, 13186, 6095, 177 LTC: https://tests.stockfishchess.org/tests/view/651adafecff46e538ee02734 LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 109866 W: 27786 L: 27656 D: 54424 Ptnml(0-2): 52, 11816, 31069, 11942, 54 closes https://github.com/official-stockfish/Stockfish/pull/4818 Bench: 1338617
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