Dev Builds » 20210111-1842

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. 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 06:50:41 583847 4000 308 1799 1893 -136.06 ± 5.13 103 1329 524 44 0 -297.28 ± 14.9
ncm-dbt-02 06:51:04 585888 4000 300 1848 1852 -141.85 ± 4.96 99 1383 485 33 0 -318.62 ± 15.48
ncm-dbt-03 06:51:14 585045 4012 334 1833 1845 -136.41 ± 4.97 92 1351 527 36 0 -302.28 ± 14.85
ncm-dbt-04 06:51:03 568589 4000 316 1820 1864 -137.37 ± 4.87 81 1376 509 34 0 -309.29 ± 15.11
ncm-dbt-05 06:52:28 580709 3988 303 1821 1864 -139.26 ± 4.89 86 1378 498 32 0 -314.02 ± 15.27
20000 1561 9121 9318 -138.18 ± 2.22 461 6817 2543 179 0 -308.17 ± 6.75

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
457636 ncm-dbt-03 587409 12 2 6 4 -120.31 ± 75.55 0 4 2 0 0 -279.41 ± 548.26
457635 ncm-dbt-05 581028 488 37 214 237 -132.02 ± 14.97 13 157 68 6 0 -283.03 ± 41.75
457634 ncm-dbt-02 586562 500 40 222 238 -132.54 ± 13.47 6 176 62 6 0 -304.07 ± 43.81
457633 ncm-dbt-01 582068 500 28 224 248 -143.89 ± 13.7 13 172 63 2 0 -324.17 ± 43.32
457632 ncm-dbt-04 568912 500 40 231 229 -139.81 ± 13.45 9 177 60 4 0 -321.19 ± 44.57
457631 ncm-dbt-03 585885 500 38 224 238 -135.76 ± 13.2 9 170 69 2 0 -306.84 ± 41.23
457630 ncm-dbt-05 578712 500 35 224 241 -138.18 ± 13.69 11 170 66 3 0 -309.64 ± 42.33
457629 ncm-dbt-02 584411 500 34 233 233 -146.36 ± 13.61 9 187 48 6 0 -346.12 ± 49.86
457628 ncm-dbt-01 583070 500 43 217 240 -126.17 ± 14.79 13 154 77 6 0 -265.78 ± 39.12
457627 ncm-dbt-04 567601 500 37 226 237 -138.18 ± 14.41 13 168 64 5 0 -304.07 ± 43.1
457626 ncm-dbt-03 585042 500 48 236 216 -137.37 ± 13.9 13 164 71 2 0 -301.33 ± 40.6
457625 ncm-dbt-05 581028 500 47 234 219 -136.56 ± 15.46 17 160 66 7 0 -288.06 ± 42.4
457624 ncm-dbt-02 583782 500 39 244 217 -151.34 ± 13.8 15 177 56 2 0 -346.12 ± 46.15
457623 ncm-dbt-01 585464 500 27 232 241 -151.34 ± 13.6 12 185 49 4 0 -356.21 ± 49.54
457622 ncm-dbt-03 583405 500 40 233 227 -141.44 ± 14.68 17 162 68 3 0 -304.07 ± 41.65
457621 ncm-dbt-04 569111 500 36 218 246 -132.54 ± 13.65 8 171 66 5 0 -298.62 ± 42.41
457620 ncm-dbt-02 588089 500 37 234 229 -144.71 ± 14.59 16 169 61 4 0 -318.25 ± 44.18
457619 ncm-dbt-05 581361 500 42 229 229 -136.56 ± 13.36 8 175 63 4 0 -312.48 ± 43.44
457618 ncm-dbt-01 583489 500 43 225 232 -132.54 ± 14.01 11 164 71 4 0 -290.66 ± 40.76
457617 ncm-dbt-03 584537 500 35 235 230 -147.19 ± 13.77 11 183 51 5 0 -342.85 ± 48.46
457616 ncm-dbt-04 569789 500 30 231 239 -148.02 ± 12.94 11 180 58 1 0 -346.12 ± 45.18
457615 ncm-dbt-01 583572 500 37 226 237 -138.18 ± 15.1 16 163 65 6 0 -295.94 ± 42.75
457614 ncm-dbt-02 586520 500 36 240 224 -150.51 ± 14.77 18 172 56 4 0 -333.32 ± 46.21
457613 ncm-dbt-05 582694 500 37 231 232 -142.25 ± 12.37 6 184 58 2 0 -339.63 ± 45.29
457612 ncm-dbt-03 584411 500 41 217 242 -127.76 ± 14.27 10 162 72 6 0 -277.93 ± 40.53
457611 ncm-dbt-04 568673 500 40 223 237 -133.34 ± 14.17 11 166 68 5 0 -293.29 ± 41.75
457610 ncm-dbt-01 584201 500 38 230 232 -140.62 ± 14.7 14 170 60 6 0 -309.64 ± 44.55
457609 ncm-dbt-05 584327 500 37 221 242 -134.15 ± 12.86 6 175 66 3 0 -309.64 ± 42.33
457608 ncm-dbt-02 586477 500 35 218 247 -133.34 ± 13.45 9 168 70 3 0 -298.62 ± 41.01
457607 ncm-dbt-03 586689 500 44 224 232 -130.94 ± 14.39 12 161 72 5 0 -282.94 ± 40.5
457606 ncm-dbt-04 568315 500 37 224 239 -136.56 ± 14.45 12 169 63 6 0 -301.33 ± 43.45
457605 ncm-dbt-01 585717 500 35 224 241 -138.18 ± 13.87 10 174 61 5 0 -312.48 ± 44.19
457604 ncm-dbt-02 586435 500 34 232 234 -145.54 ± 14.2 14 174 58 4 0 -327.18 ± 45.37
457603 ncm-dbt-05 579744 500 39 226 235 -136.56 ± 14.27 11 171 62 6 0 -304.07 ± 43.81
457602 ncm-dbt-03 584958 500 41 239 220 -145.54 ± 14.75 14 177 52 7 0 -327.18 ± 47.79
457601 ncm-dbt-04 567561 500 55 238 207 -133.34 ± 13.99 10 168 67 5 0 -295.94 ± 42.08
457600 ncm-dbt-01 583196 500 57 221 222 -118.33 ± 15.76 14 147 78 11 0 -240.82 ± 38.87
457599 ncm-dbt-02 584832 500 45 225 230 -130.94 ± 14.22 12 160 74 4 0 -282.94 ± 39.86
457598 ncm-dbt-03 583070 500 45 219 236 -126.17 ± 13.6 6 168 70 6 0 -282.94 ± 41.13
457597 ncm-dbt-04 568752 500 41 229 230 -137.37 ± 12.96 7 177 63 3 0 -318.25 ± 43.39
457596 ncm-dbt-05 576782 500 29 242 229 -158.08 ± 13.06 14 186 49 1 0 -377.87 ± 49.47

Commit

Commit ID ee3f7b6b6e1a1051b32cedb38ac89b3458ff4ab2
Author FauziAkram
Date 2021-01-11 18:42:31 UTC
Bad Outpost Pawn Scale Changed name from Bad Outpost to Uncontested Outpost Scale Uncontested Outpost with number of pawns + Decrease Bishop PSQT values and general tuning Credits for the decrease of the Bishop PSQT values: Fauzi Credits for scaling Uncontested Outpost with number of pawns: Lolligerhans Credits for the tunings: Fauzi Passed STC: LLR: 2.94 (-2.94,2.94) {-0.25,1.25} Total: 32040 W: 6593 L: 6281 D: 19166 Ptnml(0-2): 596, 3713, 7095, 4015, 601 https://tests.stockfishchess.org/tests/view/5ffa43026019e097de3ef0f2 Passed LTC: LLR: 2.95 (-2.94,2.94) {0.25,1.25} Total: 84376 W: 11395 L: 10950 D: 62031 Ptnml(0-2): 652, 7930, 24623, 8287, 696 https://tests.stockfishchess.org/tests/view/5ffa6e7b6019e097de3ef0fd closes https://github.com/official-stockfish/Stockfish/pull/3296 Bench: 4287509
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