Dev Builds » 20150208-1928

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 05:52:12 584561 4000 4 3344 652 -418.46 ± 11.97 1345 650 5 0 0 -1160.95 ± 74.15
ncm-dbt-02 05:53:14 591645 4016 3 3367 646 -421.52 ± 12.02 1359 646 3 0 0 -1199.83 ± 40.48
ncm-dbt-03 05:51:43 585896 4000 5 3334 661 -415.33 ± 11.84 1334 661 5 0 0 -1160.95 ± 74.15
ncm-dbt-04 05:52:56 568495 3988 0 3350 638 -424.3 ± 12.1 1356 638 0 0 0 -1199.83 ± 0.0
ncm-dbt-05 05:53:53 583095 3996 2 3368 626 -427.06 ± 12.26 1370 626 2 0 0 -1199.83 ± 15.49
20000 14 16763 3223 -421.29 ± 5.38 6764 3221 15 0 0 -1199.83 ± 10.58

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
474759 ncm-dbt-02 592159 16 0 15 1 -595.01 ± 398.59 7 1 0 0 0 -1199.83 ± 190.04
474758 ncm-dbt-04 568752 488 0 407 81 -417.32 ± 34.06 163 81 0 0 0 -1199.83 ± 0.0
474757 ncm-dbt-05 582485 496 0 417 79 -425.12 ± 34.72 169 79 0 0 0 -1199.83 ± 0.0
474756 ncm-dbt-03 585843 500 0 415 85 -412.78 ± 33.1 165 85 0 0 0 -1199.83 ± 0.0
474755 ncm-dbt-01 586012 500 1 415 84 -410.57 ± 33.42 165 84 1 0 0 -1078.89 ± 154.95
474754 ncm-dbt-02 590481 500 0 406 94 -393.58 ± 30.86 156 94 0 0 0 -1199.83 ± 0.0
474753 ncm-dbt-04 568077 500 0 431 69 -452.02 ± 37.95 181 69 0 0 0 -1199.83 ± 0.0
474752 ncm-dbt-05 583824 500 0 409 91 -399.79 ± 31.58 159 91 0 0 0 -1199.83 ± 0.0
474751 ncm-dbt-03 586520 500 0 417 83 -417.3 ± 33.63 167 83 0 0 0 -1199.83 ± 0.0
474750 ncm-dbt-01 585253 500 1 425 74 -433.93 ± 36.34 175 74 1 0 0 -1078.89 ± 154.95
474749 ncm-dbt-02 591771 500 0 426 74 -438.93 ± 36.28 176 74 0 0 0 -1199.83 ± 0.0
474748 ncm-dbt-04 566138 500 0 408 92 -397.7 ± 31.34 158 92 0 0 0 -1199.83 ± 0.0
474747 ncm-dbt-03 586054 500 0 419 81 -421.91 ± 34.19 169 81 0 0 0 -1199.83 ± 0.0
474746 ncm-dbt-05 583614 500 0 421 79 -426.63 ± 34.76 171 79 0 0 0 -1199.83 ± 0.0
474745 ncm-dbt-01 582569 500 0 411 89 -404.03 ± 32.07 161 89 0 0 0 -1199.83 ± 0.0
474744 ncm-dbt-02 590911 500 1 419 80 -419.6 ± 34.53 169 80 1 0 0 -1078.89 ± 154.95
474743 ncm-dbt-04 568434 500 0 417 83 -417.3 ± 33.63 167 83 0 0 0 -1199.83 ± 0.0
474742 ncm-dbt-03 585885 500 1 423 76 -429.04 ± 35.72 173 76 1 0 0 -1078.89 ± 154.95
474741 ncm-dbt-01 583992 500 1 421 78 -424.26 ± 35.11 171 78 1 0 0 -1078.89 ± 154.95
474740 ncm-dbt-05 579868 500 1 426 73 -436.42 ± 36.66 176 73 1 0 0 -1078.89 ± 154.95
474739 ncm-dbt-02 591039 500 0 426 74 -438.93 ± 36.28 176 74 0 0 0 -1199.83 ± 0.0
474738 ncm-dbt-03 585084 500 2 421 77 -421.92 ± 35.44 171 77 2 0 0 -958.31 ± 196.57
474737 ncm-dbt-04 568991 500 0 422 78 -429.04 ± 35.06 172 78 0 0 0 -1199.83 ± 0.0
474736 ncm-dbt-05 583866 500 0 424 76 -433.92 ± 35.66 174 76 0 0 0 -1199.83 ± 0.0
474735 ncm-dbt-01 583154 500 1 407 92 -393.59 ± 31.39 157 92 1 0 0 -1078.89 ± 154.95
474734 ncm-dbt-02 593412 500 0 424 76 -433.92 ± 35.66 174 76 0 0 0 -1199.83 ± 0.0
474733 ncm-dbt-03 586435 500 0 417 83 -417.3 ± 33.63 167 83 0 0 0 -1199.83 ± 0.0
474732 ncm-dbt-04 570029 500 0 424 76 -433.92 ± 35.66 174 76 0 0 0 -1199.83 ± 0.0
474731 ncm-dbt-01 585211 500 0 415 85 -412.78 ± 33.1 165 85 0 0 0 -1199.83 ± 0.0
474730 ncm-dbt-05 585506 500 1 420 79 -421.92 ± 34.82 170 79 1 0 0 -1078.89 ± 154.95
474729 ncm-dbt-02 592979 500 0 412 88 -406.19 ± 32.32 162 88 0 0 0 -1199.83 ± 0.0
474728 ncm-dbt-04 568156 500 0 417 83 -417.3 ± 33.63 167 83 0 0 0 -1199.83 ± 0.0
474727 ncm-dbt-03 586435 500 1 415 84 -410.57 ± 33.42 165 84 1 0 0 -1078.89 ± 154.95
474726 ncm-dbt-01 586731 500 0 423 77 -431.46 ± 35.35 173 77 0 0 0 -1199.83 ± 0.0
474725 ncm-dbt-05 583447 500 0 419 81 -421.91 ± 34.19 169 81 0 0 0 -1199.83 ± 0.0
474724 ncm-dbt-02 593716 500 2 415 83 -408.37 ± 33.73 165 83 2 0 0 -958.31 ± 196.57
474723 ncm-dbt-03 584916 500 1 407 92 -393.59 ± 31.39 157 92 1 0 0 -1078.89 ± 154.95
474722 ncm-dbt-04 569390 500 0 424 76 -433.92 ± 35.66 174 76 0 0 0 -1199.83 ± 0.0
474721 ncm-dbt-02 588345 500 0 424 76 -433.92 ± 35.66 174 76 0 0 0 -1199.83 ± 0.0
474720 ncm-dbt-05 582152 500 0 432 68 -454.74 ± 38.3 182 68 0 0 0 -1199.83 ± 0.0
474719 ncm-dbt-01 583572 500 0 427 73 -441.49 ± 37.32 178 71 1 0 0 -1078.89 ± 154.95

Commit

Commit ID e118570038f2d9b668b445fe6d31df94151a717b
Author Joona Kiiski
Date 2015-02-08 19:28:01 UTC
Pawn Center Bind Bonus Bonus for two pawns controlling the same central square STC: LLR: 3.14 (-2.94,2.94) [-1.50,4.50] Total: 15974 W: 3291 L: 3133 D: 9550 LTC: LLR: 3.24 (-2.94,2.94) [0.00,6.00] Total: 10449 W: 1837 L: 1674 D: 6938 Idea from Lyudmil Tsvetkov. Bench: 7699138 Resolves #248
Copyright 2011–2026 Next Chess Move LLC