Dev Builds » 20141107-2140

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 05:52:52 584665 3998 2 3373 623 -428.05 ± 12.3 1374 623 2 0 0 -1199.83 ± 15.45
ncm-dbt-02 05:52:48 591624 4012 1 3458 553 -451.59 ± 13.26 1452 553 1 0 0 -1199.83 ± 0.0
ncm-dbt-03 05:51:35 575868 3996 5 3367 624 -425.87 ± 12.32 1370 622 6 0 0 -1129.07 ± 86.49
ncm-dbt-04 05:53:03 566825 3994 4 3381 609 -430.89 ± 12.48 1384 609 4 0 0 -1199.48 ± 59.55
ncm-dbt-05 05:51:23 605248 4000 3 3436 561 -447.03 ± 13.14 1436 561 3 0 0 -1199.83 ± 40.83
20000 15 17015 2970 -436.43 ± 5.67 7016 2968 16 0 0 -1199.83 ± 15.26

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
479393 ncm-dbt-02 590267 12 0 11 1 -543.16 ± 424.94 5 1 0 0 0 -1199.83 ± 215.27
479392 ncm-dbt-01 585042 498 0 421 77 -430.71 ± 35.33 172 77 0 0 0 -1199.83 ± 0.0
479391 ncm-dbt-03 575557 496 1 419 76 -427.53 ± 35.68 171 76 1 0 0 -1077.49 ± 155.65
479390 ncm-dbt-04 568554 494 1 419 74 -431.66 ± 36.28 172 74 1 0 0 -1076.79 ± 156.0
479389 ncm-dbt-05 603634 500 1 399 100 -377.86 ± 29.57 149 100 1 0 0 -1078.89 ± 154.95
479388 ncm-dbt-02 592072 500 0 420 80 -424.26 ± 34.47 170 80 0 0 0 -1199.83 ± 0.0
479387 ncm-dbt-01 584076 500 0 424 76 -433.92 ± 35.66 174 76 0 0 0 -1199.83 ± 0.0
479386 ncm-dbt-03 576006 500 0 426 74 -438.93 ± 36.28 176 74 0 0 0 -1199.83 ± 0.0
479385 ncm-dbt-04 567561 500 1 434 65 -457.5 ± 39.46 184 65 1 0 0 -1078.89 ± 154.95
479384 ncm-dbt-05 600779 500 0 428 72 -444.07 ± 36.93 178 72 0 0 0 -1199.83 ± 0.0
479383 ncm-dbt-02 591426 500 0 413 87 -408.36 ± 32.58 163 87 0 0 0 -1199.83 ± 0.0
479382 ncm-dbt-01 585843 500 0 433 67 -457.5 ± 38.66 183 67 0 0 0 -1199.83 ± 0.0
479381 ncm-dbt-03 577233 500 1 417 82 -415.03 ± 34.56 168 80 2 0 0 -958.31 ± 196.57
479380 ncm-dbt-04 565823 500 1 424 75 -431.47 ± 36.03 174 75 1 0 0 -1078.89 ± 154.95
479379 ncm-dbt-05 620449 500 1 430 69 -446.69 ± 38.01 180 69 1 0 0 -1078.89 ± 154.95
479378 ncm-dbt-02 589839 500 0 437 63 -468.94 ± 40.18 187 63 0 0 0 -1199.83 ± 0.0
479377 ncm-dbt-01 585928 500 0 419 81 -421.91 ± 34.19 169 81 0 0 0 -1199.83 ± 0.0
479376 ncm-dbt-03 574947 500 0 426 74 -438.93 ± 36.28 176 74 0 0 0 -1199.83 ± 0.0
479375 ncm-dbt-04 565469 500 0 425 75 -436.41 ± 35.97 175 75 0 0 0 -1199.83 ± 0.0
479374 ncm-dbt-05 602695 500 0 437 63 -468.94 ± 40.18 187 63 0 0 0 -1199.83 ± 0.0
479373 ncm-dbt-02 591211 500 0 427 73 -441.48 ± 36.6 177 73 0 0 0 -1199.83 ± 0.0
479372 ncm-dbt-01 584117 500 1 421 78 -424.26 ± 35.11 171 78 1 0 0 -1078.89 ± 154.95
479371 ncm-dbt-04 570108 500 0 428 72 -444.07 ± 36.93 178 72 0 0 0 -1199.83 ± 0.0
479370 ncm-dbt-03 579207 500 1 403 96 -385.58 ± 30.46 153 96 1 0 0 -1078.89 ± 154.95
479369 ncm-dbt-05 609335 500 0 432 68 -454.74 ± 38.3 182 68 0 0 0 -1199.83 ± 0.0
479368 ncm-dbt-02 592288 500 0 438 62 -471.9 ± 40.58 188 62 0 0 0 -1199.83 ± 0.0
479367 ncm-dbt-01 584958 500 0 414 86 -410.56 ± 32.83 164 86 0 0 0 -1199.83 ± 0.0
479366 ncm-dbt-04 565312 500 1 419 80 -419.6 ± 34.53 169 80 1 0 0 -1078.89 ± 154.95
479365 ncm-dbt-03 574906 500 0 420 80 -424.26 ± 34.47 170 80 0 0 0 -1199.83 ± 0.0
479364 ncm-dbt-05 598744 500 0 447 53 -500.8 ± 44.67 197 53 0 0 0 -1199.83 ± 0.0
479363 ncm-dbt-02 593499 500 1 439 60 -471.91 ± 41.47 189 60 1 0 0 -1078.89 ± 154.95
479362 ncm-dbt-01 585126 500 0 417 83 -417.3 ± 33.63 167 83 0 0 0 -1199.83 ± 0.0
479361 ncm-dbt-04 567878 500 0 414 86 -410.56 ± 32.83 164 86 0 0 0 -1199.83 ± 0.0
479360 ncm-dbt-03 576047 500 0 426 74 -438.93 ± 36.28 176 74 0 0 0 -1199.83 ± 0.0
479359 ncm-dbt-05 605929 500 1 427 72 -438.94 ± 36.99 177 72 1 0 0 -1078.89 ± 154.95
479358 ncm-dbt-02 591469 500 0 443 57 -487.43 ± 42.74 193 57 0 0 0 -1199.83 ± 0.0
479357 ncm-dbt-03 573042 500 2 430 68 -444.07 ± 38.38 180 68 2 0 0 -958.31 ± 196.57
479356 ncm-dbt-01 582235 500 1 424 75 -431.47 ± 36.03 174 75 1 0 0 -1078.89 ± 154.95
479355 ncm-dbt-05 600424 500 0 436 64 -466.01 ± 39.79 186 64 0 0 0 -1199.83 ± 0.0
479354 ncm-dbt-04 563900 500 0 418 82 -419.59 ± 33.91 168 82 0 0 0 -1199.83 ± 0.0
479353 ncm-dbt-02 592547 500 0 430 70 -449.33 ± 37.6 180 70 0 0 0 -1199.83 ± 0.0

Commit

Commit ID 7ebb872409d23b7c745d71ce5c21bea786d81aa0
Author lucasart
Date 2014-11-07 21:40:24 UTC
Prune ttMove like any other This should reduce search inconsistencies, and doesn't seem to have a measurable ELO Impact: STC with Hash=16 LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 49264 W: 10076 L: 10007 D: 29181 LTC with Hash=64 LLR: 2.96 (-2.94,2.94) [-3.00,1.00] Total: 82149 W: 14044 L: 14023 D: 54082 Plus an extra test, to make sure it doesn't regress with strong hash pressure: STC with Hash=4 LLR: 2.95 (-2.94,2.94) [-4.00,0.00] Total: 21498 W: 4327 L: 4246 D: 12925 Bench: 7302735 Resolves #100
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