Dev Builds » 20210805-0652

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 7. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games Wins Losses Draws Elo
ncm-et-3 08:18:29 1951308 3315 2828 7 480 +437.66 +/- 15.55
ncm-et-4 08:19:07 1958728 3343 2828 8 507 +428.52 +/- 15.13
ncm-et-9 08:18:38 1961155 3338 2773 5 560 +411.95 +/- 14.37
ncm-et-10 08:18:53 1955190 3330 2803 8 519 +423.5 +/- 14.95
ncm-et-13 08:18:50 1961552 3338 2839 6 493 +434.83 +/- 15.34
ncm-et-15 08:18:46 1958963 3336 2822 6 508 +429.21 +/- 15.11
20000 16893 40 3067 +427.43 +/- 6.14

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
150644 ncm-et-3 2021-08-09 12:12 00:46:57 1963073 315 269 1 45 +437.43 +/- 51.92
150643 ncm-et-10 2021-08-09 12:09 00:49:39 1959862 330 289 0 41 +471.55 +/- 54.49
150642 ncm-et-9 2021-08-09 12:09 00:50:03 1966935 338 287 0 51 +435.32 +/- 48.49
150641 ncm-et-4 2021-08-09 12:08 00:50:53 1962922 343 293 0 50 +441.79 +/- 49.02
150640 ncm-et-13 2021-08-09 12:08 00:50:38 1957247 338 295 0 43 +467.17 +/- 53.13
150639 ncm-et-15 2021-08-09 12:08 00:50:57 1958930 336 290 1 45 +449.51 +/- 51.95
150638 ncm-et-3 2021-08-09 10:56 01:15:05 1953281 500 426 1 73 +436.43 +/- 40.36
150637 ncm-et-4 2021-08-09 10:55 01:12:41 1966999 500 419 1 80 +419.61 +/- 38.47
150636 ncm-et-10 2021-08-09 10:53 01:15:30 1953895 500 426 1 73 +436.43 +/- 40.36
150635 ncm-et-15 2021-08-09 10:53 01:14:19 1962019 500 427 1 72 +438.95 +/- 40.66
150634 ncm-et-9 2021-08-09 10:52 01:15:38 1958016 500 415 0 85 +412.8 +/- 37.2
150633 ncm-et-13 2021-08-09 10:52 01:15:11 1957098 500 430 1 69 +446.7 +/- 41.57
150632 ncm-et-4 2021-08-09 09:39 01:15:07 1956486 500 422 2 76 +424.28 +/- 39.56
150631 ncm-et-3 2021-08-09 09:39 01:16:41 1948791 500 429 0 71 +446.7 +/- 40.89
150630 ncm-et-15 2021-08-09 09:39 01:13:33 1963230 500 415 0 85 +412.8 +/- 37.2
150629 ncm-et-10 2021-08-09 09:38 01:14:57 1953283 500 419 2 79 +417.32 +/- 38.77
150628 ncm-et-9 2021-08-09 09:37 01:14:58 1957247 500 415 2 83 +408.38 +/- 37.78
150627 ncm-et-13 2021-08-09 09:37 01:15:03 1957253 500 434 0 66 +460.32 +/- 42.48
150626 ncm-et-3 2021-08-09 08:24 01:14:04 1954214 500 448 2 50 +497.4 +/- 49.23
150625 ncm-et-15 2021-08-09 08:23 01:14:54 1958936 500 421 1 78 +424.28 +/- 38.99
150624 ncm-et-10 2021-08-09 08:23 01:13:46 1953313 500 421 0 79 +426.65 +/- 38.66
150623 ncm-et-13 2021-08-09 08:22 01:13:58 1964764 500 409 3 88 +393.6 +/- 36.68
150622 ncm-et-4 2021-08-09 08:22 01:16:29 1941568 500 429 0 71 +446.7 +/- 40.89
150621 ncm-et-9 2021-08-09 08:21 01:15:01 1956179 500 415 1 84 +410.58 +/- 37.5
150620 ncm-et-15 2021-08-09 07:09 01:13:57 1961075 500 418 1 81 +417.32 +/- 38.22
150619 ncm-et-10 2021-08-09 07:08 01:14:26 1959857 500 424 1 75 +431.48 +/- 39.8
150618 ncm-et-3 2021-08-09 07:07 01:16:19 1949522 500 416 2 82 +410.58 +/- 38.02
150617 ncm-et-13 2021-08-09 07:07 01:14:22 1967080 500 430 0 70 +449.35 +/- 41.19
150616 ncm-et-4 2021-08-09 07:07 01:14:21 1961396 500 428 2 70 +438.95 +/- 41.29
150615 ncm-et-9 2021-08-09 07:06 01:14:51 1958471 500 415 1 84 +410.58 +/- 37.5
150614 ncm-et-15 2021-08-09 05:53 01:15:05 1952222 500 416 1 83 +412.8 +/- 37.74
150613 ncm-et-3 2021-08-09 05:52 01:14:59 1930547 500 429 1 70 +444.09 +/- 41.26
150612 ncm-et-10 2021-08-09 05:52 01:15:48 1953592 500 398 2 100 +374.11 +/- 34.27
150611 ncm-et-4 2021-08-09 05:51 01:15:36 1957415 500 425 2 73 +431.48 +/- 40.4
150610 ncm-et-13 2021-08-09 05:51 01:15:44 1958496 500 425 1 74 +433.94 +/- 40.08
150609 ncm-et-9 2021-08-09 05:50 01:14:33 1969241 500 399 1 100 +377.87 +/- 34.22
150608 ncm-et-3 2021-08-09 04:37 01:14:24 1959729 500 411 0 89 +404.05 +/- 36.31
150607 ncm-et-15 2021-08-09 04:36 01:16:01 1956331 500 435 1 64 +460.32 +/- 43.24
150606 ncm-et-9 2021-08-09 04:36 01:13:34 1961996 500 427 0 73 +441.5 +/- 40.29
150605 ncm-et-4 2021-08-09 04:36 01:14:00 1964313 500 412 1 87 +404.05 +/- 36.82
150604 ncm-et-13 2021-08-09 04:36 01:13:54 1968932 500 416 1 83 +412.8 +/- 37.74
150603 ncm-et-10 2021-08-09 04:36 01:14:47 1952534 500 426 2 72 +433.94 +/- 40.69

Commit

Commit ID 73ef5b8c4a3ef5e37cc62344d4393b1ee366b7b4
Author SFisGOD
Date 2021-08-05 06:52:07 UTC
Update default net to nn-46832cfbead3.nnue SPSA 1: https://tests.stockfishchess.org/tests/view/6100e7f096b86d98abf6a832 Parameters: A total of 256 net weights and 8 net biases were tuned (output layer) Base net: nn-56a5f1c4173a.nnue New net: nn-ec3c8e029926.nnue SPSA 2: https://tests.stockfishchess.org/tests/view/610733caafad2da4f4ae3da7 Parameters: A total of 256 net biases were tuned (hidden layer 2) Base net: nn-ec3c8e029926.nnue New net: nn-46832cfbead3.nnue STC: LLR: 2.98 (-2.94,2.94) <-0.50,2.50> Total: 50520 W: 3953 L: 3765 D: 42802 Ptnml(0-2): 138, 3063, 18678, 3235, 146 https://tests.stockfishchess.org/tests/view/610a79692a8a49ac5be793f4 LTC: LLR: 2.94 (-2.94,2.94) <0.50,3.50> Total: 57256 W: 1723 L: 1566 D: 53967 Ptnml(0-2): 12, 1442, 25568, 1589, 17 https://tests.stockfishchess.org/tests/view/610ac5bb2a8a49ac5be79434 Closes https://github.com/official-stockfish/Stockfish/pull/3642 Bench: 5359314
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