Dev Builds » 20250118-1954

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 06:51:36 585330 4000 1536 536 1928 +88.74 ± 4.79 1 76 864 1040 19 +186.7 ± 11.48
ncm-dbt-02 06:51:45 587172 4000 1562 526 1912 +92.08 ± 4.99 2 100 776 1104 18 +195.51 ± 12.22
ncm-dbt-03 06:52:41 586144 4000 1522 522 1956 +88.74 ± 4.93 0 106 801 1080 13 +187.85 ± 12.02
ncm-dbt-04 06:52:25 570123 4014 1554 549 1911 +88.88 ± 4.81 0 93 825 1080 9 +189.12 ± 11.81
ncm-dbt-05 06:53:48 586473 3986 1538 525 1923 +90.28 ± 5.08 2 109 779 1080 23 +189.8 ± 12.2
20000 7712 2658 9630 +89.74 ± 2.2 5 484 4045 5384 82 +189.78 ± 5.34

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
396375 ncm-dbt-04 570749 14 5 0 9 +129.72 ± 68.06 0 0 2 5 0 +311.09 ± 530.6
396374 ncm-dbt-05 586181 486 196 67 223 +94.48 ± 14.35 0 14 87 141 1 +203.47 ± 36.75
396373 ncm-dbt-03 587325 500 190 68 242 +86.52 ± 14.67 0 16 100 130 4 +178.11 ± 34.22
396372 ncm-dbt-01 584495 500 191 66 243 +88.74 ± 12.55 0 5 116 128 1 +189.0 ± 30.9
396371 ncm-dbt-02 588217 500 198 75 227 +87.26 ± 13.95 1 11 103 134 1 +187.16 ± 33.6
396370 ncm-dbt-04 572396 500 192 64 244 +90.97 ± 13.08 0 9 104 137 0 +196.45 ± 33.3
396369 ncm-dbt-05 583112 500 194 60 246 +95.44 ± 14.1 0 10 101 134 5 +198.34 ± 33.9
396368 ncm-dbt-03 584664 500 189 71 240 +83.57 ± 14.31 0 16 102 130 2 +174.55 ± 33.86
396367 ncm-dbt-02 584664 500 199 58 243 +100.7 ± 14.47 0 12 90 143 5 +211.87 ± 36.13
396366 ncm-dbt-01 584034 500 195 70 235 +88.74 ± 13.83 0 11 106 130 3 +185.33 ± 33.03
396365 ncm-dbt-04 569709 500 182 62 256 +85.04 ± 14.2 0 16 99 134 1 +179.9 ± 34.4
396364 ncm-dbt-05 585885 500 183 63 254 +85.04 ± 14.2 1 13 102 133 1 +181.7 ± 33.83
396363 ncm-dbt-01 586774 500 200 62 238 +98.44 ± 13.34 0 9 95 145 1 +213.85 ± 35.03
396362 ncm-dbt-03 586435 500 189 64 247 +88.74 ± 14.86 0 18 92 137 3 +185.33 ± 35.69
396361 ncm-dbt-02 589967 500 201 60 239 +100.7 ± 13.36 0 7 98 142 3 +215.85 ± 34.33
396360 ncm-dbt-04 568593 500 200 74 226 +89.48 ± 13.84 0 12 102 134 2 +189.0 ± 33.78
396359 ncm-dbt-05 585928 500 194 67 239 +90.22 ± 14.01 0 13 99 136 2 +190.85 ± 34.36
396358 ncm-dbt-01 586308 500 190 69 241 +85.78 ± 13.61 0 8 118 119 5 +174.55 ± 30.82
396357 ncm-dbt-03 587792 500 193 60 247 +94.69 ± 14.24 0 16 85 149 0 +206.01 ± 37.14
396356 ncm-dbt-02 587113 500 182 56 262 +89.48 ± 13.22 0 10 104 136 0 +192.71 ± 33.34
396355 ncm-dbt-04 565981 500 207 73 220 +95.44 ± 12.98 0 7 103 139 1 +206.01 ± 33.36
396354 ncm-dbt-05 581902 500 195 62 243 +94.69 ± 14.54 0 14 93 139 4 +198.34 ± 35.52
396353 ncm-dbt-01 585801 500 180 58 262 +86.52 ± 14.23 0 14 103 130 3 +179.9 ± 33.65
396352 ncm-dbt-03 586816 500 194 76 230 +83.57 ± 12.93 0 9 114 127 0 +178.11 ± 31.55
396351 ncm-dbt-02 588004 500 191 71 238 +85.04 ± 14.63 0 19 93 137 1 +179.9 ± 35.49
396350 ncm-dbt-04 570589 500 203 74 223 +91.71 ± 13.42 0 9 105 134 2 +194.57 ± 33.11
396349 ncm-dbt-05 584117 500 193 71 236 +86.52 ± 15.09 1 16 97 132 4 +179.9 ± 34.76
396348 ncm-dbt-01 585253 500 201 80 219 +85.78 ± 13.92 1 10 108 129 2 +181.7 ± 32.68
396347 ncm-dbt-03 583824 500 184 59 257 +88.74 ± 14.13 0 14 99 135 2 +187.16 ± 34.38
396346 ncm-dbt-04 569869 500 197 66 237 +93.2 ± 13.6 0 11 98 140 1 +200.24 ± 34.5
396345 ncm-dbt-02 587622 500 195 61 244 +95.44 ± 14.4 1 11 94 141 3 +204.07 ± 35.31
396344 ncm-dbt-01 582318 500 189 69 242 +85.04 ± 13.75 0 12 108 128 2 +178.11 ± 32.72
396343 ncm-dbt-05 583614 500 195 67 238 +90.97 ± 13.87 0 14 94 142 0 +196.45 ± 35.33
396342 ncm-dbt-03 583489 500 195 65 240 +92.45 ± 13.43 0 9 104 135 2 +196.45 ± 33.3
396341 ncm-dbt-04 571793 500 181 65 254 +82.1 ± 14.42 0 19 96 135 0 +174.55 ± 34.94
396340 ncm-dbt-02 583572 500 195 75 230 +85.04 ± 14.2 0 15 102 131 2 +178.11 ± 33.85
396339 ncm-dbt-01 587664 500 190 62 248 +90.96 ± 13.08 0 7 110 131 2 +192.71 ± 32.1
396338 ncm-dbt-04 571431 500 187 71 242 +82.1 ± 13.37 0 10 116 122 2 +171.02 ± 31.28
396337 ncm-dbt-02 588217 500 201 70 229 +93.2 ± 14.51 0 15 92 140 3 +196.45 ± 35.72
396336 ncm-dbt-03 588813 500 188 59 253 +91.71 ± 12.93 0 8 105 137 0 +198.34 ± 33.06
396335 ncm-dbt-05 601046 500 188 68 244 +85.04 ± 14.78 0 15 106 123 6 +171.02 ± 33.15

Commit

Commit ID ccbd060b01b7aea5373729c06882e2c4d6d53291
Author Shawn Xu
Date 2025-01-18 19:54:55 UTC
simplify razoring Passed Non-regression STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 93056 W: 24215 L: 24054 D: 44787 Ptnml(0-2): 364, 11085, 23470, 11244, 365 https://tests.stockfishchess.org/tests/view/67883a5d3b8f206a2696b804 Passed Non-regression LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 66564 W: 16971 L: 16794 D: 32799 Ptnml(0-2): 56, 7403, 18192, 7570, 61 https://tests.stockfishchess.org/tests/view/6789ffa78082388fa0cbfe95 closes https://github.com/official-stockfish/Stockfish/pull/5788 bench 1500649
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