| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: MinetaS
Date: Tue May 21 08:46:12 2024 +0200 Timestamp: 1716273972 Remove cutoffCnt margin adjustment in razoring Passed non-regression STC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 65344 W: 16767 L: 16578 D: 31999 Elo +1.00 Ptnml(0-2): 198, 7557, 16987, 7718, 212 https://tests.stockfishchess.org/tests/view/664bd895830eb9f886615a26 Passed non-regression LTC: LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 35214 W: 8999 L: 8791 D: 17424 Elo +2.05 Ptnml(0-2): 16, 3804, 9760, 4010, 17 https://tests.stockfishchess.org/tests/view/664bead5830eb9f886615a52 closes https://github.com/official-stockfish/Stockfish/pull/5278 Bench: 1296223 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: FauziAkram
Date: Tue May 21 08:44:59 2024 +0200 Timestamp: 1716273899 Refine Evaluation Scaling with Piece-Specific Weights Refine Evaluation Scaling with Piece-Specific Weights, instead of the simplified npm method. I took the initial idea from Viren6 , as he worked on it in September of last year. I worked on it, and tuned it, and now it passed both tests. Passed STC: LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 95712 W: 24731 L: 24325 D: 46656 Elo +1.47 Ptnml(0-2): 363, 11152, 24357, 11684, 300 https://tests.stockfishchess.org/tests/view/664b5493830eb9f886614af3 Passed LTC: LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 204480 W: 52167 L: 51501 D: 100812 Elo +1.13 Ptnml(0-2): 114, 22579, 56166, 23289, 92 https://tests.stockfishchess.org/tests/view/664b75dd830eb9f886614b44 closes https://github.com/official-stockfish/Stockfish/pull/5277 Bench: 1384337 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Shawn Xu
Date: Tue May 21 08:40:37 2024 +0200 Timestamp: 1716273637 Reduce When TTValue is Above Alpha Passed STC: LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 53376 W: 13818 L: 13476 D: 26082 Elo +2.23 Ptnml(0-2): 156, 6212, 13626, 6522, 172 https://tests.stockfishchess.org/tests/view/664aa261830eb9f8866145e5 Passed LTC: LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 393444 W: 100096 L: 99042 D: 194306 Elo +0.93 Ptnml(0-2): 191, 43516, 108248, 44582, 185 https://tests.stockfishchess.org/tests/view/664ab54f830eb9f88661463c closes https://github.com/official-stockfish/Stockfish/pull/5276 Bench: 1024562 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Michael Chaly
Date: Tue May 21 08:36:32 2024 +0200 Timestamp: 1716273392 Rescale pawn history updates This patch is somewhat of a continuation of recent pawn history gainers. It makes pawn history updates after search twice smaller. Since on average they make pawn history more negative offset is changed to lower value to remain average value approximately the same. https://tests.stockfishchess.org/tests/view/664b3af9830eb9f886614aab Passed STC: LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 170464 W: 44239 L: 43724 D: 82501 Elo +1.05 Ptnml(0-2): 523, 20278, 43128, 20767, 536 Passed LTC against pending PR : https://tests.stockfishchess.org/tests/view/664b8c58830eb9f886614b64 LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 98178 W: 25015 L: 24569 D: 48594 Elo +1.58 Ptnml(0-2): 48, 10769, 27005, 11223, 44 closes https://github.com/official-stockfish/Stockfish/pull/5275 Bench: 1343175 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: FauziAkram
Date: Tue May 21 08:27:16 2024 +0200 Timestamp: 1716272836 Use same shuffling Constant for both nets Passed STC: https://tests.stockfishchess.org/tests/view/664a42b15fc7b70b8817aeef LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 87840 W: 22759 L: 22594 D: 42487 Elo +0.65 Ptnml(0-2): 335, 10351, 22324, 10634, 276 Passed LTC: https://tests.stockfishchess.org/tests/view/664a46995fc7b70b8817af02 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 163122 W: 41443 L: 41367 D: 80312 Elo +0.16 Ptnml(0-2): 105, 18154, 44927, 18310, 65 closes https://github.com/official-stockfish/Stockfish/pull/5273 bench: 1190174 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Michael Chaly
Date: Tue May 21 08:17:20 2024 +0200 Timestamp: 1716272240 Update correction history in case of successful null move pruning Since null move pruning uses the same position it makes some sense to try to update correction history there in case of fail high. Update value is 4 times less than normal update. Passed STC: https://tests.stockfishchess.org/tests/view/664a011cae57c1758ac5b4dd LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 419360 W: 108390 L: 107505 D: 203465 Elo +0.73 Ptnml(0-2): 1416, 49603, 106724, 50554, 1383 Passed LTC: https://tests.stockfishchess.org/tests/view/664a53d95fc7b70b8817c65b LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 193518 W: 49076 L: 48434 D: 96008 Elo +1.15 Ptnml(0-2): 89, 21335, 53263, 21989, 83 closes https://github.com/official-stockfish/Stockfish/pull/5272 bench 1301487 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Linmiao Xu
Date: Tue May 21 08:13:25 2024 +0200 Timestamp: 1716272005 Re-eval only if smallnet output flips from simple eval Recent attempts to change the smallnet nnue re-eval threshold did not show much elo difference: https://tests.stockfishchess.org/tests/view/664a29bb25a9058c4d21d53c https://tests.stockfishchess.org/tests/view/664a299925a9058c4d21d53a Passed non-regression STC: https://tests.stockfishchess.org/tests/view/664a3ea95fc7b70b8817aee2 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 22304 W: 5905 L: 5664 D: 10735 Elo +3.75 Ptnml(0-2): 67, 2602, 5603, 2783, 97 Passed non-regression LTC: https://tests.stockfishchess.org/tests/view/664a43d35fc7b70b8817aef4 LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 37536 W: 9667 L: 9460 D: 18409 Elo +1.92 Ptnml(0-2): 25, 4090, 10321, 4317, 15 closes https://github.com/official-stockfish/Stockfish/pull/5271 bench 1287409 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Stefan Geschwentner
Date: Tue May 21 08:11:17 2024 +0200 Timestamp: 1716271877 Simplify the recently introduced ply-based cmh bonus factor. Replace it with a constant which is an approximation of the limit of the factor. STC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 120064 W: 30967 L: 30836 D: 58261 Elo +0.38 Ptnml(0-2): 421, 14238, 30608, 14319, 446 https://tests.stockfishchess.org/tests/view/6649d146b8fa20e74c39f4ad LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 53856 W: 13719 L: 13530 D: 26607 Elo +1.22 Ptnml(0-2): 31, 5879, 14922, 6062, 34 https://tests.stockfishchess.org/tests/view/664a027fae57c1758ac5b4ee closes https://github.com/official-stockfish/Stockfish/pull/5270 Bench: 1355618 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Michael Chaly
Date: Tue May 21 08:07:22 2024 +0200 Timestamp: 1716271642 Do more aggressive pawn history updates Tweak of recent patch that made pawn history to update for move that caused a fail low - and setting up default value of it to -900. This patch makes it more aggressive - twice bigger updates and default value -1100. Passed STC: https://tests.stockfishchess.org/tests/view/6648c5d4308cceea45533b5d LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 235200 W: 61090 L: 60476 D: 113634 Elo +0.91 Ptnml(0-2): 763, 27952, 59651, 28376, 858 Passed LTC: https://tests.stockfishchess.org/tests/view/664a1008ae57c1758ac5b523 LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 20076 W: 5193 L: 4908 D: 9975 Elo +4.93 Ptnml(0-2): 7, 2105, 5534, 2380, 12 closes https://github.com/official-stockfish/Stockfish/pull/5268 Bench: 1590474 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Stefan Geschwentner
Date: Tue May 21 08:04:44 2024 +0200 Timestamp: 1716271484 Tweak continuation history bonus dependent on ply. This patch is based on following tuning https://tests.stockfishchess.org/tests/view/6648b2eb308cceea45533abe by only using the tuned factors for the continuation history. Passed STC: LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 99904 W: 25865 L: 25457 D: 48582 Elo +1.42 Ptnml(0-2): 281, 11705, 25578, 12101, 287 https://tests.stockfishchess.org/tests/view/6648c136308cceea45533af8 Passed LTC: LLR: 2.96 (-2.94,2.94) <0.50,2.50> Total: 36402 W: 9362 L: 9039 D: 18001 Elo +3.08 Ptnml(0-2): 20, 3952, 9951, 4241, 37 https://tests.stockfishchess.org/tests/view/6648ee3cb8fa20e74c39f3fd closes https://github.com/official-stockfish/Stockfish/pull/5267 Bench: 1917762 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: cj5716
Date: Tue May 21 07:58:16 2024 +0200 Timestamp: 1716271096 Simplify ClippedReLU Removes some max calls Some speedup stats, courtesy of @AndyGrant (albeit measured in an alternate implementation) Dev 749240 nps Base 748495 nps Gain 0.100% 289936 games STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 203040 W: 52213 L: 52179 D: 98648 Elo +0.06 Ptnml(0-2): 480, 20722, 59139, 20642, 537 https://tests.stockfishchess.org/tests/view/664805fe6dcff0d1d6b05f2c closes #5261 No functional change see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Viren6
Date: Sun May 19 09:37:22 2024 +0200 Timestamp: 1716104242 Revert "Simplify Away Quadruple Extensions" This reverts commit 4edd1a3 The unusual result of (combined) +12.0 +- 3.7 in the 2 VVLTC simplification SPRTs ran was the result of base having only 64MB of hash instead of 512MB (Asymmetric hash). Vizvezdenec was the one to notice this. closes https://github.com/official-stockfish/Stockfish/pull/5265 bench 1404295 Co-Authored-By: Michael Chaly <26898827+> see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Muzhen Gaming
Date: Sat May 18 18:09:45 2024 +0200 Timestamp: 1716048585 VVLTC search tune Tuned with 85k games at VVLTC. VVLTC 1st sprt: https://tests.stockfishchess.org/tests/view/6648b836308cceea45533ad7 LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 14880 W: 3890 L: 3652 D: 7338 Elo +5.56 Ptnml(0-2): 0, 1255, 4694, 1489, 2 VVLTC 2nd sprt: https://tests.stockfishchess.org/tests/view/6648c34f308cceea45533b4f LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 24984 W: 6502 L: 6235 D: 12247 Elo +3.71 Ptnml(0-2): 1, 2178, 7867, 2445, 1 closes https://github.com/official-stockfish/Stockfish/pull/5264 Bench: 1198142 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Linmiao Xu
Date: Sat May 18 18:08:39 2024 +0200 Timestamp: 1716048519 Simplify away adjustEval lambda Now that only the shuffling constant differs between nets, a lambda for adjusting eval is no longer needed. Passed non-regression STC: https://tests.stockfishchess.org/tests/view/664806ca6dcff0d1d6b05f34 LLR: 2.99 (-2.94,2.94) <-1.75,0.25> Total: 31552 W: 8175 L: 7959 D: 15418 Elo +2.38 Ptnml(0-2): 76, 3180, 9065, 3362, 93 closes https://github.com/official-stockfish/Stockfish/pull/5260 No functional change see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Shawn Xu
Date: Sat May 18 09:32:21 2024 +0200 Timestamp: 1716017541 Simplify Away Quadruple Extensions serendipitous gainer Passed LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 95472 W: 24176 L: 24031 D: 47265 Elo +0.53 Ptnml(0-2): 52, 10533, 26414, 10692, 45 https://tests.stockfishchess.org/tests/live_elo/6647fa596dcff0d1d6b05efa Passed VVLTC 70+7 th 7: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 6772 W: 1793 L: 1583 D: 3396 Elo +10.78 Ptnml(0-2): 0, 502, 2172, 712, 0 https://tests.stockfishchess.org/tests/live_elo/6648277a6dcff0d1d6b05ffb Passed VVLTC 70+7 th 7 (2x): https://tests.stockfishchess.org/tests/view/66484c896dcff0d1d6b0619d LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 5424 W: 1469 L: 1254 D: 2701 Elo +13.78 Ptnml(0-2): 0, 394, 1710, 607, 1 closes https://github.com/official-stockfish/Stockfish/pull/5259 Bench: 1441794 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Linmiao Xu
Date: Sat May 18 09:29:26 2024 +0200 Timestamp: 1716017366 Use one nnue pawn count multiplier Switch to the value used by the main net. Passed non-regression STC: https://tests.stockfishchess.org/tests/view/6647e8096dcff0d1d6b05e96 LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 51040 W: 13249 L: 13044 D: 24747 Elo +1.40 Ptnml(0-2): 139, 6029, 13016, 6160, 176 Passed non-regression LTC: https://tests.stockfishchess.org/tests/view/6647f4a46dcff0d1d6b05eea LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 20460 W: 5195 L: 4972 D: 10293 Elo +3.79 Ptnml(0-2): 8, 2178, 5637, 2397, 10 https://github.com/official-stockfish/Stockfish/pull/5258 bench 1887462 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Shawn Xu
Date: Sat May 18 09:26:42 2024 +0200 Timestamp: 1716017202 Tweak NMP Formula Passed STC: LLR: 2.99 (-2.94,2.94) <0.00,2.00> Total: 241728 W: 62440 L: 61811 D: 117477 Elo +0.90 Ptnml(0-2): 914, 28467, 61458, 29126, 899 https://tests.stockfishchess.org/tests/live_elo/6645992993ce6da3e93b5b99 Passed LTC: LLR: 2.96 (-2.94,2.94) <0.50,2.50> Total: 167850 W: 42620 L: 42030 D: 83200 Elo +1.22 Ptnml(0-2): 82, 18412, 46354, 18988, 89 https://tests.stockfishchess.org/tests/live_elo/6647c5726dcff0d1d6b05dd3 closes https://github.com/official-stockfish/Stockfish/pull/5257 Bench: 1636018 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: FauziAkram
Date: Sat May 18 09:24:23 2024 +0200 Timestamp: 1716017063 Early Exit in Bitboards::sliding_attack() he original code checks for occupancy within the loop condition. By moving this check inside the loop and adding an early exit condition, we can avoid unnecessary iterations if a blocking piece is encountered. Passed stc: LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 127200 W: 33129 L: 32700 D: 61371 Elo +1.17 Ptnml(0-2): 424, 13243, 35826, 13694, 413 https://tests.stockfishchess.org/tests/view/664646006dcff0d1d6b05bca closes https://github.com/official-stockfish/Stockfish/pull/5256 No functional change see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Linmiao Xu
Date: Sat May 18 09:21:00 2024 +0200 Timestamp: 1716016860 Move smallnet threshold logic into a function Now that the smallnet threshold is no longer a constant, use a function to organize it with other eval code. Passed non-regression STC: https://tests.stockfishchess.org/tests/view/66459fa093ce6da3e93b5ba2 LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 217600 W: 56281 L: 56260 D: 105059 Elo +0.03 Ptnml(0-2): 756, 23787, 59729, 23736, 792 closes https://github.com/official-stockfish/Stockfish/pull/5255 No functional change see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Linmiao Xu
Date: Sat May 18 09:19:10 2024 +0200 Timestamp: 1716016750 Update default main net to nn-c721dfca8cd3.nnue Created by first retraining the spsa-tuned main net `nn-ae6a388e4a1a.nnue` with: - using v6-dd data without bestmove captures removed - addition of T80 mar2024 data - increasing loss by 20% when Q is too high - torch.compile changes for marginal training speed gains And then SPSA tuning weights of epoch 899 following methods described in: https://github.com/official-stockfish/Stockfish/pull/5149 This net was reached at 92k out of 120k steps in this 70+0.7 th 7 SPSA tuning run: https://tests.stockfishchess.org/tests/view/66413b7df9f4e8fc783c9bbb Thanks to @Viren6 for suggesting usage of: - c value 4 for the weights - c value 128 for the biases Scripts for automating applying fishtest spsa params to exporting tuned .nnue are in: https://github.com/linrock/nnue-tools/tree/master/spsa Before spsa tuning, epoch 899 was nn-f85738aefa84.nnue https://tests.stockfishchess.org/tests/view/663e5c893a2f9702074bc167 After initially training with max-epoch 800, training was resumed with max-epoch 1000. ``` experiment-name: 3072--S11--more-data-v6-dd-t80-mar2024--see-ge0-20p-more-loss-high-q-sk28-l8 nnue-pytorch-branch: linrock/nnue-pytorch/3072-r21-skip-more-wdl-see-ge0-20p-more-loss-high-q-torch-compile-more start-from-engine-test-net: False start-from-model: /data/config/apr2024-3072/nn-ae6a388e4a1a.nnue early-fen-skipping: 28 training-dataset: /data/S11-mar2024/: - leela96.v2.min.binpack - test60-2021-11-12-novdec-12tb7p.v6-dd.min.binpack - test78-2022-01-to-05-jantomay-16tb7p.v6-dd.min.binpack - test80-2022-06-jun-16tb7p.v6-dd.min.binpack - test80-2022-08-aug-16tb7p.v6-dd.min.binpack - test80-2022-09-sep-16tb7p.v6-dd.min.binpack - test80-2023-01-jan-16tb7p.v6-sk20.min.binpack - test80-2023-02-feb-16tb7p.v6-sk20.min.binpack - test80-2023-03-mar-2tb7p.v6-sk16.min.binpack - test80-2023-04-apr-2tb7p.v6-sk16.min.binpack - test80-2023-05-may-2tb7p.v6.min.binpack # https://github.com/official-stockfish/Stockfish/pull/4782 - test80-2023-06-jun-2tb7p.binpack - test80-2023-07-jul-2tb7p.binpack # https://github.com/official-stockfish/Stockfish/pull/4972 - test80-2023-08-aug-2tb7p.v6.min.binpack - test80-2023-09-sep-2tb7p.binpack - test80-2023-10-oct-2tb7p.binpack # S9 new data: https://github.com/official-stockfish/Stockfish/pull/5056 - test80-2023-11-nov-2tb7p.binpack - test80-2023-12-dec-2tb7p.binpack # S10 new data: https://github.com/official-stockfish/Stockfish/pull/5149 - test80-2024-01-jan-2tb7p.binpack - test80-2024-02-feb-2tb7p.binpack # S11 new data - test80-2024-03-mar-2tb7p.binpack /data/filt-v6-dd/: - test77-dec2021-16tb7p-filter-v6-dd.binpack - test78-juntosep2022-16tb7p-filter-v6-dd.binpack - test79-apr2022-16tb7p-filter-v6-dd.binpack - test79-may2022-16tb7p-filter-v6-dd.binpack - test80-jul2022-16tb7p-filter-v6-dd.binpack - test80-oct2022-16tb7p-filter-v6-dd.binpack - test80-nov2022-16tb7p-filter-v6-dd.binpack num-epochs: 1000 lr: 4.375e-4 gamma: 0.995 start-lambda: 0.8 end-lambda: 0.7 ``` Training data can be found at: https://robotmoon.com/nnue-training-data/ Local elo at 25k nodes per move: nn-epoch899.nnue : 4.6 +/- 1.4 Passed STC: https://tests.stockfishchess.org/tests/view/6645454893ce6da3e93b31ae LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 95232 W: 24598 L: 24194 D: 46440 Elo +1.47 Ptnml(0-2): 294, 11215, 24180, 11647, 280 Passed LTC: https://tests.stockfishchess.org/tests/view/6645522d93ce6da3e93b31df LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 320544 W: 81432 L: 80524 D: 158588 Elo +0.98 Ptnml(0-2): 164, 35659, 87696, 36611, 142 closes https://github.com/official-stockfish/Stockfish/pull/5254 bench 1995552 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Rak Laptudirm
Date: Sat May 18 09:18:14 2024 +0200 Timestamp: 1716016694 Improve comment closes https://github.com/official-stockfish/Stockfish/pull/5249 No functional change see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Linmiao Xu
Date: Thu May 16 14:19:28 2024 +0200 Timestamp: 1715861968 Lower smallnet threshold linearly as pawn count decreases Passed STC: https://tests.stockfishchess.org/tests/view/6644f677324e96f42f89d894 LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 377920 W: 97135 L: 96322 D: 184463 Elo +0.75 Ptnml(0-2): 1044, 44259, 97588, 44978, 1091 Passed LTC: https://tests.stockfishchess.org/tests/view/664548af93ce6da3e93b31b3 LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 169056 W: 42901 L: 42312 D: 83843 Elo +1.21 Ptnml(0-2): 58, 18538, 46753, 19115, 64 closes https://github.com/official-stockfish/Stockfish/pull/5252 Bench: 1991750 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Muzhen Gaming
Date: Thu May 16 14:17:53 2024 +0200 Timestamp: 1715861873 Revert "Reduce more when improving and ttvalue is lower than alpha" The patch regressed significantly at longer time controls. Passed VLTC: https://tests.stockfishchess.org/tests/view/6644c7a2bc537f5619453096 LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 43336 W: 11177 L: 10884 D: 21275 Elo +2.35 Ptnml(0-2): 3, 4432, 12507, 4721, 5 Passed VVLTC: https://tests.stockfishchess.org/tests/view/66450c974aa4fa9a83b6d0b0 LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 32394 W: 8350 L: 8072 D: 15972 Elo +2.98 Ptnml(0-2): 2, 2798, 10317, 3080, 0 closes https://github.com/official-stockfish/Stockfish/pull/5251 Bench: 1594188 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: Linmiao Xu
Date: Thu May 16 14:16:54 2024 +0200 Timestamp: 1715861814 Use same nnue divisor for both nets Passed non-regression STC: https://tests.stockfishchess.org/tests/view/6643ceeabc537f56194506f6 LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 224800 W: 57910 L: 57896 D: 108994 Elo +0.02 Ptnml(0-2): 673, 26790, 57519, 26686, 732 Passed non-regression LTC: https://tests.stockfishchess.org/tests/view/6643ff15bc537f5619451719 LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 347658 W: 87574 L: 87688 D: 172396 Elo -0.11 Ptnml(0-2): 207, 39004, 95488, 38956, 174 closes https://github.com/official-stockfish/Stockfish/pull/5250 Bench: 1804704 see source |
| Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64 | Author: FauziAkram
Date: Wed May 15 16:27:03 2024 +0200 Timestamp: 1715783223 Simplifying improving and worsening deduction formulas Passed STC: LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 77696 W: 20052 L: 19878 D: 37766 Elo +0.78 Ptnml(0-2): 222, 9124, 19994, 9274, 234 https://tests.stockfishchess.org/tests/view/66440032bc537f561945171e Passed LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 234414 W: 58874 L: 58871 D: 116669 Elo +0.00 Ptnml(0-2): 96, 26147, 64742, 26102, 120 https://tests.stockfishchess.org/tests/view/6644094cbc537f5619451735 closes https://github.com/official-stockfish/Stockfish/pull/5248 Bench: 1336738 see source |