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Author SHA1 Message Date
Steinar H. Gunderson 5d3f71f72d Merge commit '2ce47573b4d3664dca4cbc4354c8c600540d16ad' into cluster 
This is the last commit before there are more conflicts.
 2025-12-25 17:22:27 +01:00
Steinar H. Gunderson 34a07438c0 Merge commit '3ac75cd27d914da29280163c9d391bbca414d766' into cluster 2025-12-25 17:10:14 +01:00
Steinar H. Gunderson fa1ab27e15 Merge commit 'aff1f67997cd2584ea7c82d967ac7bfd4cc77861' into cluster 
This is the last commit before there are more conflicts.
 2025-12-25 16:59:53 +01:00
Steinar H. Gunderson e8bc8639fc Merge commit '93869d5d0aab2f7121bdf227def3a942c9fcde17' into cluster 2025-12-25 16:59:18 +01:00
Steinar H. Gunderson a5c89f4592 Merge commit '60351b9df901ff5278f208a9cf3a40059ff54832' into cluster 
This is the last commit before there are more conflicts.
 2025-12-25 16:56:54 +01:00
Steinar H. Gunderson a449238954 Merge commit '703f17975bd9c29172a27f795ca6b5a7d0a32b25' into cluster 2025-12-25 16:55:54 +01:00
Steinar H. Gunderson 0043886170 Merge commit 'e57fba7fc9be461cbb97c063b269a1e231cdd284' into cluster 
This is the last commit before there are more conflicts.
 2025-12-25 16:54:13 +01:00
Steinar H. Gunderson 0814961843 Merge commit '6135a0e2f830a587d2ac7a332bb62188fa924aad' into cluster 2025-12-25 16:52:43 +01:00
Steinar H. Gunderson 1cffdc1ce4 Merge commit '7e72b37e4ce3351399bb0ac08686bd84cdc4fba9' into cluster 2025-12-25 16:03:31 +01:00
Steinar H. Gunderson 0c451731c6 Merge commit '98a7bb4436f04505a17f37befab0207252e97897' into cluster 
This is the last commit before there are more conflicts.
 2025-12-25 16:00:06 +01:00
Steinar H. Gunderson a20c6d296a Merge commit '362a77a3450335e1940020c080bf3b7b361c594a' into cluster 2025-12-25 15:53:03 +01:00
Steinar H. Gunderson d002e92294 Merge commit 'b209f14b1ee0cda8cbd7fa3a8349e65701d1869f' into cluster 
This is the last commit before there are more conflicts.
 2025-12-25 15:48:01 +01:00
Steinar H. Gunderson d83e63c163 Merge commit '5d3517c601c64d026824251784dd44f0cbf14873' into cluster 2025-12-25 15:30:32 +01:00
Steinar H. Gunderson d7cf6e22fd Merge commit '5752529cabb3270e055147709ff0847e4d59ec22' into cluster 
This is the last commit before there are more conflicts.
 2025-12-25 15:27:42 +01:00
Steinar H. Gunderson d1b19aad2f Merge commit '2cbc20e846e46da8bfc8e254a7703a0bfad3b850' into cluster 2025-12-25 15:26:23 +01:00
Steinar H. Gunderson 8f9e750782 Merge commit '3c379e55d9d92a5704632c6255e72892a4db9a2f' into cluster 
This is the last commit before there are more conflicts.
 2025-12-25 15:22:41 +01:00
Steinar H. Gunderson cefd309d92 Merge commit '25361e514bffb81284d4311601a9f7a4a7ced79b' into cluster 2025-12-25 15:22:02 +01:00
Steinar H. Gunderson 46264c6ed7 Merge commit '74a8fc060465a822f0c047f908d5fb07ebc6ad96' into cluster 
This is the last commit before there are more conflicts.
 2025-12-25 15:16:24 +01:00
Steinar H. Gunderson 5c9ed18b48 Merge commit 'b01fdb596a196f966549f7132c042ab67962fbbd' into cluster 2025-12-25 15:16:01 +01:00
Steinar H. Gunderson 7df644a00a Merge commit '44cddbd962c738678f407a7414efa5b93f0710d9' into cluster 
This is the last commit before there are more conflicts.
 2025-12-25 15:10:02 +01:00
Steinar H. Gunderson 876495975e Merge commit 'c8213ba0d047569141ed58f5eb86579d976b5614' into cluster 
As part of this work, we needed to rename the namespace Stockfish::Cluster
to Stockfish::Distributed, as Cluster is now a type name.
 2025-12-25 00:17:08 +01:00
Steinar H. Gunderson f358a30ea0 Merge commit '7e890fd048e22bfd213d46ec8eb88f7931f0315d' into cluster 
This is the last commit before there are more conflicts.
 2025-12-24 16:29:33 +01:00
Steinar H. Gunderson 5034cf6593 Merge commit '66ed4312f22a951aaa01bbb87b2d730656b8f2c1' into cluster 2025-12-24 16:28:21 +01:00
Steinar H. Gunderson 52d8388101 Merge commit 'e6c83beed12a6d3d17c69bea4bcf1a397bc60c86' into cluster 
This is the last commit before there are more conflicts.
 2025-12-24 16:27:16 +01:00
Steinar H. Gunderson 9770899bf7 Merge commit '5688b188cc8560e107815c83a7084220fddebdb9' into cluster 2025-12-24 16:26:53 +01:00
Steinar H. Gunderson 639294636e Merge commit '36eb9bc783d35842571d0d4313349b964892d9ca' into cluster 
This is the last commit before there are more conflicts.
 2025-12-24 16:26:07 +01:00
Steinar H. Gunderson 75138525c7 Merge commit '00a28ae325688346e63a452b2050bd1491085359' into cluster 2025-12-24 16:25:32 +01:00
Steinar H. Gunderson 784db2cbed Merge commit 'a2a7edf4c8fa145667135bf1bc7f4f67016f7608' into cluster 
This is the last commit before there are more conflicts.
 2025-12-24 16:19:29 +01:00
Steinar H. Gunderson bc81aa0911 Merge commit 'a169c78b6d3b082068deb49a39aaa1fd75464c7f' into cluster 2025-12-24 16:18:37 +01:00
Steinar H. Gunderson e56697e3f1 Merge commit 'b0287dcb1c436887075962b596cf2068d2ca9ba8' into cluster 
This is the last commit before there are more conflicts.
 2025-12-24 15:23:14 +01:00
Steinar H. Gunderson 125f4f3df0 Merge commit 'ed79745bb9e7207b604c62758ea45dd5c597ed8d' into cluster 2025-12-24 15:22:12 +01:00
Steinar H. Gunderson ea9a328340 Merge commit 'c14b69790a62aad89fcc471cde482923dfe57f1e' into cluster 
This is the last commit before there are more conflicts.
 2025-12-24 15:17:55 +01:00
Steinar H. Gunderson fb9a3d3323 Merge commit '2dbb44e28d2e5b3c72ddbbd6f436d41f75031a22' into cluster 2025-12-24 15:17:18 +01:00
Steinar H. Gunderson 649004ed47 Merge commit 'db147fe2586527a854516016699949af53dc5b17' into cluster 
This is the last commit before there are more conflicts.
 2025-12-24 15:14:23 +01:00
Steinar H. Gunderson b7045f1bf6 Merge commit 'bc45cbc820a53a9fc405c06ca67bd7be3970344e' into cluster 2025-12-24 15:13:28 +01:00
Steinar H. Gunderson 5f5f991780 Merge commit '3502c8ae426506453ca64e87e48d962b327c2356' into cluster 2025-12-24 15:12:37 +01:00
Steinar H. Gunderson ba47c8eeeb Merge commit 'ddd250b9d655117920dd65a973cea2f8b3c57fce' into cluster 2025-12-24 15:03:08 +01:00
Steinar H. Gunderson 6b6279098d Merge commit 'd47aa639bd614b37a59f87e6ab68496580f0cf3e' into cluster 
This is the last commit before there are more conflicts.
 2025-12-24 15:02:03 +01:00
Steinar H. Gunderson 2a1ed1267e Merge commit 'd3fc1d835e5144cc98d6a7658fb8cfd9370792f1' into cluster 2025-12-24 14:37:41 +01:00
Steinar H. Gunderson 8e509e240a Merge commit '432995ad82119070afa0bf720eb65d800bcbf817' into cluster 
This is the last commit before there are more conflicts.
 2025-12-24 13:57:03 +01:00
Steinar H. Gunderson 1b80a18fac Merge commit '4912f5b0b5f2656bc5fcdb0af480765ad5aa8932' into cluster 2025-12-24 13:55:47 +01:00
Steinar H. Gunderson ee41dc5c98 Merge commit '14f6eab07d1d1e1a59372974e5534128676e9440' into cluster 
This is the last commit before there are more conflicts.
 2025-12-24 13:51:24 +01:00
Steinar H. Gunderson f0793a2080 Merge commit '9032c6cbe74ccf7e8963755501e7e6cc473ae471' into cluster 
This is a rather involved merge, since the cluster changes interact
fairly badly with the refactoring we're merging:

The new code wants the search to know nothing at all about the UCI protocol,
it just calls a callback with some worker information (including a Position),
which then transforms that information into a InfoFull which is then sent
through another callback, upon which UCIEngine converts it to UCI and writes
it to stdout.

On the other hand, the MPI information wants to exchange PVs between workers
at this point, and it wants to use the UCI string as the primary medium of
exchange. Position is a lot of work to serialize, so we choose a middle road;
we capture the InfoFull by switching out the callback, serializes it, does the
MPI exchange on that, unserializes it and then continues with the print callback
(if there is new information).
 2025-12-24 13:50:14 +01:00
Steinar H. Gunderson a3cb287405 Merge commit '299707d2c2cbf1694bb21ed4a375b54ef35d719e' into cluster 2025-12-23 16:21:07 +01:00
FauziAkramandDisservin 2ce47573b4 Remove -stat_malus(newDepth) 
Passed STC:
LLR: 2.97 (-2.94,2.94) <-1.75,0.25>
Total: 92544 W: 23940 L: 23778 D: 44826
Ptnml(0-2): 286, 10936, 23638, 11154, 258
https://tests.stockfishchess.org/tests/view/670c3d6986d5ee47d953c30b

Passed LTC:
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 43164 W: 10986 L: 10786 D: 21392
Ptnml(0-2): 27, 4713, 11905, 4907, 30
https://tests.stockfishchess.org/tests/view/670eda3d86d5ee47d953c51d

closes https://github.com/official-stockfish/Stockfish/pull/5639

Bench: 1281912
 2024-10-31 09:25:59 +01:00
FauziAkramandDisservin b325b2c348 Simplify bestValue formula 
Passed STC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 45888 W: 12051 L: 11841 D: 21996
Ptnml(0-2): 123, 5356, 11807, 5504, 154
https://tests.stockfishchess.org/tests/view/670bb89086d5ee47d953c2d8

Passed LTC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 51336 W: 13021 L: 12830 D: 25485
Ptnml(0-2): 34, 5594, 14227, 5773, 40
https://tests.stockfishchess.org/tests/view/670c587f86d5ee47d953c31b

closes https://github.com/official-stockfish/Stockfish/pull/5637

Bench: 1192999
 2024-10-31 09:25:59 +01:00
FauziAkramandDisservin 7f386d109e Remove material corrHist 
Passed STC:
LLR: 2.96 (-2.94,2.94) <-1.75,0.25>
Total: 80832 W: 21150 L: 20975 D: 38707
Ptnml(0-2): 283, 9531, 20598, 9736, 268
https://tests.stockfishchess.org/tests/view/670302fe86d5ee47d953bd68

Passed LTC:
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 46008 W: 11621 L: 11423 D: 22964
Ptnml(0-2): 30, 5072, 12606, 5262, 34
https://tests.stockfishchess.org/tests/view/6704074686d5ee47d953be53

Passed LTC Rebased:
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 95814 W: 24340 L: 24195 D: 47279
Ptnml(0-2): 71, 10497, 26602, 10690, 47
https://tests.stockfishchess.org/tests/view/670ae1ac86d5ee47d953c262

closes https://github.com/official-stockfish/Stockfish/pull/5636

Bench: 1119774
 2024-10-31 09:25:56 +01:00
Taras VukandDisservin bf2a0d5392 Simplify internal iterative reductions 
Passed STC:
LLR: 2.92 (-2.94,2.94) <-1.75,0.25>
Total: 138656 W: 36182 L: 36074 D: 66400
Ptnml(0-2): 523, 16422, 35310, 16570, 503
https://tests.stockfishchess.org/tests/view/6702beb386d5ee47d953bd41

Passed LTC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 680844 W: 172021 L: 172480 D: 336343
Ptnml(0-2): 492, 76259, 187419, 75720, 532
https://tests.stockfishchess.org/tests/view/67042b1f86d5ee47d953be7c

closes https://github.com/official-stockfish/Stockfish/pull/5634

Bench: 1169252
 2024-10-31 09:13:35 +01:00
FauziAkramandDisservin 2f3e6198e8 Simplify optimism divisor. 
Passed STC:
LLR: 2.97 (-2.94,2.94) <-1.75,0.25>
Total: 139360 W: 36143 L: 36033 D: 67184
Ptnml(0-2): 436, 16456, 35778, 16582, 428
https://tests.stockfishchess.org/tests/view/66fc49c786d5ee47d953b94e

Passed LTC:
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 257748 W: 65163 L: 65184 D: 127401
Ptnml(0-2): 173, 28471, 71611, 28442, 177
https://tests.stockfishchess.org/tests/view/66ff01ae86d5ee47d953bb54

Passed LTC against rebased version:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 53610 W: 13691 L: 13501 D: 26418
Ptnml(0-2): 52, 5942, 14605, 6176, 30
https://tests.stockfishchess.org/tests/view/670a9c5c86d5ee47d953c231

closes https://github.com/official-stockfish/Stockfish/pull/5633

Bench: 1282078
 2024-10-31 09:12:34 +01:00
Linmiao XuandDisservin 656b2cb645 Update default main net to nn-1cedc0ffeeee.nnue 
Created by setting output weights (256) and biases (8) of the previous main net
nn-1111cefa1111.nnue to values found with spsa after 38k / 120k games at 120+1.2
using the same method as:
https://github.com/official-stockfish/Stockfish/pull/5459

nn-1111cefa1111.nnue -> nn-1cedc0ffeeee.nnue
  # weights changed: 185
  mean: 0.0703 +/- 2.53
  min: -6
  max:  6

Passed STC:
https://tests.stockfishchess.org/tests/view/6703589b86d5ee47d953bda1
LLR: 2.93 (-2.94,2.94) <0.00,2.00>
Total: 101984 W: 26690 L: 26275 D: 49019
Ptnml(0-2): 375, 11944, 25926, 12385, 362

Passed LTC:
https://tests.stockfishchess.org/tests/view/670542d286d5ee47d953befa
LLR: 2.94 (-2.94,2.94) <0.50,2.50>
Total: 106224 W: 27079 L: 26618 D: 52527
Ptnml(0-2): 71, 11508, 29487, 11981, 65

closes https://github.com/official-stockfish/Stockfish/pull/5632

Bench: 1351413
 2024-10-31 09:12:20 +01:00