 Muzhen GamingandJoost VandeVondele
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d64d4ac426
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Simplify away depth condition for aspiration window adjust
Simplification STC:
https://tests.stockfishchess.org/tests/view/64351654596a20f264276ded
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 374664 W: 98942 L: 99089 D: 176633
Ptnml(0-2): 1049, 41767, 101878, 41558, 1080
Simplification LTC:
https://tests.stockfishchess.org/tests/view/6439499f605991a801b4f684
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 457880 W: 123021 L: 123233 D: 211626
Ptnml(0-2): 166, 44739, 139335, 44541, 159
closes https://github.com/official-stockfish/Stockfish/pull/4534
Bench: 3879281
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2023-04-22 10:59:33 +02:00 |
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Muzhen GamingandJoost VandeVondele
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c90dd38903
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Simplify away complexity in evaluation
Simplification STC: https://tests.stockfishchess.org/tests/view/64394bc0605991a801b4f6f0
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 72360 W: 19313 L: 19138 D: 33909
Ptnml(0-2): 206, 7883, 19800, 8112, 179
Simplification LTC: https://tests.stockfishchess.org/tests/view/6439e788c233ce943b6bdac1
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 224992 W: 60665 L: 60654 D: 103673
Ptnml(0-2): 96, 21875, 68526, 21920, 79
closes https://github.com/official-stockfish/Stockfish/pull/4530
Bench: 3709369
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2023-04-22 10:43:29 +02:00 |
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Muzhen GamingandJoost VandeVondele
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a2737d8bb5
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Simplify away piece count condition for useClassical
Simplify away the piece count condition for useClassical. In compensation, the psq requirement is increased by 15%.
Also updated the Elo estimate for useClassical, based on recent testing.
Simplification STC:
https://tests.stockfishchess.org/tests/view/642acbb577ff3301150d3ef5
LLR: 2.96 (-2.94,2.94) <-1.75,0.25>
Total: 51984 W: 13906 L: 13707 D: 24371
Ptnml(0-2): 150, 5638, 14227, 5817, 160
Simplification LTC:
https://tests.stockfishchess.org/tests/view/642b9c5777ff3301150d778a
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 119696 W: 32412 L: 32300 D: 54984
Ptnml(0-2): 53, 11529, 36567, 11651, 48
closes https://github.com/official-stockfish/Stockfish/pull/4494
Bench: 5089321
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2023-04-05 08:18:53 +02:00 |
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Muzhen GamingandJoost VandeVondele
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c3c46feebb
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Remove reduction for moving threatened piece
Simplify away "Decrease reduction if we move a threatened piece".
Running a dbg_hit_on() shows that this line is only called ~0.12% of the time.
Simplification STC: https://tests.stockfishchess.org/tests/view/641ec2dcdb43ab2ba6f88103
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 146128 W: 39168 L: 39070 D: 67890
Ptnml(0-2): 466, 16117, 39830, 16155, 496
Simplification LTC: https://tests.stockfishchess.org/tests/view/64200689db43ab2ba6f8bca8
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 248016 W: 66703 L: 66714 D: 114599
Ptnml(0-2): 105, 24202, 75406, 24189, 106
closes https://github.com/official-stockfish/Stockfish/pull/4471
Bench: 4961236
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2023-04-01 15:53:46 +02:00 |
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Muzhen GamingandJoost VandeVondele
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d2f79ff0e0
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Remove reduced LMR capture bonus
In LMR, simplify away the reduced capture bonus (i.e. if (capture) bonus /= 6).
Non-regression STC: https://tests.stockfishchess.org/tests/view/63da1da9bbadd17b3787dced
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 28152 W: 7521 L: 7296 D: 13335
Ptnml(0-2): 76, 3069, 7568, 3280, 83
Non-regression LTC: https://tests.stockfishchess.org/tests/view/63da6ad4bbadd17b3787e98c
LLR: 2.96 (-2.94,2.94) <-1.75,0.25>
Total: 52472 W: 14120 L: 13941 D: 24411
Ptnml(0-2): 16, 5071, 15887, 5242, 20
closes https://github.com/official-stockfish/Stockfish/pull/4378
Bench: 4034016
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2023-02-03 20:15:09 +01:00 |
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Muzhen GamingandJoost VandeVondele
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0827e00f10
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Decrease reduction for killer moves with good history
If move is a main killer and we have a good history, decrease reduction.
STC: https://tests.stockfishchess.org/tests/view/63d38b37721fe2bff693069a
LLR: 2.95 (-2.94,2.94) <0.00,2.00>
Total: 46688 W: 12542 L: 12222 D: 21924
Ptnml(0-2): 126, 5013, 12769, 5287, 149
LTC: https://tests.stockfishchess.org/tests/view/63d471e2bde6e5f3cb4be5d3
LLR: 2.93 (-2.94,2.94) <0.50,2.50>
Total: 130976 W: 35033 L: 34555 D: 61388
Ptnml(0-2): 38, 12551, 39833, 13027, 39
closes https://github.com/official-stockfish/Stockfish/pull/4369
Bench: 4069938
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2023-02-02 17:45:57 +01:00 |
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Muzhen GamingandJoost VandeVondele
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64656f8583
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Add double bonus for prior countermove fail low
Add a double extra bonus for particularly bad fail low cases. Original idea by Yoshie2000.
STC: https://tests.stockfishchess.org/tests/view/63a2f0d86b5bf07ac7fad543
LLR: 2.94 (-2.94,2.94) <0.00,2.00>
Total: 146488 W: 38992 L: 38532 D: 68964
Ptnml(0-2): 385, 16036, 39965, 16450, 408
LTC: https://tests.stockfishchess.org/tests/view/63a3eaeb6b5bf07ac7fafdec
LLR: 2.95 (-2.94,2.94) <0.50,2.50>
Total: 103992 W: 27853 L: 27423 D: 48716
Ptnml(0-2): 41, 10029, 31435, 10441, 50
closes https://github.com/official-stockfish/Stockfish/pull/4302
Bench: 3801857
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2022-12-24 16:01:50 +01:00 |
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