Finished
WorldRecklessnmp-butterfly-and-pawn-corrhist-2diff8.0+0.08
LLR: -2.10 (-2.25, 2.89) [0.00, 4.00]
Games: 14340 W: 3449 L: 3502 D: 7389
Ptnml(0-2): 72, 1747, 3588, 1688, 75
same as nmp-butterfly-and-pawn-corrhist, but sums histories instead of averaging
WorldRecklessmore-nmp-historydiff8.0+0.08
LLR: -1.44 (-2.25, 2.89) [0.00, 4.00]
Games: 22010 W: 5273 L: 5272 D: 11465
Ptnml(0-2): 105, 2639, 5511, 2650, 100
increase maximum correction
WorldRecklessrfp-static-eval-guarddiff8.0+0.08
LLR: -1.72 (-2.25, 2.89) [0.00, 4.00]
Games: 7824 W: 1856 L: 1911 D: 4057
Ptnml(0-2): 45, 952, 1961, 921, 33
skip rfp if static_eval >= beta
WorldRecklessrazoring-verificationdiff8.0+0.08
LLR: -2.26 (-2.25, 2.89) [0.00, 4.00]
Games: 8212 W: 1938 L: 2018 D: 4256
Ptnml(0-2): 37, 1071, 1970, 991, 37
WorldRecklessnull-move-historydiff8.0+0.08
LLR: 2.94 (-2.25, 2.89) [0.00, 4.00]
Games: 52018 W: 12534 L: 12241 D: 27243
Ptnml(0-2): 244, 6121, 12991, 6404, 249
adjust nmp margin by null move history (indexed by stm & previous move)
WorldRecklesslmr-cn-killersdiff8.0+0.08
LLR: -2.32 (-2.25, 2.89) [0.00, 4.00]
Games: 19612 W: 4710 L: 4757 D: 10145
Ptnml(0-2): 100, 2372, 4907, 2329, 98
don't apply cut node reduction for killers
WorldRecklessnmp-tt-fail-highdiff8.0+0.08
LLR: -2.30 (-2.25, 2.89) [0.00, 4.00]
Games: 22310 W: 5326 L: 5364 D: 11620
Ptnml(0-2): 115, 2701, 5548, 2689, 102
more nmp when tt entry suggests a fail high
WorldRecklessnmp-return-verified-scorediff8.0+0.08
LLR: -2.25 (-2.25, 2.89) [0.00, 4.00]
Games: 12562 W: 2924 L: 2987 D: 6651
Ptnml(0-2): 59, 1441, 3335, 1396, 50
WorldRecklesscorrhist-more-momentumdiff8.0+0.08
LLR: -2.26 (-2.25, 2.89) [0.00, 4.00]
Games: 14856 W: 3487 L: 3545 D: 7824
Ptnml(0-2): 66, 1815, 3709, 1787, 51
larger bonus for corrhist updates (2 * diff * depth)
WorldRecklessrfp-null-movediff8.0+0.08
LLR: -2.37 (-2.25, 2.89) [0.00, 4.00]
Games: 7968 W: 1858 L: 1942 D: 4168
Ptnml(0-2): 37, 997, 1998, 917, 35
more rfp when no tt move (likely to fail high)
WorldRecklesslmr-more-noisy-rulesdiff8.0+0.08
LLR: -2.27 (-2.25, 2.89) [0.00, 4.00]
Games: 17494 W: 4142 L: 4193 D: 9159
Ptnml(0-2): 88, 2130, 4346, 2111, 72
allow some lmr rules for noisy moves
WorldRecklesspruning-reduction-depthdiff8.0+0.08
LLR: -2.27 (-2.25, 2.89) [0.00, 4.00]
Games: 70860 W: 16947 L: 16835 D: 37078
Ptnml(0-2): 340, 8556, 17538, 8644, 352
apply lmr reduction to pruning only if depth >= 3
WorldRecklessreduce-killers-even-lessdiff8.0+0.08
LLR: -2.38 (-2.25, 2.89) [0.00, 4.00]
Games: 17730 W: 4213 L: 4269 D: 9248
Ptnml(0-2): 81, 2211, 4359, 2111, 103
reduce killers less (1024 -> 1792)
WorldRecklessgranular-nmp-2diff8.0+0.08
LLR: -2.41 (-2.25, 2.89) [0.00, 4.00]
Games: 12090 W: 2850 L: 2924 D: 6316
Ptnml(0-2): 51, 1523, 2984, 1423, 64
corrplexity introduced with fractional nmp
WorldRecklessgranular-nmpdiff8.0+0.08
LLR: -1.55 (-2.25, 2.89) [0.00, 4.00]
Games: 55814 W: 13361 L: 13262 D: 29191
Ptnml(0-2): 249, 6785, 13749, 6866, 258
WorldRecklesslmp-qsearchdiff8.0+0.08
LLR: 2.96 (-2.25, 2.89) [0.00, 4.00]
Games: 10770 W: 2661 L: 2490 D: 5619
Ptnml(0-2): 52, 1246, 2625, 1403, 59
search 2 moves in qsearch at most
WorldRecklessl1-640diff8.0+0.08
LLR: 2.89 (-2.25, 2.89) [0.00, 4.00]
Games: 6676 W: 1758 L: 1603 D: 3315
Ptnml(0-2): 36, 725, 1668, 866, 43
WorldRecklessnull-move-history-3diff8.0+0.08
LLR: -1.21 (-2.25, 2.89) [0.00, 4.00]
Games: 9438 W: 2227 L: 2254 D: 4957
Ptnml(0-2): 42, 1184, 2302, 1141, 50
WorldRecklesshistory-alpha-raise-2diff8.0+0.08
LLR: -0.80 (-2.25, 2.89) [0.00, 4.00]
Games: 5200 W: 1241 L: 1262 D: 2697
Ptnml(0-2): 27, 631, 1313, 594, 35
update quiet history on exact nodes too
WorldRecklesshistory-alpha-raisediff8.0+0.08
LLR: -2.27 (-2.25, 2.89) [0.00, 4.00]
Games: 2704 W: 596 L: 691 D: 1417
Ptnml(0-2): 11, 367, 693, 268, 13
update all histories on exact nodes too
WorldRecklessnull-move-history-2diff8.0+0.08
LLR: -0.86 (-2.25, 2.89) [0.00, 4.00]
Games: 10002 W: 2407 L: 2416 D: 5179
Ptnml(0-2): 53, 1201, 2503, 1190, 54
adjust nmp margin by null move history (indexed by stm & previous move) with a clamp (-64, 32)
WorldRecklessnmp-improving-2diff8.0+0.08
LLR: -1.46 (-2.25, 2.89) [0.00, 4.00]
Games: 10652 W: 2491 L: 2525 D: 5636
Ptnml(0-2): 50, 1276, 2699, 1260, 41
reduce nmp margin when improving by 60
WorldRecklesssimd-l1-640diff8.0+0.08
LLR: 2.39 (-2.25, 2.89) [0.00, 4.00]
Games: 8044 W: 2051 L: 1915 D: 4078
Ptnml(0-2): 43, 904, 1999, 1026, 50
L1=640 with manual AVX2
WorldRecklesssimd-force-v3diff8.0+0.08
LLR: 2.92 (-2.25, 2.89) [-5.00, 0.00]
Games: 8926 W: 2128 L: 2059 D: 4739
Ptnml(0-2): 34, 939, 2447, 1010, 33
test AVX2 against main (enforce v3)
WorldRecklesssimd-force-v2diff8.0+0.08
LLR: 2.89 (-2.25, 2.89) [0.00, 4.00]
Games: 1328 W: 387 L: 250 D: 691
Ptnml(0-2): 3, 92, 346, 211, 12
test SSE4.1 against main (enforce v2)