Stockfish Testing Queue

Finished - 33100 tests

15-03-21 vin rook_pawns_adjust diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 21192 W: 4001 L: 4050 D: 13141
sprt @ 15+0.05 th 1 Try lowering the value of both a and h pawns. Although one might prefer symmetry, one can't be sure it is better in practice.
15-03-21 Voy cmhPP diff
LLR: 2.97 (-2.94,2.94) [0.00,6.00]
Total: 6950 W: 1189 L: 1054 D: 4707
sprt @ 60+0.05 th 1 See if (allow cutoff penalty) will pass LTC.
15-03-21 aji hanging_piece_threats diff
LLR: -0.01 (-2.94,2.94) [-1.50,4.50]
Total: 103 W: 19 L: 19 D: 65
sprt @ 15+0.05 th 1 Don't consider threats by hanging pieces : STC
15-03-21 jos pawn_psqt diff
ELO: 4.77 +-2.2 (95%) LOS: 100.0%
Total: 40124 W: 8711 L: 8160 D: 23253
30000 @ 9+0.05 th 1 A first quick measure of some preliminary values.
15-03-21 Roc PawnOpposed diff
ELO: 3.28 +-3.1 (95%) LOS: 98.2%
Total: 20000 W: 4162 L: 3973 D: 11865
20000 @ 9+0.05 th 1 Most likely, there was some benefit in the isolated/backward case, Verify if there is also some benefit in the connected case,
15-03-21 mco tt_vector diff
LLR: -1.54 (-2.94,2.94) [-3.00,1.00]
Total: 99107 W: 18800 L: 19059 D: 61248
sprt @ 15+0.05 th 1 Use a std::vector to implement TT ( big simplification)
15-03-22 Roc PawnOpposed diff
ELO: 0.36 +-3.1 (95%) LOS: 59.1%
Total: 20000 W: 4177 L: 4156 D: 11667
20000 @ 9+0.05 th 1 Measuring now only the Connected/Backward case
15-03-22 aji hanging_piece_threats_A diff
LLR: -0.89 (-2.94,2.94) [-1.50,4.50]
Total: 1775 W: 329 L: 356 D: 1090
sprt @ 15+0.05 th 1 Don't consider threats by hanging pieces: STC
15-03-22 jos pawn_psqt diff
LLR: 2.95 (-2.94,2.94) [0.00,4.00]
Total: 52284 W: 8880 L: 8559 D: 34845
sprt @ 60+0.05 th 1 LTC: Pawn psqt values. Look very promising at short tc.
15-03-22 aji hanging_pawn_threats diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 23053 W: 4425 L: 4469 D: 14159
sprt @ 15+0.05 th 1 Final attempt: Don't consider threats by hanging pawns: STC
15-03-22 Roc PawnOpposed diff
ELO: -0.76 +-2.8 (95%) LOS: 29.9%
Total: 23649 W: 4812 L: 4864 D: 13973
25000 @ 9+0.05 th 1 OK, not much benefit when applied in both Isolated & Backward case. Let's check the Backward case alone.
15-03-22 Voy cmh_lmr diff
LLR: 2.96 (-2.94,2.94) [-1.50,4.50]
Total: 20075 W: 3885 L: 3726 D: 12464
sprt @ 15+0.05 th 1 Use cmh for lmr. Local testings looks good...
15-03-22 Roc KnightDefended diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 3789 W: 703 L: 799 D: 2287
sprt @ 15+0.05 th 1 Pieces/Pawns defended by a Knight are not so well defended. When Knight must move away, defence is be lost in all cases, contrarily to sliders which can keep in most case the defense from a distance. From a MindBreaker idea.
15-03-22 Roc PawnOpposed diff
LLR: -2.96 (-2.94,2.94) [0.00,4.00]
Total: 40753 W: 6479 L: 6506 D: 27768
sprt @ 60+0.05 th 1 LTC: applied only in the Connected case since no clear benefit in the Backward/Isolated case. Run as a "parameter tweak"
15-03-22 Voy cmh_lmr diff
LLR: -2.95 (-2.94,2.94) [0.00,6.00]
Total: 19990 W: 3126 L: 3136 D: 13728
sprt @ 60+0.05 th 1 Let see if it passes LTC
15-03-22 Fis tunedTime2 diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 12608 W: 2338 L: 2410 D: 7860
sprt @ 15+0.05 th 1 Increasing the weight of bestMoveChanges failed two tests so one try decreasing it.
15-03-23 sni bishop diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 15195 W: 2842 L: 2907 D: 9446
sprt @ 15+0.05 th 1 Bonus for bishop with pawns on two wings
15-03-23 jos spacemask diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 5434 W: 1035 L: 1127 D: 3272
sprt @ 15+0.05 th 1 Extend SpaceMask to the 5th rank, but only for d- and e-file! Take 1.
15-03-23 jos spacemask^ diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 4621 W: 868 L: 962 D: 2791
sprt @ 15+0.05 th 1 Extend SpaceMask to the 5th and 6th rank, but only for d- and e-file! Take 2.
15-03-23 sg cmh diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 4343 W: 799 L: 894 D: 2650
sprt @ 15+0.05 th 1 Use counter move history for evasion move sorting. Test against master which includes the successful cmhPP patch.
15-03-23 Roc KnightDefended diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 5873 W: 1105 L: 1196 D: 3572
sprt @ 15+0.05 th 1 Take 2: The defending Knight must be attacked, and score the penalty at most once per Knight
15-03-23 hxi countermoves diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 4073 W: 732 L: 827 D: 2514
sprt @ 15+0.05 th 1 no followupmoves 4 countermoves
15-03-23 hxi countermoves diff
LLR: 2.96 (-2.94,2.94) [-1.50,4.50]
Total: 55116 W: 10797 L: 10542 D: 33777
sprt @ 15+0.05 th 1 no followupmoves 1 countermove
15-03-23 Roc MinorsAndPawns diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 3129 W: 567 L: 665 D: 1897
sprt @ 15+0.05 th 1 Bishop and Knight bonus based on the "global pawn span". See git notes for details and differences with similar tests. Freely adapted based on ideas and discussions with Fauzi.
15-03-23 lan rookup_endgame diff
LLR: -2.95 (-2.94,2.94) [0.00,4.00]
Total: 28531 W: 5421 L: 5478 D: 17632
sprt @ 15+0.05 th 1 Increase rook value in the endgame with 5 cp (take 1). Suggested by Lyudmil Tsvetkov
15-03-24 Voy cmh_lmr2 diff
LLR: 2.97 (-2.94,2.94) [-1.50,4.50]
Total: 12874 W: 2546 L: 2405 D: 7923
sprt @ 15+0.05 th 1 Last lmr seems to aggressive...added 10 cp margin.
15-03-24 hxi countermoves diff
LLR: -2.96 (-2.94,2.94) [0.00,6.00]
Total: 72867 W: 11673 L: 11439 D: 49755
sprt @ 60+0.05 th 1 LTC: no followupmoves 1 countermove
15-03-24 Fis phaseDivorceTune2 diff
37712/40000 iterations
61710/80000 games played
80000 @ 15+0.05 th 1 One more try to separate piece material values from phase values. This time include pawns in phase and tune everything simultaneously including Eg values. Pri -1
15-03-24 mco tt_vector diff
LLR: -2.96 (-2.94,2.94) [-3.00,1.00]
Total: 26215 W: 4941 L: 5147 D: 16127
sprt @ 15+0.05 th 1 Use a std::vector to implement TT ( big simplification): Take 2, double prefetch.
15-03-24 lan rook_psqt diff
LLR: 3.06 (-2.94,2.94) [0.00,4.00]
Total: 51630 W: 10098 L: 9749 D: 31783
sprt @ 15+0.05 th 1 Increase values of rook psqt according to rank. Suggested by Lyudmil Tsvetkov
15-03-24 sg king_safety diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 10640 W: 1978 L: 2055 D: 6607
sprt @ 15+0.05 th 1 More penalty for pawns attacking king zone. Inspired by this thread http://talkchess.com/forum/viewtopic.php?t=55743&postdays=0&postorder=asc&topic_view=&start=10
15-03-24 sg king_safety2 diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 20368 W: 3972 L: 4023 D: 12373
sprt @ 15+0.05 th 1 More penalty for pawns which attacks the king zone (Take 2)
15-03-24 sg king_safety3 diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 7312 W: 1330 L: 1416 D: 4566
sprt @ 15+0.05 th 1 More penalty for pawns which attacks the king zone (Take 3)
15-03-24 Voy cmh_lmr3 diff
LLR: 2.97 (-2.94,2.94) [-1.50,4.50]
Total: 15391 W: 3051 L: 2903 D: 9437
sprt @ 15+0.05 th 1 Use history for margin.
15-03-24 Fis failHLTime diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 13651 W: 2582 L: 2651 D: 8418
sprt @ 15+0.05 th 1 Use 20% less time when the search fails high or low.
15-03-25 jos knight_psqt diff
ELO: 0.79 +-2.5 (95%) LOS: 73.1%
Total: 30000 W: 6138 L: 6070 D: 17792
30000 @ 9+0.05 th 1 Measure new knight values.
15-03-25 mco spinlock_500 diff
ELO: 0.49 +-3.9 (95%) LOS: 59.7%
Total: 10000 W: 1621 L: 1607 D: 6772
10000 @ 15+0.05 th 7 Spinlock: Busy wait a bit before to yield
15-03-25 lan rook_psqt diff
LLR: -2.97 (-2.94,2.94) [0.00,6.00]
Total: 22970 W: 3605 L: 3602 D: 15763
sprt @ 60+0.05 th 1 LTC: Increase values of rook psqt according to rank. Suggested by Lyudmil Tsvetkov
15-03-25 Fis phaseDivorce2 diff
LLR: -3.25 (-2.94,2.94) [-1.50,4.50]
Total: 54974 W: 10738 L: 10706 D: 33530
sprt @ 15+0.05 th 1 Separate piece material values from phase values.
15-03-25 lan rook_psqt diff
LLR: -3.27 (-2.94,2.94) [0.00,4.00]
Total: 43007 W: 6761 L: 6798 D: 29448
sprt @ 60+0.05 th 1 Resubmitting the rook psqt test with the right test parameters for tweak:[0,4] (please don't shoot me yet :). Suggested by Lyudmil Tsvetkov. Test parameters also suggested by Nicklas Persson.
15-03-25 sni pawn diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 23541 W: 4733 L: 4775 D: 14033
sprt @ 15+0.05 th 1 Don't apply structural penalties to pawns in the enemy camp
15-03-26 Voy cmh-lmr2 diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 13422 W: 2561 L: 2631 D: 8230
sprt @ 15+0.05 th 1 10 pt margin. Test against latest master.
15-03-26 Voy cmh-lmr3 diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 58198 W: 11121 L: 11072 D: 36005
sprt @ 15+0.05 th 1 Use history as margin. Test against latest master.
15-03-26 mco ttMoveCmh diff
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 11560 W: 2321 L: 2183 D: 7056
sprt @ 15+0.05 th 1 Simplify ttMoveCmh bonus
15-03-26 mco ttMoveCmh diff
LLR: -2.95 (-2.94,2.94) [-3.00,1.00]
Total: 47516 W: 7392 L: 7617 D: 32507
sprt @ 60+0.05 th 1 LTC: Simplify ttMoveCmh bonus
15-03-26 Voy cmh-lmr3 diff
LLR: 2.96 (-2.94,2.94) [0.00,6.00]
Total: 6479 W: 1099 L: 967 D: 4413
sprt @ 60+0.05 th 1 This might be TC sensitive. Lets see what happens at LTC.
15-03-26 jos bishop_psqt diff
ELO: -0.67 +-2.6 (95%) LOS: 30.3%
Total: 30000 W: 6321 L: 6379 D: 17300
30000 @ 9+0.05 th 1 Measure new bishop values.
15-03-27 sni pawn2 diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 13023 W: 2511 L: 2582 D: 7930
sprt @ 15+0.05 th 1 Tweak backward pawns values
15-03-27 lbr opposed diff
LLR: -3.04 (-2.94,2.94) [-0.50,4.50]
Total: 36101 W: 6921 L: 6923 D: 22257
sprt @ 15+0.05 th 1 test this one for a small elo gain
15-03-27 sni quiet diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 9573 W: 1805 L: 1885 D: 5883
sprt @ 15+0.05 th 1 Use pawn attacks to help quiet moves ordering.