Stockfish Testing Queue

Finished - 1570 tests

19-05-15 MJZ SteadyPV_tune diff
7637/20000 iterations
16616/40000 games played
40000 @ 20+0.2 th 1 Tuning SteadyPV http://tests.stockfishchess.org/tests/view/5cc9d2930ebc5925cf037b6c - change initial param 40 / 1800
19-05-15 MJZ WeakPawns2 diff
LLR: -2.96 (-2.94,2.94) [0.50,4.50]
Total: 7140 W: 1534 L: 1664 D: 3942
sprt @ 10+0.1 th 1 Add a small bonus for opponent weak_unopposed_pawn even in case of no queen or rook. (6,12)
19-05-15 MJZ WeakPawns2 diff
LLR: -2.96 (-2.94,2.94) [0.50,4.50]
Total: 19703 W: 4363 L: 4430 D: 10910
sprt @ 10+0.1 th 1 Add a small bonus for opponent weak_unopposed_pawn even in case of no queen or rook. (3,6) - filter NPM(us) > 0
19-05-15 MJZ SteadyPV_tune diff
4856/20000 iterations
10529/40000 games played
40000 @ 20+0.2 th 1 Tuning SteadyPV http://tests.stockfishchess.org/tests/view/5cc9d2930ebc5925cf037b6c
19-05-15 MJZ PassedP_DefPath diff
LLR: -2.96 (-2.94,2.94) [0.50,4.50]
Total: 53378 W: 11976 L: 11875 D: 29527
sprt @ 10+0.1 th 1 Bonus if passed pawn path is (defended or not attacked) and not blocked. Rerun after tuning.
19-05-15 MJZ StrongPawn2 diff
LLR: -2.95 (-2.94,2.94) [0.50,4.50]
Total: 13851 W: 3036 L: 3132 D: 7683
sprt @ 10+0.1 th 1 Penalty for strongly protected enemy pawn in our camp - only 3rd and 4th ranks. (4, 2)
19-05-15 MJZ StrongPawn_tune diff
5401/15000 iterations
11921/30000 games played
30000 @ 20+0.2 th 1 Tuning StrongPawn http://tests.stockfishchess.org/tests/view/5ccab87b0ebc5925cf039c77 - new run.
19-05-15 MJZ StrongPawn_tune diff
4061/15000 iterations
8825/30000 games played
30000 @ 20+0.2 th 1 Tuning PassedP_DefPath http://tests.stockfishchess.org/tests/view/5cd2e43f0ebc5925cf049063
19-05-15 MJZ PassedP_DefPath_tune diff
8997/10000 iterations
19077/20000 games played
20000 @ 20+0.2 th 1 Tuning PassedP_DefPath http://tests.stockfishchess.org/tests/view/5cd2e43f0ebc5925cf049063
19-05-15 MJZ Isolated_Tune diff
LLR: -2.95 (-2.94,2.94) [0.00,4.00]
Total: 17993 W: 3938 L: 4031 D: 10024
sprt @ 10+0.1 th 1 Test new parameter for "Isolated" penalty after tuning (6 ,14)
19-05-15 MJZ Pawn_attack_span_tune2 diff
8688/10000 iterations
18872/20000 games played
20000 @ 20+0.2 th 1 Tuning Pawn_attack_span4 http://tests.stockfishchess.org/tests/view/5cdb7a7c0ebc5925cf059eb2
19-05-15 MJZ Pawn_attack_span4 diff
LLR: -2.96 (-2.94,2.94) [0.50,4.50]
Total: 9118 W: 2004 L: 2124 D: 4990
sprt @ 10+0.1 th 1 If pawn is blocked by an opponent pawn, don't take into account the span behind opposed pawn + penalty for blocked and attacked pawns that cannot be supported in the EG (0, 6)
19-05-14 MJZ Pawn_attack_span4 diff
LLR: -2.95 (-2.94,2.94) [0.50,4.50]
Total: 21995 W: 4953 L: 5008 D: 12034
sprt @ 10+0.1 th 1 If pawn is blocked by an opponent pawn, don't take into account the span behind opposed pawn + penalty for blocked pawns that cannot be supported this way in the final (0, 3)
19-05-14 MJZ Pawn_attack_span3 diff
LLR: -2.95 (-2.94,2.94) [0.50,4.50]
Total: 19869 W: 4391 L: 4457 D: 11021
sprt @ 10+0.1 th 1 If pawn is blocked by an opponent pawn, don't take into account the span behind opposed pawn + penalty for pawns that cannot be supported this way in the final (0, 3)
19-05-14 MJZ Alpha-Extension2 diff
LLR: -2.96 (-2.94,2.94) [0.50,4.50]
Total: 28021 W: 6297 L: 6322 D: 15402
sprt @ 10+0.1 th 1 Extend ttMove if alpha > 400 to verify if line is winning. Only at PvNode && depth < 6
19-05-14 MJZ Alpha-Extension diff
LLR: -2.95 (-2.94,2.94) [0.50,4.50]
Total: 8531 W: 1815 L: 1937 D: 4779
sprt @ 10+0.1 th 1 Extend ttMove if alpha > 400 to verify if line is winning. Only at PvNode && depth < 3
19-05-14 MJZ Alpha-Extension2 diff
LLR: -2.96 (-2.94,2.94) [0.50,4.50]
Total: 38368 W: 8555 L: 8529 D: 21284
sprt @ 10+0.1 th 1 Extend ttMove if alpha > 360 to verify if line is winning. Only at PvNode
19-05-14 MJZ Alpha-Extension diff
LLR: -2.95 (-2.94,2.94) [0.50,4.50]
Total: 43444 W: 9737 L: 9685 D: 24022
sprt @ 10+0.1 th 1 Extend ttMove if alpha > 400 to verify if line is winning. Only at PvNode
19-05-14 MJZ Alpha-Extension3 diff
LLR: -2.96 (-2.94,2.94) [0.50,4.50]
Total: 10869 W: 2374 L: 2485 D: 6010
sprt @ 10+0.1 th 1 Extend ttMove if alpha > 320 to verify if line is winning. Only at PvNode, depth < 5
19-05-14 MJZ Alpha-Extension2 diff
LLR: -2.96 (-2.94,2.94) [0.50,4.50]
Total: 6627 W: 1383 L: 1515 D: 3729
sprt @ 10+0.1 th 1 Extend ttMove if alpha > 400 to verify if line is winning. Only depth > 6.
19-05-14 MJZ Alpha-Extension diff
LLR: -2.95 (-2.94,2.94) [0.50,4.50]
Total: 20678 W: 4554 L: 4616 D: 11508
sprt @ 10+0.1 th 1 Extend ttMove if abs(alpha) > 300 to verify if line is winning.
19-05-14 MJZ Alpha-Extension2 diff
LLR: -2.96 (-2.94,2.94) [0.50,4.50]
Total: 22238 W: 5038 L: 5092 D: 12108
sprt @ 10+0.1 th 1 Extend ttMove if alpha > 400 to verify if line is winning. Only at PvNode or ttPv with good static eval
19-05-14 MJZ StrongPawn2 diff
LLR: -2.95 (-2.94,2.94) [0.50,4.50]
Total: 17786 W: 3915 L: 3991 D: 9880
sprt @ 10+0.1 th 1 Penalty for protected enemy pawns in our camp - ranks 5 and 6 - (4, 0)
19-05-14 MJZ Blocked_Pawns5 diff
LLR: -2.95 (-2.94,2.94) [0.50,4.50]
Total: 15154 W: 3377 L: 3466 D: 8311
sprt @ 10+0.1 th 1 Add pawns blocked by 2 opponent pawns and not protected by our pawns to the blocked pawns BB. + additional penalty if the pawns are backward.
19-05-13 MJZ Pawn_attack_span diff
LLR: -2.95 (-2.94,2.94) [0.50,4.50]
Total: 52066 W: 11780 L: 11684 D: 28602
sprt @ 10+0.1 th 1 If pawn is blocked by an opponent pawn, don't take into account the span behind opposed pawn.
19-05-13 MJZ Blocked_Pawns4 diff
LLR: -2.96 (-2.94,2.94) [0.50,4.50]
Total: 4851 W: 1038 L: 1180 D: 2633
sprt @ 10+0.1 th 1 Add pawns blocked by 2 opponent pawns and not protected by our pawns to the blocked pawns BB + remove blocked pawns for the calculation of span attacks - rerun after correction
19-05-13 MJZ Blocked_Pawns3 diff
LLR: -2.95 (-2.94,2.94) [0.50,4.50]
Total: 17029 W: 3779 L: 3859 D: 9391
sprt @ 10+0.1 th 1 Add pawns blocked by 2 opponent pawns and not protected by our pawns to the blocked pawns BB + store blocked pawns BB (will be needed in next commit)
19-05-13 MJZ Pawn_attack_span2 diff
LLR: -2.95 (-2.94,2.94) [0.50,4.50]
Total: 18201 W: 4069 L: 4143 D: 9989
sprt @ 10+0.1 th 1 If pawn is blocked by an opponent pawn, don't take into account the span behind opposed pawn. Try with small compensation to outpost bonus
19-05-12 MJZ Initiative-Cap diff
LLR: -2.96 (-2.94,2.94) [0.50,4.50]
Total: 19461 W: 4375 L: 4443 D: 10643
sprt @ 10+0.1 th 1 Cap initiative to lower value than eg. Try with eg x 7/8
19-05-12 MJZ Initiative-Cap diff
LLR: -2.96 (-2.94,2.94) [0.50,4.50]
Total: 20763 W: 4587 L: 4649 D: 11527
sprt @ 10+0.1 th 1 Cap initiative to lower value than eg. Try with eg x 15/16
19-05-12 MJZ Static-LMR diff
LLR: -2.96 (-2.94,2.94) [0.50,4.50]
Total: 5322 W: 1161 L: 1301 D: 2860
sprt @ 10+0.1 th 1 Increase reduction if static eval is below alpha for 2 successive moves.
19-05-12 MJZ LastSearchDepth diff
LLR: -1.16 (-2.94,2.94) [0.00,3.50]
Total: 2890 W: 446 L: 507 D: 1937
sprt @ 60+0.6 th 1 Time reduction = 1 if search depth is below TT one. Limited test at LTC to see if we can hope for an improvement (test can be stopped if no improvement after ~5000 games)
19-05-12 MJZ LastSearchDepth diff
LLR: -2.95 (-2.94,2.94) [0.50,4.50]
Total: 17682 W: 3890 L: 3967 D: 9825
sprt @ 10+0.1 th 1 Time reduction = 1 if search depth is below TT one.
19-05-11 MJZ BishopMobility diff
LLR: -2.96 (-2.94,2.94) [0.50,4.50]
Total: 11526 W: 2572 L: 2680 D: 6274
sprt @ 10+0.1 th 1 Increase blocked bishop penality with mobility dependancy (36 - mob) / 32
19-05-11 MJZ BishopMobility diff
LLR: -2.95 (-2.94,2.94) [0.50,4.50]
Total: 6914 W: 1498 L: 1629 D: 3787
sprt @ 10+0.1 th 1 Increase blocked bishop penality with mobility dependancy (38 - mob) / 32
19-05-11 MJZ Blocked_Pawns2 diff
LLR: -2.95 (-2.94,2.94) [0.50,4.50]
Total: 73727 W: 16713 L: 16508 D: 40506
sprt @ 10+0.1 th 1 Add pawns blocked by 2 opponent pawns and not protected by our pawns to the blocked pawns BB.
19-05-11 MJZ TT_rule50_correction diff
LLR: 2.96 (-2.94,2.94) [-3.00,1.00]
Total: 55178 W: 12403 L: 12348 D: 30427
sprt @ 10+0.1 th 1 This is a try to correct TT problem leading to blunder in TCEC cup final. See issue #2138. (bugfix ?)
19-05-11 MJZ BishopMobility diff
LLR: -2.95 (-2.94,2.94) [0.50,4.50]
Total: 21675 W: 4804 L: 4861 D: 12010
sprt @ 10+0.1 th 1 Increase blocked bishop penality with mobility dependancy (37- mob) / 32
19-05-11 MJZ BishopMobility diff
LLR: -2.96 (-2.94,2.94) [0.50,4.50]
Total: 7100 W: 1509 L: 1639 D: 3952
sprt @ 10+0.1 th 1 Increase blocked bishop penality with mobility dependancy (22 - mob) / 16
19-05-11 MJZ BishopMobility diff
LLR: -2.95 (-2.94,2.94) [0.50,4.50]
Total: 30400 W: 6793 L: 6806 D: 16801
sprt @ 10+0.1 th 1 Increase blocked bishop penality with mobility dependancy (21 - mob) / 16
19-05-11 MJZ BishopMobility diff
LLR: -2.95 (-2.94,2.94) [0.50,4.50]
Total: 24333 W: 5449 L: 5492 D: 13392
sprt @ 10+0.1 th 1 Increase blocked bishop penality with mobility dependancy (20 - mob) / 16
19-05-11 MJZ Blocked_Pawns diff
LLR: -2.95 (-2.94,2.94) [0.50,4.50]
Total: 24196 W: 5423 L: 5467 D: 13306
sprt @ 10+0.1 th 1 Add pawns blocked by 2 opponent pawns to the blocked BB.
19-05-11 MJZ Blocked_Pawns2 diff
LLR: -2.95 (-2.94,2.94) [0.50,4.50]
Total: 14166 W: 3105 L: 3199 D: 7862
sprt @ 10+0.1 th 1 Add pawns blocked by 2 opponent pawns to the blocked BB. Second try with code optimisation.
19-05-09 MJZ LMR-PawnProtected diff
LLR: -2.95 (-2.94,2.94) [0.50,4.50]
Total: 16561 W: 3672 L: 3754 D: 9135
sprt @ 10+0.1 th 1 Increase reduction if we move to a square protected by enemy pawn. Filter out pawn moves and captures.
19-05-10 MJZ SecondMoves4 diff
LLR: -2.95 (-2.94,2.94) [0.50,4.50]
Total: 40536 W: 9144 L: 9106 D: 22286
sprt @ 10+0.1 th 1 Cap reduction for second best move to 1 ply - only if value > alpha
19-05-10 MJZ SecondMoves2 diff
LLR: -2.95 (-2.94,2.94) [0.50,4.50]
Total: 36328 W: 8184 L: 8167 D: 19977
sprt @ 10+0.1 th 1 Cap reduction for second best move to 2 plies - only if value > alpha
19-05-10 MJZ SecondMoves2 diff
LLR: -2.95 (-2.94,2.94) [0.00,3.50]
Total: 27126 W: 4587 L: 4686 D: 17853
sprt @ 60+0.6 th 1 Cap reduction for second best move to 2 plies - (spec. LTC)
19-05-10 MJZ SecondMoves2 diff
LLR: -2.96 (-2.94,2.94) [0.50,4.50]
Total: 81483 W: 18366 L: 18124 D: 44993
sprt @ 10+0.1 th 1 Cap reduction for second best move to 2 plies
19-05-10 MJZ SecondMoves3 diff
LLR: -2.95 (-2.94,2.94) [0.50,4.50]
Total: 16554 W: 3711 L: 3793 D: 9050
sprt @ 10+0.1 th 1 r = min(r-1, 2) for second best move
19-05-10 MJZ Shuffle-Verif diff
LLR: -2.95 (-2.94,2.94) [0.50,4.50]
Total: 24655 W: 5476 L: 5518 D: 13661
sprt @ 10+0.1 th 1 It seems to me that a ply condition is necessary before shuffle extensions. This condition has been removed from original version and can lead to dangerous behaviour.Trying with limit of 12 plies.