Stockfish Testing Queue

Finished - 1136 tests

16-11-07 Elb lmr_stat diff 
LLR: -2.94 (-2.94,2.94) [0.00,4.00]

Total: 2687 W: 400 L: 546 D: 1741
sprt @ 10+0.1 th 1 LMR stat tweak (run as [0,4] since it removes 2 lines)
16-11-07 Elb lmrt1c diff 
LLR: -2.96 (-2.94,2.94) [0.00,5.00]

Total: 13384 W: 2336 L: 2405 D: 8643
sprt @ 10+0.1 th 1 A variation of VoyagerOne's lmrt idea (http://tests.stockfishchess.org/tests/view/581c96df0ebc5910626b9b33)
16-11-04 Elb strong_outposts diff 
LLR: -2.96 (-2.94,2.94) [0.00,5.00]

Total: 9261 W: 1589 L: 1675 D: 5997
sprt @ 10+0.1 th 1 Use tuned values
16-11-04 Elb tune_strongoutposts diff 
18464/20000 iterations

37858/40000 games played
40000 @ 10+0.1 th 1 As the queue is relatively empty, I would like to tune an extended version of a previous attempt which ended yellow http://tests.stockfishchess.org/tests/view/57b475fc0ebc591c761f6488
16-11-04 Elb bishblock diff 
LLR: -2.96 (-2.94,2.94) [0.00,5.00]

Total: 6883 W: 1178 L: 1274 D: 4431
sprt @ 10+0.1 th 1 Penalty when bishop is blocked by 2 of our pawns.
16-11-03 Elb passed_h diff 
LLR: -2.95 (-2.94,2.94) [0.00,5.00]

Total: 22209 W: 3883 L: 3915 D: 14411
sprt @ 10+0.1 th 1 HinderPassedPawn tweak: add bonus for double defended squares.
16-11-03 Elb tw_space diff 
LLR: -3.02 (-2.94,2.94) [0.00,4.00]

Total: 47166 W: 8201 L: 8204 D: 30761
sprt @ 10+0.1 th 1 Space tweak
16-11-03 Elb knight_init diff 
LLR: -2.96 (-2.94,2.94) [0.00,5.00]

Total: 11994 W: 2040 L: 2115 D: 7839
sprt @ 10+0.1 th 1 Take 2: flip the sign
16-11-03 Elb knight_init diff 
LLR: -2.96 (-2.94,2.94) [0.00,5.00]

Total: 7156 W: 1214 L: 1309 D: 4633
sprt @ 10+0.1 th 1 Increase initiative value if there are a lot of pawns and the strong side has more knights.
16-11-02 Elb blocked diff 
LLR: -2.97 (-2.94,2.94) [0.00,5.00]

Total: 17316 W: 2995 L: 3048 D: 11273
sprt @ 10+0.1 th 1 Have a try at possible fortress like positions
16-11-02 Elb bish_passed diff 
LLR: -2.96 (-2.94,2.94) [0.00,5.00]

Total: 9584 W: 1600 L: 1685 D: 6299
sprt @ 10+0.1 th 1 Take 2: only scale if the passed pawn difference is bigger than 1
16-11-02 Elb bish_passed diff 
LLR: -2.96 (-2.94,2.94) [0.00,5.00]

Total: 7813 W: 1304 L: 1396 D: 5113
sprt @ 10+0.1 th 1 Include passed pawn count in opposite bishops scaling
16-11-01 Elb combo10 diff 
LLR: -2.96 (-2.94,2.94) [0.00,4.00]

Total: 163817 W: 28944 L: 28554 D: 106319
sprt @ 10+0.1 th 1 Combo of passed pawn and futility parameter tweaks
16-10-31 Elb cmbp diff 
LLR: -2.96 (-2.94,2.94) [-3.00,1.00]

Total: 80660 W: 13970 L: 14260 D: 52430
sprt @ 10+0.1 th 1 Countermoves based pruning simplification
16-10-31 Elb pft diff 
LLR: -2.96 (-2.94,2.94) [0.00,4.00]

Total: 27643 W: 4768 L: 4832 D: 18043
sprt @ 10+0.1 th 1 PawnlessFlank tweak
16-10-30 Elb rook_open2` diff 
LLR: -2.94 (-2.94,2.94) [0.00,5.00]

Total: 6981 W: 1171 L: 1266 D: 4544
sprt @ 10+0.1 th 1 Take 2: give bonus for reachable semiopen file
16-10-29 Elb rook_open diff 
LLR: -2.96 (-2.94,2.94) [0.00,5.00]

Total: 22656 W: 4089 L: 4118 D: 14449
sprt @ 10+0.1 th 1 Penalty when there are a lot of open files and the rook isn't on one of them.
16-10-28 Elb tune_pawnless diff 
19238/20000 iterations

39194/40000 games played
40000 @ 10+0.1 th 1 Tune pawnless flank penalty
16-10-27 Elb tropism diff 
LLR: -2.97 (-2.94,2.94) [0.00,5.00]

Total: 7448 W: 1269 L: 1363 D: 4816
sprt @ 10+0.1 th 1 Penalty when our king is not in the presence of pawns in the middlegame.
16-10-27 Elb color_weakness diff 
LLR: -3.29 (-2.94,2.94) [0.00,5.00]

Total: 6664 W: 1103 L: 1214 D: 4347
sprt @ 10+0.1 th 1 Take 3
16-10-27 Elb color_weakness diff 
LLR: -2.97 (-2.94,2.94) [0.00,5.00]

Total: 26908 W: 4714 L: 4727 D: 17467
sprt @ 10+0.1 th 1 Take 2
16-10-27 Elb color_weakness diff 
LLR: -2.97 (-2.94,2.94) [0.00,5.00]

Total: 15450 W: 2757 L: 2817 D: 9876
sprt @ 10+0.1 th 1 Give penalty for uncovered squares of a given color in our camp if the bishop of that color isn't there anymore.
16-10-26 Elb double_bishops diff 
LLR: -2.94 (-2.94,2.94) [0.00,5.00]

Total: 21001 W: 3634 L: 3671 D: 13696
sprt @ 10+0.1 th 1 Bonus if 2 bishops attack the inner king ring
16-10-26 Elb bishop_diag2 diff 
LLR: -2.95 (-2.94,2.94) [0.00,5.00]

Total: 27051 W: 4709 L: 4721 D: 17621
sprt @ 10+0.1 th 1 Final try for this idea
16-10-26 Elb bishop_diag2 diff 
LLR: -2.96 (-2.94,2.94) [0.00,5.00]

Total: 14008 W: 2374 L: 2441 D: 9193
sprt @ 10+0.1 th 1 Bugfixed version.
16-10-26 Elb bishop_diag2 diff 
LLR: 0.06 (-2.94,2.94) [0.00,5.00]

Total: 57 W: 12 L: 9 D: 36
sprt @ 10+0.1 th 1 Try a version with adjustment for the bishop pair value in material.cpp
16-10-26 Elb stopblock2 diff 
LLR: -2.97 (-2.94,2.94) [0.00,5.00]

Total: 11759 W: 2036 L: 2112 D: 7611
sprt @ 10+0.1 th 1 Use tuned values
16-10-26 Elb tune_stopblock diff 
18595/20000 iterations

38693/40000 games played
40000 @ 10+0.1 th 1 Final tuning for stopblock. This time differentiate if the pawns are blocked by opponent or us.
16-10-25 Elb tune_stopblock diff 
19463/20000 iterations

39935/40000 games played
40000 @ 10+0.1 th 1 Tune penalty for stopped pawns on start positions (2nd try with nonzero start values)
16-10-25 Elb bishop_diag2 diff 
LLR: -2.95 (-2.94,2.94) [0.00,5.00]

Total: 24229 W: 4262 L: 4285 D: 15682
sprt @ 10+0.1 th 1 Take 3: increase bonus
16-10-25 Elb bishop_diag2 diff 
LLR: -2.97 (-2.94,2.94) [0.00,5.00]

Total: 36031 W: 6329 L: 6304 D: 23398
sprt @ 10+0.1 th 1 Take 2: bishops on adjacent diagonals, with exactly 3 central square control (suggestion from Alain)
16-10-25 Elb tune_stopblock diff 
5817/20000 iterations

11983/40000 games played
40000 @ 10+0.1 th 1 Tune penalty for stopped pawns on start positions (based on yellow test http://tests.stockfishchess.org/tests/view/580e65300ebc5910626b9769)
16-10-24 Elb blockade_stop diff 
LLR: -2.95 (-2.94,2.94) [0.00,5.00]

Total: 41731 W: 7454 L: 7403 D: 26874
sprt @ 10+0.1 th 1 Take 3 with penalty in evaluation.cpp instead of pawns.cpp
16-10-24 Elb bishop_diag diff 
LLR: -2.95 (-2.94,2.94) [0.00,5.00]

Total: 5910 W: 1012 L: 1112 D: 3786
sprt @ 10+0.1 th 1 Give a bonus if all 4 central squares are attacked by our bishops. Take 1. Based on an idea by Mindbreaker: https://groups.google.com/forum/#!topic/fishcooking/vuoEKP2yOCE%5B526-550%5D
16-10-24 Elb blockade_stop diff 
LLR: -2.96 (-2.94,2.94) [0.00,5.00]

Total: 37641 W: 6693 L: 6660 D: 24288
sprt @ 10+0.1 th 1 Take 2: exclude doubled and backward pawns
16-10-24 Elb blockade_stop diff 
LLR: -2.96 (-2.94,2.94) [0.00,5.00]

Total: 14690 W: 2599 L: 2662 D: 9429
sprt @ 10+0.1 th 1 Penalty for center pawns that are blocked at their start positions.
16-10-21 Elb knight_end diff 
LLR: -2.97 (-2.94,2.94) [0.00,5.00]

Total: 20423 W: 3649 L: 3688 D: 13086
sprt @ 10+0.1 th 1 Endings with a lot of pawns and B vs N are drawish (see https://chessprogramming.wikispaces.com/Bishop+versus+Knight)
16-10-19 Elb trapped_knight diff 
LLR: -2.95 (-2.94,2.94) [0.00,5.00]

Total: 16777 W: 2952 L: 3006 D: 10819
sprt @ 10+0.1 th 1 Take 2
16-10-18 Elb futility diff 
LLR: -2.95 (-2.94,2.94) [0.00,4.00]

Total: 115103 W: 20542 L: 20311 D: 74250
sprt @ 10+0.1 th 1 Try futility depth = 4
16-10-19 Elb trapped_knight diff 
LLR: -2.97 (-2.94,2.94) [0.00,5.00]

Total: 8864 W: 1544 L: 1632 D: 5688
sprt @ 10+0.1 th 1 Give penalty for trapped knights at the corners of the board
16-10-19 Elb kpf diff 
LLR: -2.97 (-2.94,2.94) [0.00,5.00]

Total: 24027 W: 4201 L: 4226 D: 15600
sprt @ 10+0.1 th 1 Endgame penalty for king on pawnless flank
16-10-19 Elb RvQ diff 
LLR: -2.95 (-2.94,2.94) [0.00,5.00]

Total: 17562 W: 3085 L: 3136 D: 11341
sprt @ 10+0.1 th 1 Bonus for aligning rook with enemy queen
16-10-17 Elb futility diff 
LLR: -2.96 (-2.94,2.94) [0.00,4.00]

Total: 27558 W: 3530 L: 3606 D: 20422
sprt @ 60+0.6 th 1 Take 3: use tuned value after 20K games (LTC)
16-10-17 Elb futility diff 
LLR: 2.97 (-2.94,2.94) [0.00,4.00]

Total: 40995 W: 7398 L: 7104 D: 26493
sprt @ 10+0.1 th 1 Take 3: use tuned value after 20K games
16-10-17 Elb tune_futility diff 
10292/20000 iterations

20833/40000 games played
40000 @ 20+0.2 th 1 Tune futility margin multiplier for futility depth = 5.
16-10-17 Elb futility diff 
LLR: -1.66 (-2.94,2.94) [0.00,4.00]

Total: 16270 W: 2840 L: 2873 D: 10557
sprt @ 10+0.1 th 1 Take 2: also adjust the futility margin.
16-10-14 Elb futility diff 
LLR: -2.95 (-2.94,2.94) [0.00,4.00]

Total: 15702 W: 2729 L: 2832 D: 10141
sprt @ 10+0.1 th 1 My take on futility tweak. I think we also need to change a parameter in null move search.
16-10-14 Elb hanging3 diff 
LLR: -2.95 (-2.94,2.94) [0.00,5.00]

Total: 20171 W: 3566 L: 3606 D: 12999
sprt @ 10+0.1 th 1 Take 3
16-10-13 Elb hanging diff 
LLR: -2.96 (-2.94,2.94) [0.00,5.00]

Total: 57596 W: 10284 L: 10167 D: 37145
sprt @ 10+0.1 th 1 Take 2: consider the case for queen and rook single defenders
16-10-12 Elb hanging diff 
LLR: -2.95 (-2.94,2.94) [0.00,5.00]

Total: 32862 W: 5803 L: 5790 D: 21269
sprt @ 10+0.1 th 1 Extend Rocky's hanging patch: include cases where a single defender is confronted with 2 attackers of which one is at most of the same piece value as the defender.