Stockfish Testing Queue

Finished - 46979 tests

14-03-17 mco asp_tuning^ diff
LLR: -2.95 (-2.94,2.94) [0.00,6.00]
Total: 4471 W: 660 L: 741 D: 3070
sprt @ 60+0.05 th 1 LTC: Aspiration test 12 vs 16
14-03-17 hwi futility_margin_tune_2 diff
ELO: 2.74 +-2.9 (95%) LOS: 96.7%
Total: 20000 W: 3769 L: 3611 D: 12620
20000 @ 15+0.05 th 1 Another check on tuning futilty margin
14-03-17 rst asp_start diff
LLR: -2.96 (-2.94,2.94) [0.00,6.00]
Total: 17331 W: 2675 L: 2698 D: 11958
sprt @ 60+0.05 th 1 LTC: aspiration window start size based on previous score
14-03-17 mco bigger_asp diff
LLR: -2.95 (-2.94,2.94) [0.00,6.00]
Total: 34039 W: 5252 L: 5200 D: 23587
sprt @ 60+0.05 th 1 Increase aspiration to 18. Directly at LTC because it seems to be TC dependent (see previous asp. patches).
14-03-17 sto quadratic_gamephase diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 14527 W: 2596 L: 2663 D: 9268
sprt @ 15+0.05 th 1 2nd order polynomial for game phase instead of straight line, with b=0.009. Take 2 (Final take if it fails).
14-03-17 Fis asp_delta_change diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 22725 W: 4091 L: 4137 D: 14497
sprt @ 15+0.05 th 1 Update deltas for alpha and beta independently.
14-03-18 pec still_first diff
LLR: -2.96 (-2.94,2.94) [0.00,6.00]
Total: 13231 W: 1991 L: 2033 D: 9207
sprt @ 60+0.05 th 1 Direct LTC as looks tc dependent . Chip away more time from unchanging moves. Final attempt.
14-03-18 mco split_moves diff
LLR: -2.95 (-2.94,2.94) [-3.00,1.00]
Total: 16972 W: 2757 L: 2938 D: 11277
sprt @ 15+0.05 th 3 Test "don't allocate a thread if no moves" for no-regression, this is not enough to commit, but at least check patch is not broken. (3 threads used)
14-03-18 mco split_moves diff
ELO: -10.83 +-7.3 (95%) LOS: 0.2%
Total: 2567 W: 344 L: 424 D: 1799
20000 @ 15+0.05 th 16 Hit the bullet and test split_moves for a gain: we need to use at least 16 threads!
14-03-18 sni LMR_captures diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 2304 W: 388 L: 488 D: 1428
sprt @ 15+0.05 th 1 Use LMR for captures too
14-03-18 Mys attack_pin diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 8444 W: 1523 L: 1606 D: 5315
sprt @ 15+0.05 th 1 Give bonus to attacking pins.
14-03-18 Fis asp_interpolate diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 42536 W: 7868 L: 7862 D: 26806
sprt @ 15+0.05 th 1 Interpolate aspiration over a certain depth range.
14-03-18 rst lmr_cap_qsearch diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 4284 W: 758 L: 852 D: 2674
sprt @ 15+0.05 th 1 lmr captures on qsearch fail low
14-03-18 Mys tune_asp_del diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 36648 W: 6806 L: 6815 D: 23027
sprt @ 15+0.05 th 1 First and last try at tuning. Increase depth & delta by 2.
14-03-18 sni LMR_captures diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 4159 W: 730 L: 824 D: 2605
sprt @ 15+0.05 th 1 LMR : do it for captures too & retire cutNode difference
14-03-19 Fis asp_interpolate diff
LLR: -2.94 (-2.94,2.94) [0.00,6.00]
Total: 65148 W: 10066 L: 9875 D: 45207
sprt @ 60+0.05 th 1 Interpolate aspiration over a certain depth range. It failed STC w/ a neutral score but we know this is TC dependent. I would like to try LTC anyway w/ low priority. If don't agree don't approve.
14-03-19 Fis asp_previous diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 6087 W: 1097 L: 1186 D: 3804
sprt @ 15+0.05 th 1 Bias delta based on delta from previous iteration. Take 1
14-03-19 Fis asp_previous diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 3249 W: 548 L: 644 D: 2057
sprt @ 15+0.05 th 1 Bias delta based on delta from previous iteration. Take 2
14-03-19 sni LMR_captures diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 7858 W: 1422 L: 1507 D: 4929
sprt @ 15+0.05 th 1 LMR for captures, with reduction 3 plies less
14-03-19 sg rook_ending diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 12410 W: 2233 L: 2306 D: 7871
sprt @ 15+0.05 th 1 drawish rook ending (Take 1)
14-03-19 sg rook_ending diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 20497 W: 3759 L: 3811 D: 12927
sprt @ 15+0.05 th 1 drawish rook ending (Take 2)
14-03-19 luc asp_start_retry diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 40265 W: 7322 L: 7323 D: 25620
sprt @ 15+0.05 th 1 aspiration window start size based on previous score: Ralph's patch with very different values loosely based on local testing (while the framework is empty)
14-03-19 sg rook_ending diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 17126 W: 3191 L: 3251 D: 10684
sprt @ 15+0.05 th 1 drawish rook ending (Take 3)
14-03-19 sg rook_ending diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 36603 W: 6794 L: 6804 D: 23005
sprt @ 15+0.05 th 1 drawish rook ending (Take 4)
14-03-20 sni probcut_tweak diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 8799 W: 1568 L: 1650 D: 5581
sprt @ 15+0.05 th 1 Harden probcut precondition, and reduction = 4.5 plies
14-03-20 sni probcut_tweak diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 36543 W: 6869 L: 6878 D: 22796
sprt @ 15+0.05 th 1 Harden probcut precondition, and reduction = 4 plies (current master)
14-03-20 Mys rBeta_tweak diff
LLR: 2.97 (-2.94,2.94) [-1.50,4.50]
Total: 9889 W: 1883 L: 1752 D: 6254
sprt @ 15+0.05 th 1 Introduce a factor of depth / 4 to the singular extension margin.
14-03-20 Mys rBeta_tweak diff
LLR: -2.96 (-2.94,2.94) [0.00,6.00]
Total: 16402 W: 2536 L: 2563 D: 11303
sprt @ 60+0.05 th 1 LTC: Introduce a factor of depth / 4 to the singular extension margin.
14-03-20 jos iid_tweak^ diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 21029 W: 3838 L: 3888 D: 13303
sprt @ 15+0.05 th 1 As we arrive here with under 1% as PvNode && !ttMove, I simplified the precondition. As this noticeably affects functionality, I test in standard mode. Take 1.
14-03-20 jos iid_tweak diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 38473 W: 7161 L: 7166 D: 24146
sprt @ 15+0.05 th 1 As we arrive here with under 1% as PvNode && !ttMove, I simplified the precondition. As this noticeably affects functionality, I test in standard mode. Take 2.
14-03-20 sni LMR_with_eval diff
LLR: 2.97 (-2.94,2.94) [-1.50,4.50]
Total: 18245 W: 3461 L: 3308 D: 11476
sprt @ 15+0.05 th 1 Recurse to qsearch() in LMR if reduced depth is less than ONE_PLY
14-03-20 sni LMR_with_eval diff
LLR: -2.96 (-2.94,2.94) [0.00,6.00]
Total: 16790 W: 2566 L: 2592 D: 11632
sprt @ 60+0.05 th 1 LTC : recurse to qsearch() in LMR if reduced depth is less than ONE_PLY
14-03-21 Mys rBeta_tweak1 diff
LLR: -1.59 (-2.94,2.94) [-1.50,4.50]
Total: 3954 W: 700 L: 746 D: 2508
sprt @ 15+0.05 th 1 Introduce a factor of - depth / 8 to the singular extension margin.
14-03-21 Fis tt_move diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 14221 W: 2602 L: 2670 D: 8949
sprt @ 15+0.05 th 1 Value tt entries w/ moves more. Test w/ 16MB to simulate more normal hash pressure.
14-03-21 sni LMR_with_eval diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 721 W: 81 L: 183 D: 457
sprt @ 15+0.05 th 1 Increase LMR reduction for positions which seem to be easy to prove/disprove (100). Low priority.
14-03-21 sni LMR_with_eval diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 1714 W: 267 L: 367 D: 1080
sprt @ 15+0.05 th 1 Increase LMR reduction for positions which seem to be easy to prove/disprove (200). Low priority.
14-03-21 sni LMR_with_eval diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 2779 W: 457 L: 555 D: 1767
sprt @ 15+0.05 th 1 Increase LMR reduction for positions which seem to be easy to prove/disprove (300). Low priority.
14-03-21 sni LMR_with_eval diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 5315 W: 967 L: 1059 D: 3289
sprt @ 15+0.05 th 1 Increase LMR reduction for positions which seem to be easy to prove/disprove (400). Low priority.
14-03-21 Mys rBeta_tweak2 diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 14877 W: 2742 L: 2808 D: 9327
sprt @ 15+0.05 th 1 Try the same concept as aspiration delta. Split rBeta margin according to depth. Likely last take.
14-03-21 sg rook_ending diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 9248 W: 1705 L: 1786 D: 5757
sprt @ 15+0.05 th 1 drawish rooke nding (lower scale factor) Take 5
14-03-21 Fis tt_move diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 25574 W: 4697 L: 4736 D: 16141
sprt @ 15+0.05 th 1 Value tt entries w/ moves more. Test w/ 16MB to simulate more normal hash pressure. Take 2
14-03-21 rst capt_ord diff
LLR: -2.96 (-2.94,2.94) [0.00,6.00]
Total: 7212 W: 1058 L: 1127 D: 5027
sprt @ 60+0.05 th 1 Speculative LTC: Capture move ordering. Prioritize moves into the center of the board for pawn, knight and bishop and off the center for rook and queen, king. Take 4
14-03-21 jos fut_tweak diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 21856 W: 4020 L: 4068 D: 13768
sprt @ 15+0.05 th 1 Do not prune ttMoves.
14-03-21 rst capt_ord diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 10144 W: 1838 L: 1917 D: 6389
sprt @ 15+0.05 th 1 Capture move ordering. Prioritize moves into the center of the board. Final take 8.
14-03-21 sni LMR_with_eval diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 4009 W: 686 L: 780 D: 2543
sprt @ 15+0.05 th 1 Don't even try LMR if eval >= alpha + 200. Low priority.
14-03-21 sni LMR_with_eval diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 3324 W: 562 L: 658 D: 2104
sprt @ 15+0.05 th 1 Don't even try LMR if eval >= alpha + 150. Low priority.
14-03-21 sni LMR_with_eval diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 1725 W: 269 L: 369 D: 1087
sprt @ 15+0.05 th 1 Don't even try LMR if eval >= alpha + 100. Low priority.
14-03-21 Fis tt_replace diff
LLR: -2.59 (-2.94,2.94) [-1.50,4.50]
Total: 128000 W: 23662 L: 23422 D: 80916
sprt @ 15+0.05 th 1 If neither tt entry is current and depths are very close prefer the more recent. Test w/ 16MB to simulate more normal hash pressure.
14-03-21 Fis tt_replace diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 4720 W: 831 L: 924 D: 2965
sprt @ 15+0.05 th 1 If neither tt entry is current and depths are very close prefer the more recent. Test w/ 16MB to simulate more normal hash pressure. Take 2
14-03-21 sg rook_ending diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 9060 W: 1641 L: 1723 D: 5696
sprt @ 15+0.05 th 1 drawish if pawns on same wing. inspired by http://tests.stockfishchess.org/tests/view/53083ba20ebc5901df50fb94 (Take 6)