Stockfish Testing Queue

Finished - 3882 tests

14-03-17 sni noise_of_sf140314 diff
ELO: 3.13 +-8.3 (95%) LOS: 77.0%
Total: 2000 W: 306 L: 288 D: 1406
2000 @ 60+0.05 th 1 measuring the noise of sf140314 against itself (2000@60'')
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 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 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
14-03-20 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 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 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 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.
14-03-22 sni isolated_passed diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 3461 W: 650 L: 748 D: 2063
sprt @ 15+0.05 th 1 Remove the malus for passed isolated pawns
14-03-22 sni isolated_passed diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 7822 W: 1411 L: 1496 D: 4915
sprt @ 15+0.05 th 1 Halve the isolation malus for passed isolated pawns
14-03-22 sni isolated_passed diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 2142 W: 364 L: 464 D: 1314
sprt @ 15+0.05 th 1 Don't isolate A and H pawns (take 1)
14-03-22 sni isolated_passed diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 5899 W: 1098 L: 1188 D: 3613
sprt @ 15+0.05 th 1 Don't isolate A and H pawns (take 2)
14-03-22 sni isolated_passed diff
LLR: -2.94 (-2.94,2.94) [-1.50,4.50]
Total: 41078 W: 7953 L: 7948 D: 25177
sprt @ 15+0.05 th 1 Weak (=unsupported) pawns penalty
14-03-22 sni isolated_passed diff
LLR: 2.96 (-2.94,2.94) [-1.50,4.50]
Total: 26751 W: 5234 L: 5056 D: 16461
sprt @ 15+0.05 th 1 Weak (=unsupported) pawns penalty. Take 2.
14-03-22 sni isolated_passed diff
LLR: 2.96 (-2.94,2.94) [-1.50,4.50]
Total: 12107 W: 2411 L: 2272 D: 7424
sprt @ 15+0.05 th 1 Weak (=unsupported) pawns penalty. Take 3.
14-03-23 sni LMR_with_eval diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 5589 W: 974 L: 1064 D: 3551
sprt @ 15+0.05 th 1 Retire cutnode. Rather drastic simplification : remove the recursive cutnode parameter of search(), instead use an estimation of cut probability based on eval inside LMR.
14-03-23 sni isolated_passed diff
LLR: 1.05 (-2.94,2.94) [-1.50,4.50]
Total: 2350 W: 472 L: 428 D: 1450
sprt @ 15+0.05 th 1 LTC for : weak (=unsupported) pawns penalty. Take 3.
14-03-23 sni isolated_passed diff
LLR: -1.17 (-2.94,2.94) [0.00,6.00]
Total: 25708 W: 4204 L: 4124 D: 17380
sprt @ 60+0.05 th 1 LTC for weak (=unsupported) pawns penalty, take 2. This a low priority run, because take 3 has passed STC also and is tested at LTC.
14-03-23 sni isolated_passed diff
LLR: 2.96 (-2.94,2.94) [0.00,6.00]
Total: 9204 W: 1605 L: 1458 D: 6141
sprt @ 60+0.05 th 1 LTC for : weak (=unsupported) pawns penalty. Take 3.
14-03-24 sni tune_weak_pawn diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 5562 W: 1027 L: 1118 D: 3417
sprt @ 15+0.05 th 1 Tune weak pawn penalty : S(20, 40)
14-03-25 sni pawn_span diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 7784 W: 1445 L: 1530 D: 4809
sprt @ 15+0.05 th 1 Use the pawn file span idea for midgame, too
14-03-25 sni isolated_passed_2 diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 12370 W: 2204 L: 2277 D: 7889
sprt @ 15+0.05 th 1 Only 0.75 of isolation penalty for passed isolated pawns
14-03-25 sni LMR_captures- diff
LLR: -2.46 (-2.94,2.94) [-1.50,4.50]
Total: 2331 W: 434 L: 517 D: 1380
sprt @ 15+0.05 th 1 Allow LMR for capture moves. Low priority.
14-03-25 sni LMR_captures- diff
LLR: -2.94 (-2.94,2.94) [-1.50,4.50]
Total: 1917 W: 314 L: 414 D: 1189
sprt @ 15+0.05 th 1 Allow LMR for captures moves (take 2). Low priority.
14-03-25 sni LMR_captures- diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 1837 W: 288 L: 388 D: 1161
sprt @ 15+0.05 th 1 Allow LMR for captures moves (take 3). Low priority.
14-03-25 sni pawns_on_semi_open_file diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 9473 W: 1736 L: 1817 D: 5920
sprt @ 15+0.05 th 1 Evaluate pawns on semi-open files : small bonus if the pawn is supported by another pawn, small malus otherwise
14-03-26 sni pawns_on_semi_open_file diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 2001 W: 343 L: 444 D: 1214
sprt @ 15+0.05 th 1 Evaluate pawns on semi-open files : small bonus if the pawn is supported by another pawn, small malus otherwise. Take 2.
14-03-27 sni pawns_on_semi_open_file diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 3905 W: 705 L: 801 D: 2399
sprt @ 15+0.05 th 1 Evaluate pawns on semi-open files. Take 4.
14-03-29 sni supported_pawn_2 diff
LLR: 2.95 (-2.94,2.94) [-1.50,4.50]
Total: 43529 W: 8159 L: 7941 D: 27429
sprt @ 15+0.05 th 1 Slightly different implementation of hxim's idea for supported/unsupported pawns.
14-03-29 sni supported_pawn_2 diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 17687 W: 3281 L: 3340 D: 11066
sprt @ 15+0.05 th 1 Slightly different implementation of hxim's idea. Take 2 : be more cautious with weak pawns in midgame.
14-03-29 sni supported_pawn_2 diff
LLR: -1.74 (-2.94,2.94) [-1.50,4.50]
Total: 11026 W: 2029 L: 2062 D: 6935
sprt @ 15+0.05 th 1 Slightly different implementation of hxim's idea. Take 3 (be even more cautious with weak pawns in midgame).
14-03-30 sni keep_material diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 5461 W: 977 L: 1068 D: 3416
sprt @ 15+0.05 th 1 Keep material if ahead.
14-03-30 sni keep_material diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 4362 W: 757 L: 851 D: 2754
sprt @ 15+0.05 th 1 Keep material when ahead. Take 2 : less weight for endgame
14-03-31 sni supported_pawn_2 diff
LLR: -2.95 (-2.94,2.94) [0.00,6.00]
Total: 8385 W: 1297 L: 1360 D: 5728
sprt @ 60+0.05 th 1 LTC : slightly different implementation of hxim's idea for supported/unsupported pawns.
14-03-31 sni supported_pawn_2 diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 9423 W: 1758 L: 1839 D: 5826
sprt @ 15+0.05 th 1 Slightly different implementation of hxim's idea. Take 4.
14-04-01 sni supported_pawn_2 diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 2481 W: 460 L: 561 D: 1460
sprt @ 15+0.05 th 1 Pawns on semi-open files
14-04-01 sni supported_pawn_2 diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 5511 W: 1017 L: 1108 D: 3386
sprt @ 15+0.05 th 1 Pawns on semi-open files. Take 2.
14-04-01 sni supported_pawn_3 diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 27152 W: 5164 L: 5197 D: 16791
sprt @ 15+0.05 th 1 Pawns on semi-open files : take 3.
14-04-01 sni supported_pawn_3 diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 7369 W: 1363 L: 1449 D: 4557
sprt @ 15+0.05 th 1 Pawns on semi-open files : take 4
14-04-02 sni supported_pawn_3 diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 1984 W: 370 L: 473 D: 1141
sprt @ 15+0.05 th 1 Remove awkward backward pawn code
14-04-03 sni isolated_doubled diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 37394 W: 6878 L: 6886 D: 23630
sprt @ 15+0.05 th 1 Penalty for doubled isolated pawns when we are sure they cannot be passed
14-04-04 sni isolated_doubled diff
LLR: 2.95 (-2.94,2.94) [-1.50,4.50]
Total: 25234 W: 4727 L: 4557 D: 15950
sprt @ 15+0.05 th 1 We add a penalty for doubled isolated pawns when we are sure they cannot be passed. Take 3, penalty=S(20,35).
14-04-04 sni r_bnn_imbalance diff
LLR: -0.77 (-2.94,2.94) [-1.50,4.50]
Total: 18821 W: 3414 L: 3393 D: 12014
sprt @ 15+0.05 th 1 Rook and 3 pawns vs. 3 minors slightly favours the minors