Stockfish Testing Queue

Finished - 1016 tests

16-08-26 Elb simple_eg3 diff 
LLR: -2.96 (-2.94,2.94) [-3.00,1.00]

Total: 45853 W: 6661 L: 6878 D: 32314
sprt @ 10+0.1 th 1 Take 3 Endgame simplification: retire KBPPKB endgame, let opposite bishop endgames be handled in KBPsK endgame. And in the process, improve evaluations for them. Lowered priority for take 2.
16-08-25 Elb simple_eg2 diff 
LLR: -0.84 (-2.94,2.94) [-3.00,1.00]

Total: 71800 W: 10566 L: 10713 D: 50521
sprt @ 10+0.1 th 1 Endgame simplification: retire KBPPKB endgame, let opposite bishop endgames be handled in KBPsK endgame. And in the process, improve evaluations for them.
16-08-24 Elb simple_eg diff 
LLR: -2.96 (-2.94,2.94) [-3.00,1.00]

Total: 11945 W: 1713 L: 1882 D: 8350
sprt @ 10+0.1 th 1 Simplification of bishop endgames that gives better evaluations.
16-08-24 Elb tune_opp diff 
21653/30000 iterations

43999/60000 games played
60000 @ 10+0.1 th 1 Tuning session for opp bishops endgame
16-08-24 Elb opb_mt diff 
LLR: -2.96 (-2.94,2.94) [0.00,4.00]

Total: 9495 W: 1291 L: 1414 D: 6790
sprt @ 10+0.1 th 1 Take 2: get rid of popcount to improve performance
16-08-23 Elb opb_mt diff 
LLR: -2.96 (-2.94,2.94) [0.00,4.00]

Total: 19656 W: 2849 L: 2943 D: 13864
sprt @ 10+0.1 th 1 Another opposite bishops endgame parameter tweak. This one seems to improve a lot of evals for positions that were reported by Mindbreaker1 here: https://groups.google.com/forum/#!topic/fishcooking/vuoEKP2yOCE%5B501-525%5D
16-08-23 Elb holes diff 
LLR: -2.94 (-2.94,2.94) [0.00,5.00]

Total: 10524 W: 1872 L: 1952 D: 6700
sprt @ 10+0.1 th 1 Take 3: now only give penalty in endgame
16-08-23 Elb holes diff 
LLR: -2.96 (-2.94,2.94) [0.00,5.00]

Total: 4099 W: 737 L: 846 D: 2516
sprt @ 10+0.1 th 1 Try the concept of holes in pawn structure (take 2)
16-08-23 Elb holes diff 
LLR: -2.95 (-2.94,2.94) [0.00,5.00]

Total: 7733 W: 1366 L: 1458 D: 4909
sprt @ 10+0.1 th 1 Try the concept of holes in pawn structure
16-08-23 Elb knight_outpost2 diff 
LLR: -2.95 (-2.94,2.94) [0.00,4.00]

Total: 20657 W: 3714 L: 3800 D: 13143
sprt @ 10+0.1 th 1 Another attempt at knight outposts
16-08-22 Elb pawn_dist diff 
LLR: -2.94 (-2.94,2.94) [0.00,4.00]

Total: 11204 W: 2003 L: 2121 D: 7080
sprt @ 10+0.1 th 1 Take 2
16-08-22 Elb pawn_dist diff 
LLR: -2.96 (-2.94,2.94) [0.00,4.00]

Total: 9126 W: 1625 L: 1751 D: 5750
sprt @ 10+0.1 th 1 Use pawn distance in opposite bishop scale factor calculation
16-08-21 Elb lmr_captweak diff 
LLR: -2.97 (-2.94,2.94) [0.00,5.00]

Total: 5240 W: 946 L: 1050 D: 3244
sprt @ 10+0.1 th 1 Take 2
16-08-19 Elb st_det diff 
ELO: 0.07 +-2.6 (95%) LOS: 52.1%

Total: 20000 W: 2948 L: 2944 D: 14108
20000 @ 10+0.1 th 1 A quick check if it is possible to improve upon test http://tests.stockfishchess.org/tests/view/57b233d30ebc591c761f6405 for bishop endgames
16-08-19 Elb lmr_captweak diff 
LLR: -2.95 (-2.94,2.94) [0.00,4.00]

Total: 41531 W: 7701 L: 7714 D: 26116
sprt @ 10+0.1 th 1 LMR on captures tweak
16-08-19 Elb outposts_tuned2 diff 
LLR: -2.96 (-2.94,2.94) [0.00,5.00]

Total: 18897 W: 3476 L: 3520 D: 11901
sprt @ 10+0.1 th 1 Safe outposts with tuned values
16-08-18 Elb tune_outposts2 diff 
29011/30000 iterations

59530/60000 games played
60000 @ 10+0.1 th 1 Tune safe outposts (outposts that cannot be attacked by enemy minors)
16-08-18 Elb outposts_tuned diff 
LLR: -2.94 (-2.94,2.94) [0.00,4.00]

Total: 21158 W: 3960 L: 4043 D: 13155
sprt @ 10+0.1 th 1 Use tuned outposts values
16-08-17 Elb knight_outpost diff 
LLR: -2.95 (-2.94,2.94) [0.00,4.00]

Total: 63625 W: 12010 L: 11944 D: 39671
sprt @ 10+0.1 th 1 Increase bonus for knight outpost (nr 9 of Stephane Nicolet's suggestions)
16-08-17 Elb tune_outposts diff 
27103/30000 iterations

56024/60000 games played
60000 @ 10+0.1 th 1 Tune the outpost values as knight_outpost test indicates some improvement is possible. Lowered priority of knight_outpost test.
16-08-17 Elb knight_outpost diff 
LLR: -2.97 (-2.94,2.94) [0.00,5.00]

Total: 35242 W: 6591 L: 6564 D: 22087
sprt @ 10+0.1 th 1 Take 2: increase outpost bonus if knight cannot be attacked by minors
16-08-15 Elb KBPPKB_endgame2 diff 
ELO: -0.38 +-2.6 (95%) LOS: 38.7%

Total: 20000 W: 2926 L: 2948 D: 14126
20000 @ 10+0.1 th 1 See pull request #747. I would like to check what the ELO gain/loss is for this endgame patch.
16-08-15 Elb opp_bishop4 diff 
LLR: -2.96 (-2.94,2.94) [0.00,5.00]

Total: 25463 W: 3718 L: 3747 D: 17998
sprt @ 10+0.1 th 1 Take 2: try fortress detection in bishop endgames
16-08-15 Elb opp_bishop4 diff 
LLR: -2.95 (-2.94,2.94) [0.00,5.00]

Total: 17842 W: 2592 L: 2648 D: 12602
sprt @ 10+0.1 th 1 Try fortress detection in bishop endgames
16-08-10 Elb combo7 diff 
LLR: -3.39 (-2.94,2.94) [0.00,5.00]

Total: 9160 W: 1695 L: 1800 D: 5665
sprt @ 10+0.1 th 1 Combo of 2 yellow patches
16-08-09 Elb opp_bishop3 diff 
LLR: -2.94 (-2.94,2.94) [0.00,5.00]

Total: 41170 W: 6088 L: 6059 D: 29023
sprt @ 10+0.1 th 1 Final try in this series
16-08-09 Elb opp_bishop3 diff 
LLR: -2.96 (-2.94,2.94) [0.00,5.00]

Total: 19292 W: 2870 L: 2920 D: 13502
sprt @ 10+0.1 th 1 As take 3 was the best run yet, increase the values for attacking pawns of the stronger side
16-08-08 Elb opp_bishop3 diff 
LLR: -2.95 (-2.94,2.94) [0.00,5.00]

Total: 71366 W: 10651 L: 10512 D: 50203
sprt @ 10+0.1 th 1 Take 3: check if the stronger side has pawns that can be attacked.
16-08-08 Elb opp_bishop3 diff 
LLR: -2.97 (-2.94,2.94) [0.00,5.00]

Total: 13709 W: 1925 L: 1997 D: 9787
sprt @ 10+0.1 th 1 Take 2: if all pawns of the strong side are blocked, more drawing chances
16-08-08 Elb opp_bishop3 diff 
LLR: -2.95 (-2.94,2.94) [0.00,5.00]

Total: 8994 W: 1249 L: 1337 D: 6408
sprt @ 10+0.1 th 1 Have a points based system in determining scale factor in opposite bishops endgame
16-08-07 Elb opp_bishop2 diff 
LLR: -2.95 (-2.94,2.94) [0.00,5.00]

Total: 41805 W: 6172 L: 6141 D: 29492
sprt @ 10+0.1 th 1 Use tuned values
16-08-07 Elb opp_bishop2 diff 
LLR: -2.97 (-2.94,2.94) [0.00,5.00]

Total: 19778 W: 2771 L: 2822 D: 14185
sprt @ 10+0.1 th 1 Tuned values variant 2
16-08-05 Elb tune_opp_bishops diff 
29466/30000 iterations

59821/60000 games played
60000 @ 10+0.1 th 1 As test http://tests.stockfishchess.org/tests/view/57a479630ebc591c761f5e40 looks promising, tune values for opposite bishop endgames.
16-08-05 Elb opp_bishop2 diff 
LLR: -2.95 (-2.94,2.94) [0.00,5.00]

Total: 58440 W: 8540 L: 8451 D: 41449
sprt @ 10+0.1 th 1 Take 3: more drawish if the weak side's bishop and pawns are all on squares of the same color
16-08-05 Elb opp_bishop2 diff 
LLR: -2.43 (-2.94,2.94) [0.00,5.00]

Total: 11114 W: 1580 L: 1639 D: 7895
sprt @ 10+0.1 th 1 Take 2: use pawn span in opposite bishops endgame
16-08-04 Elb opp_bishop2 diff 
LLR: -2.95 (-2.94,2.94) [0.00,5.00]

Total: 12829 W: 1837 L: 1911 D: 9081
sprt @ 10+0.1 th 1 Wrong rook pawn in opposite bishop endgames (rescheduled with 8moves book)
16-08-04 Elb opp_bishop2 diff 
LLR: 0.22 (-2.94,2.94) [0.00,5.00]

Total: 2072 W: 372 L: 354 D: 1346
sprt @ 10+0.1 th 1 Wrong rook pawn in opposite bishop endgames
16-08-04 Elb space_tweak diff 
LLR: -2.95 (-2.94,2.94) [0.00,4.00]

Total: 20105 W: 3819 L: 3906 D: 12380
sprt @ 10+0.1 th 1 Space parameter tweak
16-08-04 Elb rook_space diff 
LLR: -2.96 (-2.94,2.94) [0.00,5.00]

Total: 9520 W: 1742 L: 1827 D: 5951
sprt @ 10+0.1 th 1 Another try: only consider the backrank
16-08-04 Elb rook_space diff 
LLR: -2.96 (-2.94,2.94) [0.00,5.00]

Total: 11744 W: 2227 L: 2302 D: 7215
sprt @ 10+0.1 th 1 Take 3
16-08-03 Elb rook_space diff 
LLR: -2.94 (-2.94,2.94) [0.00,5.00]

Total: 25918 W: 4793 L: 4806 D: 16319
sprt @ 10+0.1 th 1 Take 2b (bugfix)
16-08-03 Elb rook_space diff 
LLR: -0.88 (-2.94,2.94) [0.00,5.00]

Total: 3380 W: 456 L: 480 D: 2444
sprt @ 60+0.6 th 1 Take 2 (LTC)
16-08-03 Elb rook_space diff 
LLR: 2.97 (-2.94,2.94) [0.00,5.00]

Total: 8858 W: 1811 L: 1643 D: 5404
sprt @ 10+0.1 th 1 Take 2
16-08-03 Elb rook_space diff 
LLR: -2.96 (-2.94,2.94) [0.00,5.00]

Total: 11482 W: 2127 L: 2203 D: 7152
sprt @ 10+0.1 th 1 Experiment with rook space
16-08-02 Elb pawn_threat diff 
LLR: -2.96 (-2.94,2.94) [0.00,5.00]

Total: 4370 W: 787 L: 895 D: 2688
sprt @ 10+0.1 th 1 Pawn under threat
16-08-01 Elb opp_bishop diff 
LLR: -2.97 (-2.94,2.94) [0.00,5.00]

Total: 11991 W: 2264 L: 2338 D: 7389
sprt @ 10+0.1 th 1 Take 3
16-07-29 Elb opp_bishop diff 
LLR: -2.96 (-2.94,2.94) [0.00,5.00]

Total: 8295 W: 1494 L: 1584 D: 5217
sprt @ 10+0.1 th 1 Take 2: when attacking side has major pieces, increase scale factor, otherwise decrease
16-07-29 Elb opp_bishop diff 
LLR: -2.95 (-2.94,2.94) [0.00,5.00]

Total: 4412 W: 789 L: 896 D: 2727
sprt @ 10+0.1 th 1 Opposite colored bishop material dependency scaling
16-07-29 Elb blocked_p2 diff 
LLR: -2.95 (-2.94,2.94) [0.00,5.00]

Total: 12031 W: 2282 L: 2355 D: 7394
sprt @ 10+0.1 th 1 Take 4: use -2 factor
16-07-29 Elb blocked_p2 diff 
LLR: -2.96 (-2.94,2.94) [0.00,5.00]

Total: 22851 W: 4407 L: 4432 D: 14012
sprt @ 10+0.1 th 1 Take 3: correct for pawns