Stockfish Testing Queue

Finished - 3882 tests

14-10-07 sni passed_duo5 diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 4586 W: 918 L: 1013 D: 2655
sprt @ 15+0.05 th 1 Add some bonus for each duo of passed pawns
14-10-07 sni iterative_deepening diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 3110 W: 598 L: 697 D: 1815
sprt @ 15+0.05 th 1 Search even depths in iterative deepening
14-10-07 sni doubled_isolated2 diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 28982 W: 5890 L: 5916 D: 17176
sprt @ 15+0.05 th 1 Increase penalty for doubled pawn if pawn is also isolated
14-10-08 sni doubled_isolated2 diff
4957/5000 iterations
10000/10000 games played
10000 @ 15+0.05 th 1 SPSA tuning for isolated doubled penalty
14-10-08 sni doubled_isolated2 diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 21464 W: 4355 L: 4402 D: 12707
sprt @ 15+0.05 th 1 sprt test with penalty for doubled isolated pawns tuned by SPSA
14-10-08 sni keep_material6 diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 14959 W: 3001 L: 3067 D: 8891
sprt @ 15+0.05 th 1 Take 3 : when ahead, keep pawns and exchange pieces
14-10-10 sni keep_material6 diff
19735/20000 iterations
40000/40000 games played
40000 @ 15+0.05 th 1 SPSA session for the idea of keeping pawns and exchanging pieces when ahead. Default values seemed reasonable in local testing (540 - 490 - 1515 [0.510] after 2545 games).
14-10-11 sni king_support diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 4208 W: 820 L: 916 D: 2472
sprt @ 15+0.05 th 1 Replace evaluate_unstoppable_pawns() by evaluate_king_support_for_passed_pawns()
14-10-11 sni king_support diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 4018 W: 760 L: 856 D: 2402
sprt @ 15+0.05 th 1 Try a quadratic formula
14-10-12 sni keep_material6 diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 2586 W: 465 L: 565 D: 1556
sprt @ 15+0.05 th 1 Last try : best version so far in local testing
14-10-14 sni king_support diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 4497 W: 892 L: 987 D: 2618
sprt @ 15+0.05 th 1 King support for passed pawn and rule of square in endgame
14-10-15 sni king_support diff
9844/10000 iterations
20000/20000 games played
20000 @ 15+0.05 th 1 Tune parameters for king support and rule of square
14-10-16 sni king_support diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 15724 W: 3192 L: 3255 D: 9277
sprt @ 15+0.05 th 1 King support and rule of square for passed pawns: last try, with tuned values.
14-10-16 sni exchange diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 15648 W: 3191 L: 3255 D: 9202
sprt @ 15+0.05 th 1 Consider explicitly threats of winning an exchange : take 1
14-10-16 sni exchange diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 12342 W: 2488 L: 2561 D: 7293
sprt @ 15+0.05 th 1 Consider explicitly threats of winning an exchange : take 2
14-10-17 sni threats diff
LLR: 2.97 (-2.94,2.94) [-1.50,4.50]
Total: 10077 W: 2160 L: 2023 D: 5894
sprt @ 15+0.05 th 1 Get rid of lsb() in threat evaluation by calculating maximum threat of each type
14-10-17 sni threats diff
LLR: -2.96 (-2.94,2.94) [0.00,6.00]
Total: 42947 W: 7347 L: 7241 D: 28359
sprt @ 60+0.05 th 1 LTC: get rid of lsb() in threat evaluation by calculating maximum threat of each type
14-10-18 sni threats diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 3390 W: 630 L: 728 D: 2032
sprt @ 15+0.05 th 1 Take 2 : add some multithreats ideas
14-10-19 sni threats diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 26864 W: 5468 L: 5500 D: 15896
sprt @ 15+0.05 th 1 Take 3 : use maximum threat idea for hanging pieces.
14-10-22 sni threats diff
19449/20000 iterations
40000/40000 games played
40000 @ 15+0.05 th 1 SPSA tuning for Threat array
14-10-23 sni threats diff
LLR: 2.95 (-2.94,2.94) [-1.50,4.50]
Total: 7598 W: 1596 L: 1468 D: 4534
sprt @ 15+0.05 th 1 Test with tuned values and no lsb()
14-10-23 sni threats diff
LLR: 2.97 (-2.94,2.94) [0.00,6.00]
Total: 7896 W: 1495 L: 1350 D: 5051
sprt @ 60+0.05 th 1 LTC: test with tuned values and no lsb()
14-10-23 sni threats2 diff
LLR: -1.90 (-2.94,2.94) [0.00,4.00]
Total: 25507 W: 5147 L: 5156 D: 15204
sprt @ 15+0.05 th 1 Raise value of threats on bishops, compared to threats on knights: hopefully this might help to get the bishop pair.
14-10-24 sni threats2 diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 6322 W: 1227 L: 1317 D: 3778
sprt @ 15+0.05 th 1 Use max_threat() for attacks by pawns, too. Experimental run with untuned values.
14-10-25 sni pawnspan4 diff
4939/5000 iterations
9983/10000 games played
10000 @ 15+0.05 th 1 SPSA tuning for PawnFileSpan
14-10-25 sni pawnspan4 diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 33347 W: 6804 L: 6818 D: 19725
sprt @ 15+0.05 th 1 take 1 : half PawnFileSpan value when we have passed pawns
14-10-26 sni pawnspan4 diff
LLR: 2.96 (-2.94,2.94) [-1.50,4.50]
Total: 24428 W: 5056 L: 4880 D: 14492
sprt @ 15+0.05 th 1 take 2 : medium PawnFileSpan value, independent of passed pawns
14-10-26 sni pawnspan4 diff
LLR: 2.96 (-2.94,2.94) [0.00,4.00]
Total: 26590 W: 4715 L: 4472 D: 17403
sprt @ 60+0.05 th 1 LTC for take 2 : medium PawnFileSpan value, independent of passed pawns
14-10-28 sni little_combinaisons9 diff
6527/10000 iterations
13278/20000 games played
20000 @ 15+0.05 th 1 Experiment with little combinations on weak pawns
14-10-29 sni little_combinaisons9 diff
5107/5000 iterations
10000/10000 games played
10000 @ 15+0.05 th 1 Experiment with little combinations on weak pawns. Take 2: start SPSA from other initial value.
14-10-30 sni little_combinaisons9 diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 4263 W: 837 L: 933 D: 2493
sprt @ 15+0.05 th 1 Little combinations on under-protected pawns (penalty of half a pawn).
14-10-30 sni coordination4 diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 990 W: 166 L: 272 D: 552
sprt @ 15+0.05 th 1 Rook coordination
14-10-30 sni pawns2 diff
LLR: 2.95 (-2.94,2.94) [-1.50,4.50]
Total: 37182 W: 7578 L: 7368 D: 22236
sprt @ 15+0.05 th 1 Doubled pawns on b and g files may be somewhat less handicapping, see Larry Kaufman’s article on http://home.comcast.net/~danheisman/Articles/doubled_pawns.htm
14-10-31 sni pawns2 diff
LLR: -0.86 (-2.94,2.94) [0.00,4.00]
Total: 38749 W: 6650 L: 6569 D: 25530
sprt @ 60+0.05 th 1 LTC: Doubled pawns on b and g files may be somewhat less handicapping, see Larry Kaufman’s article on http://home.comcast.net/~danheisman/Articles/doubled_pawns.htm
14-10-31 sni little_combinaisons9 diff
LLR: -2.95 (-2.94,2.94) [-1.50,4.50]
Total: 6630 W: 1329 L: 1418 D: 3883
sprt @ 15+0.05 th 1 Little combinations on under-protected pawns.Take 2, penalty of one tenth of a pawn.
14-10-31 sni little_combinaisons9 diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 20045 W: 3992 L: 4044 D: 12009
sprt @ 15+0.05 th 1 Little combinations on under-protected pieces. Take 3: same idea, but now targeting pieces too.
14-11-01 sni pawns2 diff
19172/20000 iterations
39161/40000 games played
40000 @ 15+0.05 th 1 Tuning doubled b and g pawns penalties around the values that passed STC
14-11-02 sni pawns3 diff
LLR: -1.87 (-2.94,2.94) [0.00,4.00]
Total: 102102 W: 20812 L: 20534 D: 60756
sprt @ 15+0.05 th 1 SPRT test with tuned values for doubled or isolated a and b pawns
14-11-08 sni probcut3 diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 45027 W: 9165 L: 9147 D: 26715
sprt @ 15+0.05 th 1 More accurate probcut
14-11-09 sni probcut4 diff
LLR: -2.94 (-2.94,2.94) [-1.50,4.50]
Total: 21174 W: 4227 L: 4275 D: 12672
sprt @ 15+0.05 th 1 Simpler threshold eval >= beta
14-11-09 sni probcut5 diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 7810 W: 1555 L: 1641 D: 4614
sprt @ 15+0.05 th 1 Larger reduction
14-11-12 sni threats4 diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 18857 W: 3723 L: 3778 D: 11356
sprt @ 15+0.05 th 1 Threat tempo (experimental run)
14-11-13 sni threats5 diff
LLR: -2.96 (-2.94,2.94) [-1.50,4.50]
Total: 23462 W: 4735 L: 4777 D: 13950
sprt @ 15+0.05 th 1 Threat tempo in endgame
14-11-14 sni stochastic4 diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 18856 W: 3843 L: 3898 D: 11115
sprt @ 15+0.05 th 1 Double stochastic mobility in midgame
14-11-15 sni rule50 diff
LLR: -2.95 (-2.94,2.94) [0.00,6.00]
Total: 1153 W: 172 L: 271 D: 710
sprt @ 60+0.05 th 1 Soft 50 moves rule : instead of returning VALUE_DRAW abruptly after 50 moves, decrease eval slowly after 10 moves or more of piece shuffling
14-11-17 sni no_shuffling diff
ELO: -0.56 +-3.9 (95%) LOS: 38.9%
Total: 10000 W: 1617 L: 1633 D: 6750
10000 @ 60+0.05 th 1 Estimate the Elo cost of avoiding piece shuffling
14-12-03 sni rook3 diff
LLR: -2.97 (-2.94,2.94) [-1.50,4.50]
Total: 7417 W: 1439 L: 1526 D: 4452
sprt @ 15+0.05 th 1 Decrease RookValueMg and RookValueEg by 15
14-12-04 sni simplify_piece_value diff
LLR: -2.95 (-2.94,2.94) [-3.00,1.00]
Total: 33458 W: 6757 L: 6981 D: 19720
sprt @ 15+0.05 th 1 Simplification: use same values for pieces in midgame and endgame (average of previous ones)
14-12-05 sni simplify_piece_value diff
19254/20000 iterations
39522/40000 games played
40000 @ 15+0.05 th 1 SPSA tuning for simplified piece values
14-12-05 sni simplify_piece_value diff
LLR: -2.95 (-2.94,2.94) [-3.00,1.00]
Total: 7089 W: 1439 L: 1616 D: 4034
sprt @ 15+0.05 th 1 Take 2: try tuned values