Stockfish Testing Queue

Finished - 59227 tests

13-03-18 mco 3698d9aa5573ca diff
ELO: 15.49 +-4.8 (95%) LOS: 100.0%
Total: 20000 W: 3907 L: 3016 D: 13077
20000 @ 60+0.05 th 1
Retest regression with new hash size of 128MB, previous result with 32MB hash size was +16.62 ELO
13-03-18 gli no_pv_dangerous diff
ELO: 5.43 +-4.4 (95%) LOS: 100.0%
Total: 24000 W: 4926 L: 4551 D: 14523
24000 @ 15+0.05 th 1
Don't extend dangerous moves in PV
13-03-18 gli no_pv_dangerous diff
ELO: 2.84 +-4.4 (95%) LOS: 97.9%
Total: 24000 W: 4781 L: 4585 D: 14634
24000 @ 15+0.05 th 1
Treat killers and ttMove as dangerous
13-03-18 gli no_pv_dangerous diff
ELO: -8.65 +-6.2 (95%) LOS: 0.0%
Total: 12212 W: 2359 L: 2663 D: 7190
24000 @ 15+0.05 th 1
No restriction on LMR depth
13-03-19 mco master diff
ELO: 26.11 +-15.3 (95%) LOS: 100.0%
Total: 2000 W: 448 L: 298 D: 1254
10000 @ 15+0.05 th 8
Quick test with SMP enabled (8 threads). This requirement can be satisfied only by Gary's 24 cores machine
13-03-19 gli qsearch_pruning diff
ELO: -4.07 +-5.1 (95%) LOS: 0.6%
Total: 18000 W: 3484 L: 3695 D: 10821
24000 @ 15+0.05 th 1
Try again with new conditions
13-03-19 gli all_cut_iid diff
ELO: 0.72 +-4.4 (95%) LOS: 69.6%
Total: 24000 W: 4763 L: 4713 D: 14524
24000 @ 15+0.05 th 1
Tweak IID based on all/cut
13-03-19 gli all_cut_iid diff
ELO: 1.56 +-4.4 (95%) LOS: 86.7%
Total: 24000 W: 4772 L: 4664 D: 14564
24000 @ 15+0.05 th 1
Bring back different depth for pv/non-pv
13-03-19 gli all_cut_iid diff
ELO: -3.71 +-4.4 (95%) LOS: 0.4%
Total: 24000 W: 4639 L: 4895 D: 14466
24000 @ 15+0.05 th 1
Use eval as another condition
13-03-19 gli movepick diff
ELO: 1.51 +-4.4 (95%) LOS: 86.1%
Total: 24000 W: 4662 L: 4558 D: 14780
24000 @ 15+0.05 th 1
Test how valuable negative captures are when close to beta
13-03-19 gli see_movepick diff
ELO: -4.56 +-7.6 (95%) LOS: 3.0%
Total: 8000 W: 1511 L: 1616 D: 4873
24000 @ 15+0.05 th 1
Use SEE always for ordering evasions
13-03-20 gli f45b170 diff
ELO: -2.92 +-6.8 (95%) LOS: 7.6%
Total: 10000 W: 1675 L: 1759 D: 6566
16000 @ 60+0.05 th 1
Retest don't extend dangerous moves in PV at long TC
13-03-20 gli all_cut_iid diff
ELO: -0.14 +-4.4 (95%) LOS: 45.9%
Total: 24000 W: 4696 L: 4706 D: 14598
24000 @ 15+0.05 th 1
Try higher depth for IID
13-03-20 gli all_cut_iid diff
ELO: 0.64 +-6.2 (95%) LOS: 62.4%
Total: 12000 W: 2451 L: 2429 D: 7120
24000 @ 15+0.05 th 1
Remove another PV distinction
13-03-20 gli lmr diff
ELO: 0.47 +-4.9 (95%) LOS: 61.6%
Total: 19342 W: 3879 L: 3853 D: 11610
24000 @ 15+0.05 th 1
Increase LMR depth
13-03-20 mco passed_pawns diff
ELO: 8.49 +-6.6 (95%) LOS: 100.0%
Total: 10812 W: 2355 L: 2091 D: 6366
24000 @ 15+0.05 th 1
Eval tweak by Jundery, seems a +7 ELO on his tests
13-03-21 gli iid diff
ELO: 0.43 +-5.4 (95%) LOS: 60.0%
Total: 16000 W: 3155 L: 3135 D: 9710
16000 @ 15+0.05 th 1
Always try IID
13-03-21 gli 33f4172 diff
ELO: -0.13 +-3.1 (95%) LOS: 46.7%
Total: 16000 W: 2697 L: 2703 D: 10600
16000 @ 60+0.05 th 1
Re-test at long TC
13-03-22 mco fix_mate_scores diff
ELO: 2.40 +-4.4 (95%) LOS: 95.7%
Total: 24000 W: 4774 L: 4608 D: 14618
24000 @ 15+0.05 th 1
Fix by Joona to prevent reporting bogus mate scores
13-03-22 mco bestValue_pruning diff
ELO: 4.78 +-3.3 (95%) LOS: 99.8%
Total: 16000 W: 3172 L: 2952 D: 9876
16000 @ 15+0.05 th 1
Extend to search what we already do in qsearch
13-03-22 gli all_cut_iid diff
ELO: 4.76 +-3.1 (95%) LOS: 99.9%
Total: 18255 W: 3656 L: 3406 D: 11193
24000 @ 15+0.05 th 1
Remove eval check for IID
13-03-22 gli null_move diff
ELO: -9.45 +-6.3 (95%) LOS: 0.2%
Total: 4632 W: 869 L: 995 D: 2768
24000 @ 15+0.05 th 1
Bump R up to 4 base, no eval tweak
13-03-22 mco increase_iid diff
ELO: 5.97 +-3.3 (95%) LOS: 100.0%
Total: 16000 W: 3149 L: 2874 D: 9977
16000 @ 20+0.05 th 1
My attemp at improving IID, this time search deeper Non-Pv in case
13-03-22 mco passed_pawns diff
ELO: -0.80 +-5.4 (95%) LOS: 31.0%
Total: 16000 W: 2756 L: 2793 D: 10451
16000 @ 60+0.05 th 1
Jundary's patch bumped up at 60" per game
13-03-23 mco passed_pawns diff
ELO: 1.69 +-3.1 (95%) LOS: 85.4%
Total: 16000 W: 2773 L: 2695 D: 10532
16000 @ 60+0.05 th 1
Another attempt by Jundery. This time we go directly at 60" becuase short TC is not sensible
13-03-24 jki qs_check_depth_zero diff
ELO: -2.65 +-3.3 (95%) LOS: 5.7%
Total: 16000 W: 2932 L: 3054 D: 10014
16000 @ 15+0.05 th 1
QSearch checks only at depth = 0
13-03-24 jki qs_no_recaptures diff
ELO: 2.15 +-3.3 (95%) LOS: 89.9%
Total: 16000 W: 3069 L: 2970 D: 9961
16000 @ 15+0.05 th 1
Check if qsearch recapturing logic is harmful
13-03-24 jki tuning_try_material diff
ELO: -3.26 +-3.3 (95%) LOS: 2.7%
Total: 16000 W: 2959 L: 3109 D: 9932
16000 @ 15+0.05 th 1
Retest one old tuning try for material coefficients
13-03-24 jki qs_no_equal_see_pruning diff
ELO: -4.73 +-3.3 (95%) LOS: 0.3%
Total: 16000 W: 2925 L: 3143 D: 9932
16000 @ 15+0.05 th 1
Test usefulness of pruning moves with equal SEE in qsearch
13-03-24 jki qsearch_TT_fixed_depth diff
ELO: -1.80 +-3.3 (95%) LOS: 14.5%
Total: 16000 W: 3032 L: 3115 D: 9853
16000 @ 15+0.05 th 1
Always use DEPTH_ZERO when accessing TT in qsearch
13-03-24 jki always_check_repetition diff
ELO: 2.74 +-2.7 (95%) LOS: 97.6%
Total: 24000 W: 4698 L: 4509 D: 14793
24000 @ 15+0.05 th 1
Any gain in skipping repetition detection in qsearch?
13-03-24 jki no_gain_tables diff
ELO: -4.19 +-3.3 (95%) LOS: 0.7%
Total: 16000 W: 2978 L: 3171 D: 9851
16000 @ 15+0.05 th 1
Measure value of Gain-tables in futility pruning
13-03-24 mco master diff
ELO: 16.71 +-2.8 (95%) LOS: 100.0%
Total: 20000 W: 3835 L: 2874 D: 13291
20000 @ 60+0.05 th 1
Regression test with bestValue_pruning applied. It's the candidate for next TCEC stage
13-03-25 gli Outpost_Weighting diff
ELO: 0.43 +-3.4 (95%) LOS: 60.0%
Total: 16000 W: 3109 L: 3089 D: 9802
16000 @ 15+0.05 th 1
RyanTaker idea, reduce outpost weight when major pieces gone
13-03-25 gli Space_Weighting diff
ELO: 1.09 +-3.4 (95%) LOS: 73.4%
Total: 16000 W: 3212 L: 3162 D: 9626
16000 @ 15+0.05 th 1
RyanTaker idea, have space be valued in endgame as well
13-03-25 jki razor_value_adjust diff
ELO: -1.02 +-3.3 (95%) LOS: 27.5%
Total: 16000 W: 3074 L: 3121 D: 9805
16000 @ 15+0.05 th 1
Return orthodox value when razoring
13-03-25 jki pv_only_extend_checks diff
ELO: -1.15 +-3.4 (95%) LOS: 25.4%
Total: 16000 W: 3165 L: 3218 D: 9617
16000 @ 15+0.05 th 1
In PV nodes extend only checks (not all dangerous moves)
13-03-25 lbr lucas diff
ELO: -1.63 +-3.4 (95%) LOS: 17.2%
Total: 16000 W: 3097 L: 3172 D: 9731
16000 @ 15+0.05 th 1
same reduction formula for PV and non PV nodes
13-03-25 lbr lucas diff
ELO: -5.73 +-3.6 (95%) LOS: 0.1%
Total: 14013 W: 2646 L: 2877 D: 8490
16000 @ 15+0.05 th 1
LMR smooth transition between search and qsearch
13-03-25 gli see_movepick diff
ELO: -3.49 +-4.3 (95%) LOS: 5.8%
Total: 9570 W: 1814 L: 1910 D: 5846
16000 @ 15+0.05 th 1
Take 3 for see_movepick
13-03-25 lbr lucas diff
ELO: 4.89 +-3.3 (95%) LOS: 99.8%
Total: 16000 W: 3148 L: 2923 D: 9929
16000 @ 15+0.05 th 1
cleaup search extensions
13-03-25 gli see_movepick diff
ELO: -3.77 +-4.1 (95%) LOS: 3.6%
Total: 10789 W: 2052 L: 2169 D: 6568
16000 @ 15+0.05 th 1
Try without sort evasions by SEE
13-03-25 jki null_move2 diff
ELO: -1.87 +-3.3 (95%) LOS: 13.6%
Total: 16000 W: 3030 L: 3116 D: 9854
16000 @ 15+0.05 th 1
Null move: R = 3 + depth / 4 (no eval tweak)
13-03-25 mco increase_iid diff
ELO: -0.07 +-3.2 (95%) LOS: 48.3%
Total: 15457 W: 2615 L: 2618 D: 10224
16000 @ 60+0.05 th 1
Retest at longer TC to see if it holds the +6 ELO
13-03-26 gli see_search diff
ELO: -26.75 +-4.2 (95%) LOS: 0.0%
Total: 10673 W: 1725 L: 2545 D: 6403
16000 @ 15+0.05 th 1
Try sorting see < 0 non-captures to end of list
13-03-26 gli see_search diff
ELO: 1.56 +-3.3 (95%) LOS: 82.3%
Total: 16000 W: 3062 L: 2990 D: 9948
16000 @ 15+0.05 th 1
Add one ply reduction if SEE is bad for non-capture above pruning depth
13-03-26 gli fail_low_skip_ply diff
ELO: -3.63 +-4.6 (95%) LOS: 6.0%
Total: 8794 W: 1700 L: 1792 D: 5302
16000 @ 15+0.05 th 1
Old Garbochess idea, skip ply if we continue to fail low
13-03-26 jki qs_check_depth_2 diff
ELO: -2.32 +-3.4 (95%) LOS: 9.0%
Total: 16000 W: 3125 L: 3232 D: 9643
16000 @ 15+0.05 th 1
Adjust QS Check depth to -2
13-03-26 jki prune_dangerous_neg_see diff
ELO: -2.13 +-3.4 (95%) LOS: 10.8%
Total: 16000 W: 3083 L: 3181 D: 9736
16000 @ 15+0.05 th 1
Prune also dangerous moves with negative SEE at low depths
13-03-26 gli all_cut_iid diff
ELO: 0.28 +-3.1 (95%) LOS: 57.0%
Total: 16000 W: 2750 L: 2737 D: 10513
16000 @ 60+0.05 th 1
Long TC: Remove eval check for IID