| 26-03-13 |
gl |
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 |
| 26-03-13 |
gl |
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 |
| 25-03-13 |
jk |
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) |
| 27-03-13 |
lb |
lucas |
diff
|
ELO: -1.41 +-3.4 (95%) LOS: 20.6%
Total: 16000 W: 3097 L: 3162 D: 9741
|
16000
@ 15+0.05 th 1 |
restest without regressive LMR smoothing at shallow depth part |
| 25-03-13 |
lb |
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 |
| 25-03-13 |
gl |
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 |
| 25-03-13 |
lb |
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 |
| 25-03-13 |
jk |
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) |
| 25-03-13 |
gl |
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 |
| 25-03-13 |
jk |
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 |
| 25-03-13 |
gl |
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 |
| 24-03-13 |
jk |
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 |
| 24-03-13 |
jk |
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? |
| 24-03-13 |
jk |
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 |
| 24-03-13 |
jk |
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 |
| 25-03-13 |
mc |
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 |
| 24-03-13 |
jk |
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 |
| 24-03-13 |
jk |
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 |
| 26-03-13 |
gl |
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 |
| 24-03-13 |
jk |
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 |
| 22-03-13 |
mc |
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 |
| 25-03-13 |
lb |
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 |
| 25-03-13 |
gl |
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 |
| 24-03-13 |
mc |
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 |
| 22-03-13 |
gl |
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 |
| 22-03-13 |
gl |
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 |
| 22-03-13 |
mc |
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 |
| 21-03-13 |
gl |
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 |
| 23-03-13 |
mc |
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 |
| 21-03-13 |
gl |
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 |
| 22-03-13 |
mc |
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 |
| 22-03-13 |
mc |
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 |
| 20-03-13 |
mc |
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 |
| 20-03-13 |
gl |
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 |
| 20-03-13 |
gl |
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 |
| 20-03-13 |
gl |
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 |
| 20-03-13 |
gl |
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 |
| 19-03-13 |
gl |
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 |
| 19-03-13 |
gl |
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 |
| 19-03-13 |
gl |
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 |
| 19-03-13 |
gl |
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 |
| 19-03-13 |
gl |
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 |
| 19-03-13 |
gl |
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 |
| 19-03-13 |
mc |
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 |
| 18-03-13 |
gl |
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 |
| 18-03-13 |
gl |
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 |
| 18-03-13 |
mc |
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 |
| 18-03-13 |
gl |
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 |
| 17-03-13 |
gl |
lmr |
diff
|
ELO: -3.97 +-5.4 (95%) LOS: 0.7%
Total: 16000 W: 2636 L: 2819 D: 10545
|
16000
@ 60+0.05 th 1 |
Retest at longer TC |
| 16-03-13 |
mc |
master |
diff
|
ELO: 17.77 +-4.8 (95%) LOS: 100.0%
Total: 20000 W: 3919 L: 2897 D: 13184
|
20000
@ 60+0.05 th 1 |
Regression test with increased SEE prune and reverted easy move once |