CCRL 40/15
Downloads and Statistics
April 18, 2021
Testing summary:
Total: 1'237'253 games
played by 2'822 programs

White wins: 424'164 (34.3%)
Black wins: 311'650 (25.2%)
Draws: 501'439 (40.5%)
White score: 54.5%

Custom engine selection

Comparing 7 engines!
7 selected engines played 30 games with each other

CCRL 40/15 Rating List — Custom engine selection (Quote)

Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 15 minutes on an Intel i7-4770k.
Computed on April 18, 2021 with Bayeselo based on 1'237'253 games
Please refer to the "about" page for comments on engine inclusion

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 200 games or more. Normal font - less than 200 games.

RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
Elo+
1Octochess r5506 64-bit 4CPU2887+21−2144.5%+35.646.7%715 
100.0%
 Octochess r5190 64-bit 4CPU2822+24−2445.9%+23.744.5%555
99.5%
 Octochess r5506 64-bit2784+15−1548.1%+10.442.4%1426
87.4%
 Octochess r5190 64-bit2771+15−1548.7%+8.540.2%1521
99.2%
 Octochess r5132 64-bit2729+31−3151.1%−7.542.8%313
60.1%
 Octochess r4984 64-bit2723+31−3149.7%+4.037.0%324
87.4%
 Octochess r4741 64-bit2697+32−3251.1%−4.741.2%308
 

Results matrix

Custom engine selection
#NameElo1234567
1Octochess r5506 64-bit 4CPU2887 19.5 − 10.5
+10−1=19
+17
     
2Octochess r5190 64-bit 4CPU282210.5 − 19.5
+1−10=19
−17
      
3Octochess r5506 64-bit2784       
4Octochess r5190 64-bit2771       
5Octochess r5132 64-bit2729       
6Octochess r4984 64-bit2723       
7Octochess r4741 64-bit2697       
Performance color legend:
(Only pairs with at least 30 games)
-120 -100 -80 -60 -40 -20 0 20 40 60 80 100 120

LOS matrix

Custom engine selection
#NameElo1234567
1Octochess r5506 64-bit 4CPU2887 100.0100.0100.0100.0100.0100.0
2Octochess r5190 64-bit 4CPU28220.0 99.5100.0100.0100.0100.0
3Octochess r5506 64-bit27840.00.5 87.499.9100.0100.0
4Octochess r5190 64-bit27710.00.012.6 99.299.7100.0
5Octochess r5132 64-bit27290.00.00.10.8 60.191.8
6Octochess r4984 64-bit27230.00.00.00.339.9 87.4
7Octochess r4741 64-bit26970.00.00.00.08.212.6 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567
1Octochess r5506 64-bit 4CPU2887 1495500120
2Octochess r5190 64-bit 4CPU2822149 8248120
3Octochess r5506 64-bit2784558 6115411180
4Octochess r5190 64-bit2771024611 314290176
5Octochess r5132 64-bit27290854314 19099
6Octochess r4984 64-bit27231212111290190 160
7Octochess r4741 64-bit2697008017699160 
Number of connecting games color legend:
0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000

Percentage of connecting games matrix

Custom engine selection
#NameElo1234567
1Octochess r5506 64-bit 4CPU2887 11.72.60.00.01.20.0
2Octochess r5190 64-bit 4CPU282211.7 0.41.20.91.40.0
3Octochess r5506 64-bit27842.60.4 20.73.16.34.6
4Octochess r5190 64-bit27710.01.220.7 17.115.79.6
5Octochess r5132 64-bit27290.00.93.117.1 29.815.9
6Octochess r4984 64-bit27231.21.46.315.729.8 25.3
7Octochess r4741 64-bit26970.00.04.69.615.925.3 
Percentage of connecting games color legend:
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100

Score with 88 common opponents

Custom engine selection
NameEloOctochess
r5506
64-bit
4CPU
Octochess
r5190
64-bit
4CPU
Octochess
r5506
64-bit
Octochess
r5190
64-bit
Octochess
r5132
64-bit
Octochess
r4984
64-bit
Octochess
r4741
64-bit
Gaviota 1.0 64-bit 4CPU294127%
8/30
31%
2.5/8
     
Gull 1.2 64-bit2918  35%
3.5/10
30%
3/10
   
Deep Junior 13.3 32-bit2908  30%
3/10
45%
4.5/10
   
Hannibal 1.2 32-bit2904  15%
1.5/10
30%
3/10
   
Quazar 0.4 64-bit290445%
13.5/30
 50%
0.5/1
  12%
0.5/4
 
chess22k 1.7 64-bit289838%
11.5/30
 41%
6.5/16
    
Booot 5.2.0 64-bit2893   50%
4/8
 12%
0.5/4
 
EXchess 7.97b 64-bit2893  25%
0.5/2
15%
1.5/10
   
Deuterium 14.3.34.130 64-bit289045%
18/40
 75%
1.5/2
    
Bright 0.5c 4CPU288962%
18.5/30
25%
1.5/6
     
Quazar 0.4 32-bit2879  45%
4.5/10
20%
2/10