CCRL 40/4
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 2'120'567 games
played by 2'479 programs
28673 CPU days (X2 4600+)

White wins: 822'832 (38.8%)
Black wins: 665'262 (31.4%)
Draws: 632'473 (29.8%)
White score: 53.7%

Custom engine selection

Comparing 9 engines!
9 selected engines played 0 games with each other

CCRL 40/4 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 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern CPU.
Computed on October 19, 2019 with Bayeselo based on 2'120'567 games

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 300 games or more. Normal font - less than 300 games.

RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
Elo+
1Defenchess 2.2 64-bit 4CPU3360+22−2262.9%−75.257.1%585 
100.0%
 Defenchess 2.1 64-bit 4CPU3288+19−1944.6%+38.544.0%941
86.7%
 Defenchess 2.2 64-bit3271+22−2249.7%+0.957.3%592
100.0%
 Defenchess 2.1 64-bit3222+16−1650.6%−0.543.0%1243
91.0%
 Defenchess 2.0 64-bit3192+41−4064.6%−90.144.1%188
99.9%
 Defenchess 1.1f 64-bit 4CPU3120+14−1447.0%+20.141.6%1701
100.0%
 Defenchess 1.1f 64-bit3046+11−1050.9%−14.840.3%3036
84.5%
 Defenchess 1.1e 64-bit3036+17−1769.6%−145.327.8%1361
100.0%
 Defenchess 1.0 64-bit2844+18−1851.3%−10.037.9%1056
 

Results matrix

Custom engine selection
#NameElo123456789
1Defenchess 2.2 64-bit 4CPU3360         
2Defenchess 2.1 64-bit 4CPU3288         
3Defenchess 2.2 64-bit3271         
4Defenchess 2.1 64-bit3222         
5Defenchess 2.0 64-bit3192         
6Defenchess 1.1f 64-bit 4CPU3120         
7Defenchess 1.1f 64-bit3046         
8Defenchess 1.1e 64-bit3036         
9Defenchess 1.0 64-bit2844         
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
#NameElo123456789
1Defenchess 2.2 64-bit 4CPU3360 100.0100.0100.0100.0100.0100.0100.0100.0
2Defenchess 2.1 64-bit 4CPU32880.0 86.7100.0100.0100.0100.0100.0100.0
3Defenchess 2.2 64-bit32710.013.3 100.0100.0100.0100.0100.0100.0
4Defenchess 2.1 64-bit32220.00.00.0 91.0100.0100.0100.0100.0
5Defenchess 2.0 64-bit31920.00.00.09.0 99.9100.0100.0100.0
6Defenchess 1.1f 64-bit 4CPU31200.00.00.00.00.1 100.0100.0100.0
7Defenchess 1.1f 64-bit30460.00.00.00.00.00.0 84.5100.0
8Defenchess 1.1e 64-bit30360.00.00.00.00.00.015.5 100.0
9Defenchess 1.0 64-bit28440.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456789
1Defenchess 2.2 64-bit 4CPU3360 13300089000
2Defenchess 2.1 64-bit 4CPU3288133 0004988200
3Defenchess 2.2 64-bit327100 7620012700
4Defenchess 2.1 64-bit322200762 56409043090
5Defenchess 2.0 64-bit3192000564 03931770
6Defenchess 1.1f 64-bit 4CPU312089498000 000
7Defenchess 1.1f 64-bit30460821279043930 26321
8Defenchess 1.1e 64-bit30360003091770263 1273
9Defenchess 1.0 64-bit2844000000211273 
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
#NameElo123456789
1Defenchess 2.2 64-bit 4CPU3360 8.70.00.00.03.90.00.00.0
2Defenchess 2.1 64-bit 4CPU32888.7 0.00.00.018.82.10.00.0
3Defenchess 2.2 64-bit32710.00.0 41.50.00.03.50.00.0
4Defenchess 2.1 64-bit32220.00.041.5 39.40.021.111.90.0
5Defenchess 2.0 64-bit31920.00.00.039.4 0.012.211.40.0
6Defenchess 1.1f 64-bit 4CPU31203.918.80.00.00.0 0.00.00.0
7Defenchess 1.1f 64-bit30460.02.13.521.112.20.0 6.00.5
8Defenchess 1.1e 64-bit30360.00.00.011.911.40.06.0 52.7
9Defenchess 1.0 64-bit28440.00.00.00.00.00.00.552.7 
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 58 common opponents

Custom engine selection
NameEloDefenchess
2.2
64-bit
4CPU
Defenchess
2.1
64-bit
4CPU
Defenchess
2.2
64-bit
Defenchess
2.1
64-bit
Defenchess
2.0
64-bit
Defenchess
1.1f
64-bit
4CPU
Defenchess
1.1f
64-bit
Defenchess
1.1e
64-bit
Defenchess
1.0
64-bit
Houdini 6 64-bit3444   18%
8/44
  0%
0/2
  
Fizbo 2 64-bit 4CPU3345 42%
32/76
   19%
6/32
   
Fire 7.1 64-bit3338  37%
23.5/64
23%
7/31
  50%
0.5/1
  
Andscacs 0.95 64-bit 4CPU333559%
34/58
47%
35.5/75
       
Ethereal 11.50 64-bit3323  38%
24.5/64
19%
6/32
  50%
0.5/1
  
Xiphos 0.5 64-bit3305  48%
30.5/64
42%
13/31
  0%
0/1
  
Laser 1.7 64-bit3273  43%
27.5/64
45%
14.5/32
     
Shredder 13 64-bit3270  55%
35.5/64
44%
14/32
     
Booot 6.3.1 64-bit3254  53%
34/64
42%
13.5/32
  0%
0/1
  
Fizbo 2 64-bit3246  57%
36.5/64
42%
13.5/32
  25%
13/51
  
Chiron 4 64-bit 4CPU324175%
42.5/57
    38%
12/32
   
Andscacs 0.95 64-bit3239  52%
33/64
48%
15.5/32
     
NirvanaChess 2.4 64-bit 4CPU3225 63%
19/30
   25%
8/32
   
Texel 1.07 64-bit 4CPU3205 57%
17/30
   38%
12/32
   
Senpai 2.0 64-bit 4CPU3175 72%
21.5/30
   44%
17.5/40
   
Nemorino 5.00 64-bit 4CPU3173 57%
17/30
    38%
20/52
  
Chiron 4 64-bit3164   62%
20/32
  36%
11.5/32
  
Wasp 3.60 64-bit 4CPU3156 75%
22.5/30
   49%
36.5/75
   
RubiChess 1.4 64-bit 4CPU3134 75%
22.5/30
   54%
14/26
   
Pedone 1.9 64-bit3133   69%
21.5/31
67%
8/12
    
NameEloDefenchess
2.2
64-bit
4CPU
Defenchess
2.1
64-bit
4CPU
Defenchess
2.2
64-bit
Defenchess
2.1
64-bit
Defenchess
2.0
64-bit
Defenchess
1.1f
64-bit
4CPU
Defenchess
1.1f
64-bit
Defenchess
1.1e
64-bit
Defenchess
1.0
64-bit
Arasan 21.3 64-bit3132   69%
22/32
75%
7.5/10
    
NirvanaChess 2.4 64-bit3130   68%
20.5/30
68%
7.5/11
 32%
10/31
14%
3.5/25
 
Protector 1.9.0 64-bit 4CPU3128 75%
22.5/30
   38%
12/32
   
Vajolet2 2.7 64-bit3126   69%
22/32
46%
5.5/12
 36%
16/44
  
RubiChess 1.5 64-bit3125   62%
20/32
54%
6.5/12
 48%
15/31
  
Nemorino 5.00 64-bit3116   64%
20.5/32
67%
8/12
 40%
44.5/111
  
Texel 1.07 64-bit3112   64%
20.5/32
83%
10/12
 42%
13.5/32
39%
12.5/32
 
Hannibal 1.7 64-bit3110   80%
25.5/32
71%
8.5/12
 31%
9.5/31
39%
12.5/32
 
Rybka 4.1 64-bit3108   67%
21.5/32
54%
6.5/12
 50%
15.5/31
  
Demolito 2019-05-05 64-bit3091   67%
21.5/32
58%
7/12
 48%
15.5/32
  
Protector 1.9.0 64-bit3084   77%
24/31
42%
5/12
  42%
13.5/32
 
Senpai 2.0 64-bit3084   66%
20.5/31
54%
6.5/12
    
chess22k 1.12 64-bit3080   81%
25/31
67%
8/12
 39%
13/33
  
iCE 3.0 64-bit3080   77%
24/31
75%
9/12
 53%
16/30
52%
16.5/32
 
Wasp 3.60 64-bit3078   66%
21/32
73%
8/11
    
ChessBrainVB 3.723047   72%
23/32
83%
10/12
 48%
15.5/32
  
Deep Sjeng c't 20102925      100%
1/1
64%
20.5/32
 
Spike 1.4 Leiden2921      25%
0.5/2
70%
45/64
 
Amoeba 2.6 64-bit2912       74%
47.5/64
41%
11/27
Demolito 2017-08-26 64-bit2911       61%
19.5/32
41%
13/32
NameEloDefenchess
2.2
64-bit
4CPU
Defenchess
2.1
64-bit
4CPU
Defenchess
2.2
64-bit
Defenchess
2.1
64-bit
Defenchess
2.0
64-bit
Defenchess
1.1f
64-bit
4CPU
Defenchess
1.1f
64-bit
Defenchess
1.1e
64-bit
Defenchess
1.0
64-bit
Rodent III 0.172 64-bit2908       58%
18.5/32
39%
12/31
Quazar 0.4 64-bit2900      75%
1.5/2
70%
44.5/64
41%
23.5/58
Deep Junior Yokohama 64-bit2897       64%
20.5/32
48%
15.5/32
Deuterium 14.3.34.130 64-bit2883       75%
24/32
43%
13/30
Murka 3 64-bit2881       70%
45/64
48%
15/31
Atlas 3.80 64-bit2874       69%
43.5/63
50%
16/32
Gaviota 1.0 64-bit2872       83%
52/63
31%
9.5/31
MinkoChess 1.3 64-bit2869       69%
22/32
46%
26/57
DisasterArea 1.65 64-bit2865      100%
1/1
69%
22/32
44%
14/32
Nemo 1.0.1 64-bit2856       71%
45.5/64
53%
16.5/31
Onno 1.2.70 64-bit2845       73%
23.5/32
62%
16/26
Zappa Mexico II 64-bit2843       72%
23/32
44%
11.5/26
Zurichess Luzern 64-bit2843       69%
22/32
50%
13/26
Tornado 8.0 64-bit2826       83%
26.5/32
42%
11/26
Rhetoric 1.4.3 64-bit2804      100%
1/1
 55%
28.5/52
Frenzee 3.5.19 64-bit2769      100%
1/1
 52%
13.5/26
Pawny 1.2 64-bit2767      75%
1.5/2
 55%
28.5/52
Jonny 4.002762       78%
25/32
56%
14.5/26
Score color legend:
(Only pairs with at least 30 games)
0% 5% 10% 15% 20% 25% 30% 35% 40% 45% 50% 55% 60% 65% 70% 75% 80% 85% 90% 95% 100%

Alter engine selection



Alter output selection

Rating list
Testing profile
  (Step: , Numbers: )

Results table
Performance table
Score table
LOS table
Proportion of draws
Number of games
Number of connecting games
Percentage of connecting games
Score with common opponents
Score with all opponents
Performance with common opponents
Performance with all opponents
LOS with common opponents
LOS with all opponents

Maximum size of cross-tables (from 2 to 100):
Limit crosstables to engines in Elo range: to
Match length (Minimum number of games to highlight with color):

Cross-tables show only best version of each engine
Sort cross-tables by:   Rating   Name
Highlight diagonal of cells wide. (0 to highlight everything)

Reference rating list:
Recalibrate:
  No recalibration (reference and current list are compared as they are)
  Recalibrate reference list to current one using selected engines only
  Recalibrate reference list to current one using all common engines
  Recalibrate current list to reference using selected engines only
  Recalibrate current list to reference using all common engines


Created in 2005-2013 by CCRL team
Last games added on October 19, 2019