CCRL 40/4
Downloads and Statistics
November 16, 2019
Testing summary:
Total: 2'132'153 games
played by 2'491 programs
28840 CPU days (X2 4600+)

White wins: 826'813 (38.8%)
Black wins: 668'076 (31.3%)
Draws: 637'264 (29.9%)
White score: 53.7%

Custom engine selection

Comparing 10 engines!
10 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 November 16, 2019 with Bayeselo based on 2'132'153 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+
1Igel 2.0.0 64-bit2921+23−2350.2%−3.039.6%606 
99.9%
 Igel 1.8.2 64-bit 4CPU2862+31−3147.8%+13.330.2%348
60.8%
 Igel 1.9.0 64-bit 4CPU2856+25−2542.8%+46.039.1%491
89.9%
 Igel 1.5.1 64-bit 4CPU2830+30−2957.8%−55.026.0%400
85.0%
 Igel 1.9.0 64-bit2809+27−2744.6%+40.127.1%461
59.5%
 Igel 1.8.3 64-bit2795+105−10550.0%+0.026.7%30
73.6%
 Igel 1.8.2 64-bit2759+19−1947.5%+17.727.1%989
100.0%
 Igel 1.5.1 64-bit2713+18−1849.6%+2.428.6%1033
85.4%
 Igel 1.5 64-bit2697+25−2454.6%−32.130.4%559
100.0%
 Igel 1.4 64-bit2634+20−2041.5%+63.722.8%958
 

Results matrix

Custom engine selection
#NameElo12345678910
1Igel 2.0.0 64-bit2921          
2Igel 1.8.2 64-bit 4CPU2862          
3Igel 1.9.0 64-bit 4CPU2856          
4Igel 1.5.1 64-bit 4CPU2830          
5Igel 1.9.0 64-bit2809          
6Igel 1.8.3 64-bit2795          
7Igel 1.8.2 64-bit2759          
8Igel 1.5.1 64-bit2713          
9Igel 1.5 64-bit2697          
10Igel 1.4 64-bit2634          
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
#NameElo12345678910
1Igel 2.0.0 64-bit2921 99.9100.0100.0100.098.7100.0100.0100.0100.0
2Igel 1.8.2 64-bit 4CPU28620.1 60.892.299.487.5100.0100.0100.0100.0
3Igel 1.9.0 64-bit 4CPU28560.039.2 89.999.385.7100.0100.0100.0100.0
4Igel 1.5.1 64-bit 4CPU28300.07.810.1 85.073.0100.0100.0100.0100.0
5Igel 1.9.0 64-bit28090.00.60.715.0 59.599.8100.0100.0100.0
6Igel 1.8.3 64-bit27951.312.514.327.040.5 73.692.795.899.8
7Igel 1.8.2 64-bit27590.00.00.00.00.226.4 100.0100.0100.0
8Igel 1.5.1 64-bit27130.00.00.00.00.07.30.0 85.4100.0
9Igel 1.5 64-bit26970.00.00.00.00.04.20.014.6 100.0
10Igel 1.4 64-bit26340.00.00.00.00.00.20.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678910
1Igel 2.0.0 64-bit2921 648701740192000
2Igel 1.8.2 64-bit 4CPU286264 6880006464064
3Igel 1.9.0 64-bit 4CPU285687688 0000000
4Igel 1.5.1 64-bit 4CPU2830000 0020913089209
5Igel 1.9.0 64-bit2809174000 055800118
6Igel 1.8.3 64-bit279500000 0000
7Igel 1.8.2 64-bit27591926402095580 957265896
8Igel 1.5.1 64-bit2713064013000957 877701
9Igel 1.5 64-bit26970008900265877 88
10Igel 1.4 64-bit26340640209118089670188 
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
#NameElo12345678910
1Igel 2.0.0 64-bit2921 6.77.90.016.30.012.00.00.00.0
2Igel 1.8.2 64-bit 4CPU28626.7 82.00.00.00.04.84.60.04.9
3Igel 1.9.0 64-bit 4CPU28567.982.0 0.00.00.00.00.00.00.0
4Igel 1.5.1 64-bit 4CPU28300.00.00.0 0.00.015.09.19.315.4
5Igel 1.9.0 64-bit280916.30.00.00.0 0.038.50.00.08.3
6Igel 1.8.3 64-bit27950.00.00.00.00.0 0.00.00.00.0
7Igel 1.8.2 64-bit275912.04.80.015.038.50.0 47.317.146.0
8Igel 1.5.1 64-bit27130.04.60.09.10.00.047.3 55.135.2
9Igel 1.5 64-bit26970.00.00.09.30.00.017.155.1 5.8
10Igel 1.4 64-bit26340.04.90.015.48.30.046.035.25.8 
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 46 common opponents

Custom engine selection
NameEloIgel
2.0.0
64-bit
Igel
1.8.2
64-bit
4CPU
Igel
1.9.0
64-bit
4CPU
Igel
1.5.1
64-bit
4CPU
Igel
1.9.0
64-bit
Igel
1.8.3
64-bit
Igel
1.8.2
64-bit
Igel
1.5.1
64-bit
Igel
1.5
64-bit
Igel
1.4
64-bit
SlowChess Blitz Classic 1.4 64-bit2964    28%
5/18
 25%
2/8
   
Atlas 3.91 64-bit292558%
18.5/32
42%
13.5/32
40%
22/55
       
MinkoChess 1.3 64-bit 4CPU2917 43%
12/28
43%
21/49
       
Monolith 1.0 64-bit 4CPU2912 39%
12.5/32
41%
23/56
       
Winter 0.5 64-bit2910       29%
9/31
 9%
3/32
Quazar 0.4 64-bit2901 34%
11/32
46%
25.5/55
       
Zurichess Neuchatel 64-bit2900 33%
10.5/32
41%
23/56
       
Daydreamer 2.0.0-pre2 64-bit2894 42%
13.5/32
42%
22.5/54
       
Cheese 2.0 64-bit 4CPU2890 53%
17/32
38%
21.5/56
       
Topple 0.7.2 64-bit288855%
17.5/32
   27%
7/26
 20%
6.5/32
   
Counter 3.3 64-bit287570%
22.5/32
   39%
11/28
 34%
11/32
   
Tornado 8.0 64-bit 4CPU2867 30%
9.5/32
54%
29.5/55
       
Gogobello 2.0 64-bit2852    45%
13.5/30
 25%
8/32
   
Onno 1.2.70 64-bit2845    48%
14.5/30
 38%
12/32
   
Zappa Mexico II 64-bit2844    48%
13/27
 47%
15/32
   
Tornado 8.0 64-bit2827    43%
11.5/27
 34%
11/32
   
Monolith 1.0 64-bit2823    50%
14/28
 41%
13/32
  14%
4.5/32
Cheese 2.1 64-bit280659%
19/32
   58%
14/24
 53%
17/32
   
Rhetoric 1.4.3 64-bit2805 67%
21.5/32
    33%
10.5/32
19%
6/32
 25%
8/32
RuyDos 1.1.9 64-bit2801   50%
20/40
   33%
9/27
  
NameEloIgel
2.0.0
64-bit
Igel
1.8.2
64-bit
4CPU
Igel
1.9.0
64-bit
4CPU
Igel
1.5.1
64-bit
4CPU
Igel
1.9.0
64-bit
Igel
1.8.3
64-bit
Igel
1.8.2
64-bit
Igel
1.5.1
64-bit
Igel
1.5
64-bit
Igel
1.4
64-bit
Octochess r5190 64-bit2778    52%
13.5/26
 38%
12/32
  22%
7/32
Bright 0.5c2771      50%
16/32
45%
14.5/32
 33%
10.5/32
Twisted Logic 20090922 64-bit2770      53%
17/32
38%
12/32
 33%
10.5/32
Cheese 2.0 64-bit2769       44%
14/32
 42%
13.5/32
Frenzee 3.5.19 64-bit2769   61%
24.5/40
  53%
17/32
  28%
9/32
Pawny 1.2 64-bit2768      45%
14.5/32
56%
18/32
 31%
10/32
tomitankChess 3.0 64-bit2766      52%
16.5/32
45%
14.5/32
 33%
10.5/32
Jonny 4.002763      48%
15.5/32
39%
12.5/32
 31%
10/32
BugChess2 1.9 64-bit2758      45%
14.5/32
  38%
12/32
Arminius 2018-12-23 64-bit2754      56%
18/32
38%
12/32
 22%
7/32
Chronos 1.9.9 64-bit2739   58%
23/40
  50%
16/32
  50%
16/32
Shield 2.1 64-bit2739      52%
16.5/32
33%
10.5/32
 25%
8/32
Chess Tiger 2007.12713      64%
20.5/32
60%
18.5/31
  
Devel 2.00002710   92%
30.5/33
  52%
16.5/32
42%
12.5/30
48%
27/56
42%
13.5/32
ECE 19.6.6.1 64-bit2703      66%
21/32
67%
21.5/32
  
Donna 4.1 64-bit2698      59%
19/32
52%
16.5/32
57%
32/56
 
Delfi 5.42682      77%
24.5/32
47%
15/32
40%
23/57
 
Djinn 1.021 64-bit2676      77%
24.5/32
56%
18/32
  
RedQueen 1.1.98 64-bit2670      48%
15.5/32
58%
18.5/32
  
ECE X3.5 64-bit2668       55%
17.5/32
54%
30.5/57
 
NameEloIgel
2.0.0
64-bit
Igel
1.8.2
64-bit
4CPU
Igel
1.9.0
64-bit
4CPU
Igel
1.5.1
64-bit
4CPU
Igel
1.9.0
64-bit
Igel
1.8.3
64-bit
Igel
1.8.2
64-bit
Igel
1.5.1
64-bit
Igel
1.5
64-bit
Igel
1.4
64-bit
Alaric 7072663       59%
19/32
57%
32.5/57
 
Asymptote 0.5 64-bit2655       58%
18.5/32
64%
36.5/57
 
Nebula 2.0 64-bit2654       66%
21/32
55%
31/56
 
Colossus 2008b2642       58%
18.5/32
61%
35/57
 
Cyrano 0.6b17 64-bit2641       66%
21/32
49%
24/49
 
E.T. Chess 13.01.082634       58%
18.5/32
59%
33.5/57
 
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 November 16, 2019