CCRL 40/4
Downloads and Statistics
June 15, 2019
Testing summary:
Total: 2'051'440 games
played by 2'369 programs
27518 CPU days (X2 4600+)

White wins: 797'129 (38.9%)
Black wins: 645'243 (31.5%)
Draws: 609'068 (29.7%)
White score: 53.7%

Custom engine selection

Comparing 7 engines!
7 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 Intel CPU.
Computed on June 15, 2019 with Bayeselo based on 2'051'440 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+
1Zeta Dva 0210 64-bit2023+19−1951.0%−5.014.3%1132 
81.2%
 Zeta Dva 0303 64-bit2007+30−3044.4%+44.417.3%428
75.0%
 Zeta Dva 0301 64-bit1995+19−1945.8%+31.721.1%1077
89.1%
 Zeta Dva 0305 64-bit1980+17−1746.0%+30.218.6%1363
70.3%
 Zeta Dva 0310 64-bit1973+19−1951.0%−8.816.4%1120
73.5%
 Zeta Dva 0204 64-bit1961+32−3166.6%−132.823.3%395
85.3%
 Zeta Dva 0306 64-bit1939+25−2542.0%+60.718.8%622
 

Results matrix

Custom engine selection
#NameElo1234567
1Zeta Dva 0210 64-bit2023       
2Zeta Dva 0303 64-bit2007       
3Zeta Dva 0301 64-bit1995       
4Zeta Dva 0305 64-bit1980       
5Zeta Dva 0310 64-bit1973       
6Zeta Dva 0204 64-bit1961       
7Zeta Dva 0306 64-bit1939       
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
1Zeta Dva 0210 64-bit2023 81.298.2100.0100.0100.0100.0
2Zeta Dva 0303 64-bit200718.8 75.094.497.298.1100.0
3Zeta Dva 0301 64-bit19951.825.0 89.195.096.6100.0
4Zeta Dva 0305 64-bit19800.05.610.9 70.384.899.6
5Zeta Dva 0310 64-bit19730.02.85.029.7 73.598.2
6Zeta Dva 0204 64-bit19610.01.93.415.226.5 85.3
7Zeta Dva 0306 64-bit19390.00.00.00.41.814.7 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567
1Zeta Dva 0210 64-bit2023 13785278931764156
2Zeta Dva 0303 64-bit2007137 130380370975
3Zeta Dva 0301 64-bit1995852130 13774990490
4Zeta Dva 0305 64-bit19807893801377 57564633
5Zeta Dva 0310 64-bit1973317370499575 72215
6Zeta Dva 0204 64-bit196164906472 72
7Zeta Dva 0306 64-bit19391567549063321572 
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
1Zeta Dva 0210 64-bit2023 8.838.631.614.14.28.9
2Zeta Dva 0303 64-bit20078.8 8.621.223.91.17.1
3Zeta Dva 0301 64-bit199538.68.6 56.422.70.028.8
4Zeta Dva 0305 64-bit198031.621.256.4 23.23.631.9
5Zeta Dva 0310 64-bit197314.123.922.723.2 4.812.3
6Zeta Dva 0204 64-bit19614.21.10.03.64.8 7.1
7Zeta Dva 0306 64-bit19398.97.128.831.912.37.1 
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 51 common opponents

Custom engine selection
NameEloZeta
Dva
0210
64-bit
Zeta
Dva
0303
64-bit
Zeta
Dva
0301
64-bit
Zeta
Dva
0305
64-bit
Zeta
Dva
0310
64-bit
Zeta
Dva
0204
64-bit
Zeta
Dva
0306
64-bit
GK 0.90 64-bit211032%
10/31
52%
15/29
     
Alf 1.09 64-bit2109 38%
11.5/30
 38%
12/32
   
BikJump 2.01 64-bit210442%
13/31
 44%
14/32
38%
12/32
32%
13/40
  
Wing 2.0a210140%
12.5/31
 35%
11/31
19%
6/32
   
Clarabit 1.00 64-bit2098  25%
8/32
39%
12.5/32
   
Napoleon 1.5.0 64-bit2081  53%
17/32
47%
14.5/31
   
Abbess 2018.02.072070 0%
0/1
    33%
10.5/32
Gunborg 1.35 64-bit2069 36%
10/28
  41%
16.5/40
  
Smash 1.0.3a 64-bit2062   47%
14.5/31
  50%
16/32
Little Wing 0.5.0 64-bit2061   28%
9/32
  34%
10.5/31
Matheus 2.3205956%
17.5/31
39%
11/28
55%
17.5/32
31%
10/32
  31%
10/32
ChessMind 0.822058  42%
13.5/32
28%
9/32
  42%
13.5/32
Galjoen 0.35.2 64-bit2056 55%
17.5/32
 23%
7.5/32
   
Monarch 1.72056 50%
0.5/1
50%
16/32
33%
10.5/32
  33%
10.5/32
Gerbil 0.2 64-bit204337%
11.5/31
100%
1/1
34%
11/32
39%
12/31
  39%
12.5/32
Vice 1.0 64-bit204175%
7.5/10
 45%
14/31
48%
15/31
50%
20/40
 32%
10/31
Abbess 2016.12.112039 38%
10.5/28
 45%
14.5/32
   
Jabba 1.0 64-bit2036  57%
8.5/15
53%
16/30
  31%
10/32
Cinnamon 2.0 64-bit2022 0%
0/1
44%
14/32
55%
17.5/32
  53%
17/32
Bestia 0.902021  45%
14/31
45%
14.5/32
44%
17.5/40
 39%
12.5/32
NameEloZeta
Dva
0210
64-bit
Zeta
Dva
0303
64-bit
Zeta
Dva
0301
64-bit
Zeta
Dva
0305
64-bit
Zeta
Dva
0310
64-bit
Zeta
Dva
0204
64-bit
Zeta
Dva
0306
64-bit
Soldat III 0.178 64-bit2020  37%
11/30
66%
21/32
   
Little Wing 0.4.0 64-bit2017 50%
14/28
 39%
12.5/32
   
Ecce 1.0 (rev. 508) 64-bit2016 48%
13/27
55%
17/31
42%
13.5/32
42%
17/40
  
DelphiMAX 2.9201357%
17/30
0%
0/1
     
Oberon 0.042013 55%
16/29
  46%
18.5/40
  
Freyr 1.068 64-bit2008 50%
14.5/29
  50%
20/40
  
Requiem 0.53200444%
13.5/31
50%
0.5/1
     
Ceibo 0.4 64-bit2001 54%
21/39
  40%
16/40
  
Small Potato 0.6.1199358%
18/31
 48%
15.5/32
47%
15/32
   
BigLion 2.23x198969%
22/32
0%
0/1
58%
18.5/32
66%
21/32
46%
18.5/40
  
Bubble 1.5198758%
18.5/32
0%
0/1
     
Armageddon 2.3081986  38%
12/32
 41%
16.5/40
  
Snowy 0.2 64-bit1986   67%
21.5/32
66%
26.5/40
  
Faile 1.4.4197750%
16/32
 44%
14/32
52%
16.5/32
   
La Dame Blanche 2.0c1968 0%
0/1
  51%
20.5/40
55%
17.5/32
 
SSEChessII 2.05 DC196769%
21.5/31
 61%
19.5/32
50%
16/32
   
Marvin 1.3.0196653%
17/32
 61%
19.5/32
    
Cilian 4.141961  34%
11/32
56%
18/32
   
ALChess 1.841960 50%
0.5/1
 47%
15/32
55%
22/40
  
Etude 0.1.2195570%
22.5/32
 58%
17.5/30
 49%
19.5/40
  
NameEloZeta
Dva
0210
64-bit
Zeta
Dva
0303
64-bit
Zeta
Dva
0301
64-bit
Zeta
Dva
0305
64-bit
Zeta
Dva
0310
64-bit
Zeta
Dva
0204
64-bit
Zeta
Dva
0306
64-bit
Micro-Max 4.8195369%
22/32
 61%
19/31
58%
17.5/30
   
Rival 1.18195364%
20.5/32
 56%
18/32
62%
20/32
   
JanWillem 1.13195169%
22/32
 62%
20/32
80%
25.5/32
   
BibiChess 0.5192756%
18/32
100%
1/1
   50%
16/32
 
Heracles 0.6.16192256%
18/32
  58%
18.5/32
49%
19.5/40
  
SamChess1919   61%
19.5/32
 53%
17/32
 
Dabbaba 7.491906 100%
1/1
  62%
25/40
  
Sayuri 2018.03.06 64-bit1838 0%
0/1
  62%
25/40
 69%
22/32
RataAeroespacial 0.2.11819 0%
0/1
  71%
28.5/40
  
ChessterfieldCL i5a1800     73%
23.5/32
51%
20.5/40
Embracer 1.121785 100%
1/1
   88%
3.5/4
 
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%

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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:
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  Recalibrate current list to reference using all common engines


Created in 2005-2013 by CCRL team
Last games added on June 15, 2019