CCRL 40/40
Downloads and Statistics
December 10, 2019
Testing summary:
Total: 1'104'091 games
played by 2'573 programs
150964 CPU days (X2 4600+)

White wins: 382'628 (34.7%)
Black wins: 284'145 (25.7%)
Draws: 437'318 (39.6%)
White score: 54.5%

Custom engine selection

Comparing 6 engines!
6 selected engines played 34 games with each other

CCRL 40/40 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 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern CPU.
Computed on December 10, 2019 with Bayeselo based on 1'104'091 games

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+
 Embla 2.0.7 64-bit2175+115−11942.3%+62.823.1%26 
52.9%
1Embla 2.0.0 64-bit2171+19−1947.1%+21.626.6%1006
63.1%
 Embla 1.0.3 64-bit2166+19−1950.6%−2.722.3%1004
100.0%
 Embla 2.0.5 64-bit2120+18−1847.2%+19.723.7%1127
73.5%
 Embla 1.0.2 64-bit2110+25−2644.5%+40.428.6%539
100.0%
 Embla 1.0.1 64-bit2048+20−2037.6%+93.522.3%939
 

Results matrix

Custom engine selection
#NameElo123456
1Embla 2.0.7 64-bit2175      
2Embla 2.0.0 64-bit2171      
3Embla 1.0.3 64-bit2166    19 − 15
+8−4=22
−23
 
4Embla 2.0.5 64-bit2120      
5Embla 1.0.2 64-bit2110  15 − 19
+4−8=22
+23
   
6Embla 1.0.1 64-bit2048      
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
#NameElo123456
1Embla 2.0.7 64-bit2175 52.955.982.286.098.3
2Embla 2.0.0 64-bit217147.1 63.1100.0100.0100.0
3Embla 1.0.3 64-bit216644.136.9 100.0100.0100.0
4Embla 2.0.5 64-bit212017.80.00.0 73.5100.0
5Embla 1.0.2 64-bit211014.00.00.026.5 100.0
6Embla 1.0.1 64-bit20481.70.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456
1Embla 2.0.7 64-bit2175 3426642218
2Embla 2.0.0 64-bit217134 5441232364588
3Embla 1.0.3 64-bit216626544 536268452
4Embla 2.0.5 64-bit2120641232536 178554
5Embla 1.0.2 64-bit211022364268178 162
6Embla 1.0.1 64-bit204818588452554162 
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
#NameElo123456
1Embla 2.0.7 64-bit2175 3.32.55.63.91.9
2Embla 2.0.0 64-bit21713.3 27.157.823.630.2
3Embla 1.0.3 64-bit21662.527.1 25.217.423.3
4Embla 2.0.5 64-bit21205.657.825.2 10.726.8
5Embla 1.0.2 64-bit21103.923.617.410.7 11.0
6Embla 1.0.1 64-bit20481.930.223.326.811.0 
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 52 common opponents

Custom engine selection
NameEloEmbla
2.0.7
64-bit
Embla
2.0.0
64-bit
Embla
1.0.3
64-bit
Embla
2.0.5
64-bit
Embla
1.0.2
64-bit
Embla
1.0.1
64-bit
Isa 2.0.64 64-bit2361  19%
6.5/34
25%
8.5/34
  
Napoleon 1.8 64-bit2338 22%
7/32
 18%
6/34
  
FireFly 2.7.2 64-bit2329 40%
4/10
 38%
1.5/4
  
Googleplex Starthinker 1.4 64-bit2320 34%
11.5/34
 22%
7.5/34
  
Sungorus 1.4 64-bit2298 15%
1.5/10
   24%
9.5/40
CT800 1.34 64-bit229625%
0.5/2
  25%
1/4
  
Invictus r228 64-bit22900%
0/2
30%
9/30
33%
2/6
22%
8/36
  
Galjoen 0.38 64-bit2283  29%
10/34
 25%
1.5/6
 
Barbarossa 0.5.0 64-bit227575%
1.5/2
  50%
1/2
  
CT800 1.32 64-bit2263 43%
13/30
 35%
12/34
  
CT800 1.30 64-bit2255  38%
13.5/36
 44%
7/16
 
Hedgehog 1.99 64-bit22400%
0/2
  58%
3.5/6
  
SpaceDog 0.97.7 64-bit223875%
1.5/2
  50%
1/2
  
Tiny Chess 1.46 64-bit2224 50%
16/32
 38%
13/34
21%
2.5/12
 
Robocide 20170718 64-bit2220 47%
15/32
44%
14/32
22%
8/36
0%
0/2
21%
10/48
Joker2 0.7.7 64-bit221750%
1/2
45%
4.5/10
 17%
1/6
45%
4.5/10
44%
3.5/8
Robocide 0.4 64-bit221750%
1/2
  0%
0/2
  
AliChess 4.162213 40%
4/10
  38%
3/8
 
Weini 0.0.24 64-bit2212 44%
8/18
 45%
14.5/32
  
Baislicka 1.0 64-bit2205 38%
4.5/12
 39%
15.5/40
69%
5.5/8
 
NameEloEmbla
2.0.7
64-bit
Embla
2.0.0
64-bit
Embla
1.0.3
64-bit
Embla
2.0.5
64-bit
Embla
1.0.2
64-bit
Embla
1.0.1
64-bit
ChessAlex 2.0r42203 60%
6/10
  31%
2.5/8
 
Dorpsgek Eve's Temptation 64-bit21980%
0/2
51%
17.5/34
46%
16.5/36
46%
18.5/40
25%
0.5/2
34%
17/50
GopherCheck 0.2.3 64-bit2190 54%
18.5/34
0%
0/2
40%
13.5/34
50%
1/2
 
Zevra 1.8.2 r612 64-bit2189 50%
5/10
  56%
4.5/8
 
NG-Play 9.87 64-bit2187 54%
18.5/34
49%
16.5/34
48%
19/40
25%
0.5/2
28%
11/40
Lime 662177 55%
5.5/10
 38%
13/34
  
Soldat III 0.187 64-bit217750%
1/2
75%
1.5/2
25%
0.5/2
25%
0.5/2
30%
3/10
 
Clever Girl r160 64-bit2174 35%
3.5/10
 53%
18/34
 62%
2.5/4
Clever Girl r185 64-bit2169 0%
0/2
50%
1/2
42%
2.5/6
50%
6/12
 
Kurt 0.9.2.2 64-bit2169 35%
3.5/10
  69%
5.5/8
 
RamJet 0.142169100%
2/2
47%
15/32
25%
0.5/2
42%
15/36
62%
2.5/4
24%
9.5/40
NagaSkaki 4.002162 40%
4/10
  38%
3/8
 
Chesley r323 64-bit2159 50%
5/10
  25%
2/8
 
Barbarossa 0.4.0 64-bit2133 37%
12.5/34
50%
1/2
34%
11.5/34
54%
6.5/12
23%
10/44
Napoleon 1.7 64-bit2133    62%
5/8
33%
13/39
Prophet3 20180811 64-bit212975%
1.5/2
62%
21/34
55%
16.5/30
50%
16/32
  
Tunguska 1.0 64-bit2129 47%
15/32
0%
0/2
 42%
5/12
62%
2.5/4
Cinnamon 2.2a 64-bit211050%
1/2
  56%
20/36
  
King's Out 0.2.42 64-bit2100 60%
6/10
 51%
17.5/34
  
Prophet3 20170909 64-bit2099  25%
0.5/2
 48%
13.5/28
38%
1.5/4
NameEloEmbla
2.0.7
64-bit
Embla
2.0.0
64-bit
Embla
1.0.3
64-bit
Embla
2.0.5
64-bit
Embla
1.0.2
64-bit
Embla
1.0.1
64-bit
Hedgehog 1.82 64-bit2096  54%
18.5/34
 64%
9/14
 
Hedgehog 1.81 64-bit2090 80%
8/10
   50%
5/10
AdroitChess 0.42081 50%
5/10
  47%
14/30
 
Jabba 1.0 64-bit2077 48%
15.5/32
56%
18/32
 38%
3/8
 
Little Wing 0.5.0 64-bit2067 71%
8.5/12
76%
32/42
   
BigLion 2.23x2066 70%
22.5/32
54%
18.5/34
49%
21.5/44
 56%
22.5/40
Matant 5.042066 67%
20/30
 53%
18/34
  
Monarch 1.72043  70%
22.5/32
  32%
13/40
Cinnamon 2.0 64-bit2035    25%
0.5/2
50%
2/4
Abbess 2018.02.072032  75%
1.5/2
 75%
1.5/2
62%
7.5/12
Wuttang r2 64-bit2024 70%
21/30
62%
20/32
62%
20/32
100%
2/2
75%
9/12
Abbess 2016.12.112017    62%
5/8
75%
3/4
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%

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:
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  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 December 10, 2019