CCRL 40/40
Downloads and Statistics
October 12, 2019
Testing summary:
Total: 1'090'583 games
played by 2'551 programs
149018 CPU days (X2 4600+)

White wins: 378'348 (34.7%)
Black wins: 281'291 (25.8%)
Draws: 430'944 (39.5%)
White score: 54.4%

Custom engine selection

Comparing 4 engines!
4 selected engines played 0 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 Intel CPU.
Computed on October 12, 2019 with Bayeselo based on 1'090'583 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+
 KnightX 1.95 64-bit2449+70−6858.1%−55.733.8%68 
99.6%
1KnightX 1.94 64-bit2350+22−2249.3%+3.726.2%734
97.7%
 KnightX 1.93 64-bit2319+20−2051.6%−12.220.3%930
58.9%
 KnightX 1.922316+19−1948.6%+10.527.9%1046
 

Results matrix

Custom engine selection
#NameElo1234
1KnightX 1.95 64-bit2449    
2KnightX 1.94 64-bit2350    
3KnightX 1.93 64-bit2319    
4KnightX 1.922316    
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
#NameElo1234
1KnightX 1.95 64-bit2449 99.6100.0100.0
2KnightX 1.94 64-bit23500.4 97.798.8
3KnightX 1.93 64-bit23190.02.3 58.9
4KnightX 1.9223160.01.241.1 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1KnightX 1.95 64-bit2449 985455
2KnightX 1.94 64-bit235098 514111
3KnightX 1.93 64-bit231954514 387
4KnightX 1.92231655111387 
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
#NameElo1234
1KnightX 1.95 64-bit2449 12.25.44.9
2KnightX 1.94 64-bit235012.2 30.96.2
3KnightX 1.93 64-bit23195.430.9 19.6
4KnightX 1.9223164.96.219.6 
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 45 common opponents

Custom engine selection
NameEloKnightX
1.95
64-bit
KnightX
1.94
64-bit
KnightX
1.93
64-bit
KnightX
1.92
Tunguska 1.1 64-bit244050%
3/6
42%
16/38
  
Arasan 10.12439  35%
3.5/10
38%
1.5/4
Snitch 1.6.2 32-bit2437 37%
12.5/34
30%
3/10
100%
2/2
RomiChess P3n 64-bit241642%
2.5/6
43%
16.5/38
61%
19.5/32
56%
5/9
Dragon 4.62405  40%
4/10
25%
1/4
KnightDreamer 3.3240575%
1.5/2
 25%
1/4
 
Simplex 0.9.8 64-bit2400 38%
13/34
20%
2/10
 
Myrddin 0.87 64-bit239675%
1.5/2
 42%
13.5/32
83%
2.5/3
Popochin 4.1 64-bit2392 25%
1/4
 50%
6/12
Ares GB 64-bit238750%
1/2
12%
0.5/4
39%
15/38
 
Galjoen 0.39 64-bit238658%
3.5/6
51%
17.5/34
  
Comet B682384  50%
5/10
46%
5.5/12
Zevra 2.1.1 r216 64-bit237975%
1.5/2
25%
1/4
38%
1.5/4
 
Thor's Hammer 2.28 32-bit237875%
1.5/2
 30%
3/10
67%
2/3
Isa 2.0.83 64-bit237358%
3.5/6
25%
1/4
  
Jumbo 0.5.3 64-bit2371  40%
4/10
17%
1/6
Waxman 2017236950%
2/4
62%
2.5/4
 38%
5/13
Plisk 0.2.7d 64-bit236175%
1.5/2
  33%
2/6
Isa 2.0.64 64-bit2360 46%
15.5/34
44%
14/32
42%
5/12
Flux 2.2.12357 38%
13/34
 50%
1/2
NameEloKnightX
1.95
64-bit
KnightX
1.94
64-bit
KnightX
1.93
64-bit
KnightX
1.92
Gibbon 2.60a 64-bit2338  45%
4.5/10
50%
1/2
FireFly 2.7.2 64-bit233125%
1/4
12%
0.5/4
 35%
3.5/10
Chezzz 1.0.32322  40%
12/30
75%
3/4
Googleplex Starthinker 1.4 64-bit2320100%
2/2
54%
20.5/38
46%
16.5/36
 
EveAnn 1.722319  39%
11/28
56%
20/36
EveAnn 1.71a2318  62%
2.5/4
50%
1/2
Ant 2006-F2303  48%
14.5/30
69%
5.5/8
Natwarlal 0.142302  55%
5.5/10
42%
5/12
Zeus 1.292298  55%
5.5/10
56%
4.5/8
CT800 1.34 64-bit2294 66%
22.5/34
60%
21.5/36
 
Invictus r228 64-bit2292  53%
16/30
75%
4.5/6
Matilde 2008 64-bit2290  55%
5.5/10
100%
2/2
Chaturanga 2.4.32289  55%
5.5/10
75%
1.5/2
AliChess 4.252284  65%
19.5/30
50%
1/2
Barbarossa 0.5.0 64-bit2276 47%
16/34
61%
23/38
 
Chispa 4.0.32273  57%
17/30
75%
1.5/2
Ayito 0.2.9942265  55%
5.5/10
70%
7/10
Beowulf 2.4a 64-bit2249  57%
17/30
75%
1.5/2
SpaceDog 0.97.7 64-bit2243 81%
27.5/34
0%
0/2
 
Joker2 0.7.7 64-bit2221  75%
1.5/2
44%
3.5/8
NameEloKnightX
1.95
64-bit
KnightX
1.94
64-bit
KnightX
1.93
64-bit
KnightX
1.92
Madeleine 0.22213 81%
27.5/34
70%
21/30
 
Baislicka 1.0 64-bit2207  25%
0.5/2
45%
4.5/10
Dorpsgek Eve's Temptation 64-bit2200 78%
26.5/34
50%
1/2
 
NG-Play 9.87 64-bit2187  50%
1/2
75%
7.5/10
Clever Girl r185 64-bit2166 100%
4/4
100%
2/2
 
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
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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

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Match length (Minimum number of games to highlight with color):

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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on October 12, 2019