CCRL 40/4
Downloads and Statistics
May 19, 2019
Testing summary:
Total: 2'021'465 games
played by 2'345 programs
27203 CPU days (X2 4600+)

White wins: 786'446 (38.9%)
Black wins: 635'703 (31.4%)
Draws: 599'316 (29.6%)
White score: 53.7%

Custom engine selection

Comparing 4 engines!
4 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 May 19, 2019 with Bayeselo based on 2'021'465 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+
1Caligula 0.9g2601+19−1959.4%−65.827.3%959 
90.7%
 Caligula 0.9f2555+66−6654.7%−24.532.0%75
92.0%
 Caligula 0.82507+17−1758.7%−62.023.5%1257
100.0%
 Caligula 0.7b2420+16−1648.3%+14.023.7%1416
 

Results matrix

Custom engine selection
#NameElo1234
1Caligula 0.9g2601    
2Caligula 0.9f2555    
3Caligula 0.82507    
4Caligula 0.7b2420    
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
1Caligula 0.9g2601 90.7100.0100.0
2Caligula 0.9f25559.3 92.0100.0
3Caligula 0.825070.08.0 100.0
4Caligula 0.7b24200.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1Caligula 0.9g2601 2256115
2Caligula 0.9f2555225 321
3Caligula 0.8250763 1388
4Caligula 0.7b2420115211388 
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
1Caligula 0.9g2601 21.80.34.8
2Caligula 0.9f255521.8 0.21.4
3Caligula 0.825070.30.2 51.9
4Caligula 0.7b24204.81.451.9 
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 42 common opponents

Custom engine selection
NameEloCaligula
0.9g
Caligula
0.9f
Caligula
0.8
Caligula
0.7b
nanoSzachy 4.1 64-bit255961%
19.5/32
40%
2/5
  
Brutus 8.05 64-bit255552%
32/61
50%
2.5/5
  
Ghost 3.1 64-bit255269%
22/32
50%
2.5/5
 100%
1/1
Rebel Century254756%
18/32
50%
2.5/5
  
Dorky 4.8 64-bit254544%
14/32
80%
4/5
  
Betsabe II 1.84254162%
20/32
30%
1.5/5
  
AnMon 5.75253953%
34/64
70%
3.5/5
  
Ufim 8.02253959%
37.5/64
30%
1.5/5
  
Pupsi2 0.09253856%
18/32
 0%
0/1
 
Hermann 2.8 64-bit253156%
35/63
70%
3.5/5
  
JikChess 0.02 64-bit252359%
38/64
30%
1.5/5
  
Orion 0.5 64-bit251355%
35.5/64
50%
2.5/5
 31%
14/45
Green Light Chess 3.01.2.2250547%
15/32
70%
3.5/5
100%
1/1
 
Little Goliath Evolution 3.12250472%
23/32
60%
3/5
  
Yace 0.99.87250364%
40.5/63
80%
4/5
 100%
1/1
Trace 1.37a250177%
47.5/62
60%
3/5
  
Gothmog 1.0b102478  0%
0/1
0%
0/1
BBChess 1.3b 64-bit2475  42%
13/31
44%
12/27
Mephisto Gideon Professional2475  53%
17/32
53%
17/32
Cerebro 3.03d2471  73%
23.5/32
41%
13/32
NameEloCaligula
0.9g
Caligula
0.9f
Caligula
0.8
Caligula
0.7b
Kiwi 0.6d 64-bit2469  44%
14/32
43%
11.5/27
Xpdnt 0910072467  50%
0.5/1
53%
15.5/29
Anatoli 0.35k2455  62%
20/32
45%
26.5/59
LittleThought 1.052 64-bit2454  62%
20/32
39%
13/33
Matacz 1.42446  72%
23/32
33%
1/3
Lozza 1.18 64-bit2442  65%
21.5/33
0%
0/1
SpiderChess 0706032439  58%
22/38
56%
18/32
MadChess 2.2 64-bit2436  61%
19.5/32
39%
12.5/32
Abrok 5.02434  59%
22.5/38
31%
10/32
LambChop 10.992434  55%
21.5/39
50%
15.5/31
King of Kings 2.562433  54%
21/39
33%
1/3
Nemeton 1.82432  61%
19.5/32
47%
15/32
Shallow 2 rev8 64-bit2429  58%
23/40
55%
31.5/57
Eeyore 1.52 64-bit2426  59%
23/39
58%
18.5/32
Gaia 3.5 64-bit2425  57%
21.5/38
56%
15/27
Nejmet 3.072425  58%
22.5/39
50%
16/32
Quark 2.352423  58%
23/40
41%
13/32
Gromit 3.822422  74%
29.5/40
49%
28.5/58
Dragon 4.62418  72%
23/32
48%
13/27
RomiChess P3n 64-bit2415  61%
19.5/32
51%
26.5/52
NameEloCaligula
0.9g
Caligula
0.9f
Caligula
0.8
Caligula
0.7b
Teki 1 64-bit2406  0%
0/1
50%
25/50
Terra 3.42368  0%
0/1
50%
1/2
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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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on May 19, 2019