CCRL 40/40
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 1'092'341 games
played by 2'556 programs
149261 CPU days (X2 4600+)

White wins: 378'952 (34.7%)
Black wins: 281'710 (25.8%)
Draws: 431'679 (39.5%)
White score: 54.5%

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 19, 2019 with Bayeselo based on 1'092'341 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+
1Petir 4.392591+20−2047.8%+11.938.2%830 
81.5%
 Petir 4.9999992580+16−1548.8%+6.336.6%1387
73.7%
 Petir 3.99d2568+31−3148.9%+4.835.0%357
92.7%
 Petir 3.952535+32−3248.3%+12.339.1%302
 

Results matrix

Custom engine selection
#NameElo1234
1Petir 4.392591    
2Petir 4.9999992580    
3Petir 3.99d2568    
4Petir 3.952535    
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
1Petir 4.392591 81.588.799.8
2Petir 4.999999258018.5 73.799.2
3Petir 3.99d256811.326.3 92.7
4Petir 3.9525350.20.87.3 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1Petir 4.392591 29514551
2Petir 4.9999992580295 174168
3Petir 3.99d2568145174 146
4Petir 3.95253551168146 
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
1Petir 4.392591 13.312.24.5
2Petir 4.999999258013.3 10.09.9
3Petir 3.99d256812.210.0 22.2
4Petir 3.9525354.59.922.2 
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 71 common opponents

Custom engine selection
NameEloPetir
4.39
Petir
4.999999
Petir
3.99d
Petir
3.95
Fruit 2.3.1278633%
1/3
0%
0/2
  
Strelka 1.8 32-bit277050%
1/2
0%
0/1
  
Toga II 1.3.427680%
0/3
10%
0.5/5
  
Hiarcs X54 Hypermodern 32-bit2756 0%
0/2
 0%
0/2
Spike 1.2 Turin274612%
0.5/4
0%
0/3
19%
3.5/18
0%
0/3
Hiarcs X54 32-bit27310%
0/2
  0%
0/1
Glaurung 2 epsilon/5 32-bit269738%
1.5/4
50%
1/2
  
Fruit 2.1269525%
0.5/2
0%
0/2
 33%
2/6
Scorpio 1.9266950%
0.5/1
 25%
0.5/2
38%
1.5/4
Glaurung 1.2.1 Crusader 32-bit2664 25%
0.5/2
42%
2.5/6
 
Scorpio 1.91266238%
1.5/4
 50%
1/2
 
Alaric 707266150%
1/2
40%
14/35
  
CM10th Lazarus265850%
1/2
 58%
3.5/6
 
CM9000 Enforcer2658 50%
1/2
0%
0/2
 
Glaurung 1.2.1 32-bit2655  40%
9.5/24
25%
0.5/2
CM10th Paralyse2652 38%
1.5/4
 50%
2/4
Movei 00.8.4382647100%
1/1
7%
0.5/7
  
CM10th Magic II2644 50%
1/2
 75%
1.5/2
Scorpio 1.82641  50%
1/2
33%
1/3
CM10th Guardian263930%
3/10
25%
0.5/2
  
NameEloPetir
4.39
Petir
4.999999
Petir
3.99d
Petir
3.95
Slow Chess Blitz WV2.1263725%
1/4
30%
1.5/5
25%
1/4
0%
0/1
CM10th Default2633 38%
3/8
 42%
2.5/6
Chess Tiger 2007 Gambit262950%
1.5/3
0%
0/2
 50%
1/2
WildCat 7262550%
2/4
50%
1/2
42%
8/19
 
Ruffian 2.1.02624 53%
9.5/18
25%
0.5/2
50%
1/2
BugChess2 1.6.3 32-bit262143%
13/30
54%
13/24
  
ProDeo 1.2262050%
2/4
 42%
17.5/42
 
Pharaon 3.5.12614 30%
1.5/5
38%
3/8
 
Sloppy 0.2.2 64-bit261156%
13.5/24
69%
9/13
  
Philou 3.60260848%
11.5/24
75%
1.5/2
  
Alaric 0702b2606 50%
2.5/5
 75%
1.5/2
Donna 4.0 64-bit2606 50%
1/2
 25%
2/8
Sloppy 0.2.2 32-bit2600 48%
15/31
 45%
4.5/10
Aristarch 4.502596 50%
3/6
100%
2/2
 
Pseudo 0.7c2592100%
2/2
50%
3.5/7
75%
3/4
33%
1/3
The Baron 1.8.1259220%
1/5
38%
3/8
  
Amyan 1.72259150%
5/10
75%
3/4
  
Hamsters 0.6259062%
20/32
57%
8/14
  
Rotor 0.6259055%
16.5/30
33%
3/9
  
ProDeo 1.12588  50%
1.5/3
50%
0.5/1
NameEloPetir
4.39
Petir
4.999999
Petir
3.99d
Petir
3.95
Zappa 1.1 32-bit2582 75%
1.5/2
 50%
1/2
Frenzee 3.0 32-bit257848%
9.5/20
 60%
12/20
 
Jonny 2.83 32-bit257775%
1.5/2
 12%
0.5/4
25%
0.5/2
Pharaon 3.32575  100%
1/1
50%
1.5/3
ProDeo 1.1 Silver2574 100%
2/2
 58%
3.5/6
Frenzee 2.02565 75%
1.5/2
54%
7/13
75%
1.5/2
Cheng3 1.06 32-bit2564 75%
1.5/2
 40%
4/10
SOS 5.1256475%
3/4
42%
7.5/18
38%
1.5/4
50%
0.5/1
SmarThink 0.17a2561 0%
0/1
 50%
2/4
Francesca MAD 0.19255850%
12/24
25%
0.5/2
  
The Baron 1.7.02547  38%
1.5/4
54%
7/13
Thinker 4.7a2545  50%
2/4
45%
8.5/19
Ufim 8.02254450%
1/2
56%
19/34
58%
14/24
 
Booot 4.13.02528 50%
1/2
100%
2/2
50%
1/2
Movei 00.8.403252650%
1/2
 50%
1/2
 
E.T. Chess 18.11.05252050%
1/2
  75%
3/4
Twisted Logic 0.065e352520  75%
1.5/2
50%
2/4
Crafty 20.14 32-bit2517  50%
1/2
75%
1.5/2
AnMon 5.602515 25%
1/4
50%
1/2
 
Crafty 20.13 32-bit2508 25%
0.5/2
 50%
4/8
NameEloPetir
4.39
Petir
4.999999
Petir
3.99d
Petir
3.95
Little Goliath Evolution 3.122507100%
2/2
67%
4/6
75%
1.5/2
50%
3/6
Movei 00.8.3582491  75%
1.5/2
50%
9/18
Booot 4.10.12487 75%
3/4
 38%
1.5/4
Booot 4.12.02485  50%
1/2
50%
1/2
Trace 1.362483  50%
1/2
38%
1.5/4
Amyan 1.5972473  75%
1.5/2
62%
7.5/12
Trace 1.37a2472 75%
3/4
50%
1/2
 
Quark 2.352469 75%
1.5/2
62%
2.5/4
73%
11/15
Booot 4.11.12458  75%
1.5/2
50%
1/2
Arasan 9.5245185%
8.5/10
 50%
2/4
 
Muse 0.899b2417  100%
2/2
50%
0.5/1
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 19, 2019