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 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 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+
1Petir 4.392590+20−2047.8%+12.038.2%830 
81.5%
 Petir 4.9999992579+15−1548.8%+6.436.6%1387
73.5%
 Petir 3.99d2568+31−3148.9%+4.035.0%357
85.7%
 Petir 3.952543+31−3150.6%−2.738.5%322
 

Results matrix

Custom engine selection
#NameElo1234
1Petir 4.392590    
2Petir 4.9999992579    
3Petir 3.99d2568    
4Petir 3.952543    
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 4.392590 81.588.699.2
2Petir 4.999999257918.5 73.597.4
3Petir 3.99d256811.426.5 85.7
4Petir 3.9525430.82.614.3 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1Petir 4.392590 29514551
2Petir 4.9999992579295 174168
3Petir 3.99d2568145174 146
4Petir 3.95254351168146 
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 4.392590 13.312.24.4
2Petir 4.999999257913.3 10.09.8
3Petir 3.99d256812.210.0 21.5
4Petir 3.9525434.49.821.5 
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-bit276950%
1/2
0%
0/1
  
Toga II 1.3.427670%
0/3
10%
0.5/5
  
Hiarcs X54 Hypermodern 32-bit2755 0%
0/2
 0%
0/2
Spike 1.2 Turin274512%
0.5/4
0%
0/3
19%
3.5/18
0%
0/3
Hiarcs X54 32-bit27300%
0/2
  0%
0/1
Glaurung 2 epsilon/5 32-bit269638%
1.5/4
50%
1/2
  
Fruit 2.1269525%
0.5/2
0%
0/2
 33%
2/6
Scorpio 1.9266850%
0.5/1
 25%
0.5/2
38%
1.5/4
Glaurung 1.2.1 Crusader 32-bit2663 25%
0.5/2
42%
2.5/6
 
Alaric 707266150%
1/2
40%
14/35
  
Scorpio 1.91266138%
1.5/4
 50%
1/2
 
CM10th Lazarus265950%
1/2
 58%
3.5/6
 
CM9000 Enforcer2657 50%
1/2
0%
0/2
 
Glaurung 1.2.1 32-bit2655  40%
9.5/24
25%
0.5/2
CM10th Paralyse2651 38%
1.5/4
 50%
2/4
Movei 00.8.4382646100%
1/1
7%
0.5/7
  
CM10th Magic II2644 50%
1/2
 75%
1.5/2
Scorpio 1.82640  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 Default2631 38%
3/8
 42%
2.5/6
Chess Tiger 2007 Gambit262850%
1.5/3
0%
0/2
 50%
1/2
WildCat 7262450%
2/4
50%
1/2
42%
8/19
 
Ruffian 2.1.02623 53%
9.5/18
25%
0.5/2
50%
1/2
BugChess2 1.6.3 32-bit262043%
13/30
54%
13/24
  
ProDeo 1.2261950%
2/4
 42%
17.5/42
 
Pharaon 3.5.12613 30%
1.5/5
38%
3/8
 
Sloppy 0.2.2 64-bit261156%
13.5/24
69%
9/13
  
Philou 3.60260748%
11.5/24
75%
1.5/2
  
Alaric 0702b2605 50%
2.5/5
 75%
1.5/2
Donna 4.0 64-bit2605 50%
1/2
 25%
2/8
Sloppy 0.2.2 32-bit2599 48%
15/31
 45%
4.5/10
Aristarch 4.502595 50%
3/6
100%
2/2
 
Pseudo 0.7c2591100%
2/2
50%
3.5/7
75%
3/4
33%
1/3
The Baron 1.8.1259120%
1/5
38%
3/8
  
Amyan 1.72259050%
5/10
75%
3/4
  
Hamsters 0.6258962%
20/32
57%
8/14
  
Rotor 0.6258955%
16.5/30
33%
3/9
  
ProDeo 1.12587  50%
1.5/3
50%
0.5/1
NameEloPetir
4.39
Petir
4.999999
Petir
3.99d
Petir
3.95
Zappa 1.1 32-bit2581 75%
1.5/2
 50%
1/2
Frenzee 3.0 32-bit257748%
9.5/20
 60%
12/20
 
Jonny 2.83 32-bit257675%
1.5/2
 12%
0.5/4
25%
0.5/2
Pharaon 3.32575  100%
1/1
50%
1.5/3
ProDeo 1.1 Silver2573 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-bit2563 75%
1.5/2
 40%
4/10
SOS 5.1256375%
3/4
42%
7.5/18
38%
1.5/4
50%
0.5/1
Francesca MAD 0.19255750%
12/24
25%
0.5/2
  
SmarThink 0.17a2556 0%
0/1
 50%
2/4
The Baron 1.7.02548  38%
1.5/4
54%
7/13
Thinker 4.7a2545  50%
2/4
45%
8.5/19
Ufim 8.02254350%
1/2
56%
19/34
58%
14/24
 
Booot 4.13.02527 50%
1/2
100%
2/2
50%
1/2
Movei 00.8.403252550%
1/2
 50%
1/2
 
E.T. Chess 18.11.05251950%
1/2
  75%
3/4
Twisted Logic 0.065e352519  75%
1.5/2
50%
2/4
Crafty 20.14 32-bit2516  50%
1/2
75%
1.5/2
AnMon 5.602514 25%
1/4
50%
1/2
 
Crafty 20.13 32-bit2509 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 00.8.3582488  75%
1.5/2
50%
9/18
Booot 4.10.12486 75%
3/4
 38%
1.5/4
Booot 4.12.02484  50%
1/2
50%
1/2
Trace 1.362482  50%
1/2
38%
1.5/4
Amyan 1.5972473  75%
1.5/2
62%
7.5/12
Trace 1.37a2471 75%
3/4
50%
1/2
 
Quark 2.352468 75%
1.5/2
62%
2.5/4
73%
11/15
Booot 4.11.12462  75%
1.5/2
50%
1/2
Arasan 9.5244585%
8.5/10
 50%
2/4
 
Muse 0.899b2416  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 December 10, 2019