CCRL 40/40
Downloads and Statistics
July 7, 2018
Testing summary:
Total: 860'187 games
played by 2'216 programs
120427 CPU days (X2 4600+)

White wins: 295'917 (34.4%)
Black wins: 218'884 (25.4%)
Draws: 345'386 (40.2%)
White score: 54.5%

Custom engine selection

Comparing 11 engines!
11 selected engines played 70 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 July 7, 2018 with Bayeselo based on 860'187 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+−
1Amoeba 2.8 64-bit2922+18−1843.8%+39.843.4%1014 
73.4%
 Amoeba 2.6 64-bit2913+21−2150.1%−1.348.6%681
67.7%
 Amoeba 2.7 64-bit2907+16−1641.1%+60.041.2%1310
99.1%
 Amoeba 2.5 64-bit2873+23−2349.6%−0.844.5%566
100.0%
 Amoeba 2.4 64-bit2811+26−2650.1%−3.748.9%436
100.0%
 Amoeba 2.3 64-bit2745+28−2853.9%−24.340.5%402
87.4%
 Amoeba 2.0 64-bit2723+27−2845.7%+25.843.0%414
74.3%
 Amoeba 2.1 64-bit2709+29−2948.7%+10.439.0%374
57.1%
 Amoeba 1.4 64-bit2706+27−2746.1%+27.036.4%451
78.4%
 Amoeba 1.3 64-bit2689+32−3248.2%+11.138.6%308
99.3%
 Amoeba 1.2 64-bit2636+27−2754.6%−32.839.3%455
 

Results matrix

Custom engine selection
#NameElo1
Amoeb
2
Amoeb
3
Amoeb
4
Amoeb
5
Amoeb
6
Amoeb
7
Amoeb
8
Amoeb
9
Amoeb
10
Amoeb
11
Amoeb
1Amoeba 2.8 64-bit2922  18.5 − 11.5
+9−2=19
+46		        
2Amoeba 2.6 64-bit2913  17.5 − 22.5
+6−11=23
−40		        
3Amoeba 2.7 64-bit290711.5 − 18.5
+2−9=19
−46		22.5 − 17.5
+11−6=23
+40		         
4Amoeba 2.5 64-bit2873           
5Amoeba 2.4 64-bit2811           
6Amoeba 2.3 64-bit2745           
7Amoeba 2.0 64-bit2723           
8Amoeba 2.1 64-bit2709           
9Amoeba 1.4 64-bit2706           
10Amoeba 1.3 64-bit2689           
11Amoeba 1.2 64-bit2636           
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
#NameElo1
Amo
2
Amo
3
Amo
4
Amo
5
Amo
6
Amo
7
Amo
8
Amo
9
Amo
10
Amo
11
Amo
1Amoeba 2.8 64-bit2922 73.489.399.9100.0100.0100.0100.0100.0100.0100.0
2Amoeba 2.6 64-bit291326.6 67.799.4100.0100.0100.0100.0100.0100.0100.0
3Amoeba 2.7 64-bit290710.732.3 99.1100.0100.0100.0100.0100.0100.0100.0
4Amoeba 2.5 64-bit28730.10.60.9 100.0100.0100.0100.0100.0100.0100.0
5Amoeba 2.4 64-bit28110.00.00.00.0 100.0100.0100.0100.0100.0100.0
6Amoeba 2.3 64-bit27450.00.00.00.00.0 87.496.197.899.5100.0
7Amoeba 2.0 64-bit27230.00.00.00.00.012.6 74.380.794.2100.0
8Amoeba 2.1 64-bit27090.00.00.00.00.03.925.7 57.182.2100.0
9Amoeba 1.4 64-bit27060.00.00.00.00.02.219.342.9 78.4100.0
10Amoeba 1.3 64-bit26890.00.00.00.00.00.55.817.821.6 99.3
11Amoeba 1.2 64-bit26360.00.00.00.00.00.00.00.00.00.7 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1
Amo
2
Amo
3
Amo
4
Amo
5
Amo
6
Amo
7
Amo
8
Amo
9
Amo
10
Amo
11
Amo
1Amoeba 2.8 64-bit2922 486981196900120000
2Amoeba 2.6 64-bit2913486 550548267135122161100743
3Amoeba 2.7 64-bit2907981550 127483063330
4Amoeba 2.5 64-bit2873196548127 371138154224114480
5Amoeba 2.4 64-bit28119026748371 18627331523811226
6Amoeba 2.3 64-bit2745013530138186 276456344306102
7Amoeba 2.0 64-bit2723121226154273276 3163201880
8Amoeba 2.1 64-bit270901613224315456316 36833680
9Amoeba 1.4 64-bit270601003114238344320368 40456
10Amoeba 1.3 64-bit2689074348112306188336404 63
11Amoeba 1.2 64-bit26360300261020805663 
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
#NameElo1
Amo
2
Amo
3
Amo
4
Amo
5
Amo
6
Amo
7
Amo
8
Amo
9
Amo
10
Amo
11
Amo
1Amoeba 2.8 64-bit2922 28.742.212.46.20.00.80.00.00.00.0
2Amoeba 2.6 64-bit291328.7 27.643.923.912.511.115.38.87.50.3
3Amoeba 2.7 64-bit290742.227.6 6.82.71.80.30.20.20.20.0
4Amoeba 2.5 64-bit287312.443.96.8 37.014.315.723.811.25.50.0
5Amoeba 2.4 64-bit28116.223.92.737.0 22.232.138.926.815.12.9
6Amoeba 2.3 64-bit27450.012.51.814.322.2 33.858.840.343.111.9
7Amoeba 2.0 64-bit27230.811.10.315.732.133.8 40.137.026.00.0
8Amoeba 2.1 64-bit27090.015.30.223.838.958.840.1 44.649.39.7
9Amoeba 1.4 64-bit27060.08.80.211.226.840.337.044.6 53.26.2
10Amoeba 1.3 64-bit26890.07.50.25.515.143.126.049.353.2 8.3
11Amoeba 1.2 64-bit26360.00.30.00.02.911.90.09.76.28.3 
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 115 common opponents

Custom engine selection
NameEloAmoeba
2.8
64-bit		Amoeba
2.6
64-bit		Amoeba
2.7
64-bit		Amoeba
2.5
64-bit		Amoeba
2.4
64-bit		Amoeba
2.3
64-bit		Amoeba
2.0
64-bit		Amoeba
2.1
64-bit		Amoeba
1.4
64-bit		Amoeba
1.3
64-bit		Amoeba
1.2
64-bit
Strelka 5.5 64-bit310622%
6.5/30		 22%
8.5/39		        
Texel 1.07 64-bit307622%
6.5/30		 26%
10.5/40		        
iCE 3.0 64-bit304235%
10.5/30		 25%
10/40		        
Senpai 2.0 64-bit3040 25%
2.5/10		31%
14/45		        
Arasan 20.4.1 64-bit303727%
8/30		 33%
12/36		        
SmarThink 1.98 64-bit302628%
8.5/30		14%
2/14		62%
2.5/4		        
Arasan 20.2 64-bit3023 25%
2/8		 25%
2.5/10		       
Arasan 20.3 64-bit3009 38%
4.5/12		30%
12/40		        
Ethereal 9.30 64-bit300450%
1/2		30%
3/10		         
Vajolet2 2.5 64-bit300130%
9.5/32		 60%
3/5		        
Nemorino 3.0 64-bit2997 38%
3/8		 28%
9/32		       
SmarThink 1.97 64-bit2997 44%
3.5/8		41%
17/41		        
ChessBrainVB 3.612987 45%
4.5/10		25%
1/4		        
Defenchess (SCTR) 1.1f 64-bit298738%
12/32		60%
6/10		37%
19/51		        
Xiphos 0.1 64-bit298641%
13/32		 32%
10/31		        
Rodent III 0.238 64-bit298531%
10/32		 38%
14/37		        
ChessBrainVB 3.502981 44%
3.5/8		 42%
5/12		       
Pedone 1.6 64-bit2978 25%
2/8		 41%
6.5/16		       
Vajolet2 2.4 64-bit2970 45%
4.5/10		45%
18/40		        
Ethereal 9.00 64-bit296840%
12.5/31		 50%
0.5/1		        
NameEloAmoeba
2.8
64-bit		Amoeba
2.6
64-bit		Amoeba
2.7
64-bit		Amoeba
2.5
64-bit		Amoeba
2.4
64-bit		Amoeba
2.3
64-bit		Amoeba
2.0
64-bit		Amoeba
2.1
64-bit		Amoeba
1.4
64-bit		Amoeba
1.3
64-bit		Amoeba
1.2
64-bit
Hiarcs 14296275%
1.5/2		 50%
1/2		0%
0/2		       
Hakkapeliitta 3.0 64-bit295525%
0.5/2		25%
2/8		57%
23.5/41		50%
1/2		       
Wasp 2.6 64-bit294749%
17.5/36		49%
30.5/62		43%
19.5/45		        
Deep Sjeng c't 20102942100%
2/2		 25%
0.5/2		0%
0/2		       
Rodent III 0.210 64-bit2937 38%
3/8		46%
18.5/40		15%
1.5/10		       
Crafty 25.2 64-bit293247%
17/36		45%
9/20		50%
2.5/5		50%
9/18		       
Wasp 2.00 64-bit2931 44%
3.5/8		 53%
8.5/16		0%
0/1		      
chess22k 1.8 64-bit293150%
1/2		 36%
12/33		        
Wasp 2.01 64-bit2926 50%
2/4		 25%
0.5/2		50%
10/20		      
Bobcat 8.0 64-bit292375%
1.5/2		55%
15.5/28		17%
0.5/3		42%
7.5/18		25%
3.5/14		      
Deep Junior Yokohama 64-bit2923 50%
4/8		 25%
0.5/2		       
Cheng 4.39 64-bit292150%
1/2		55%
11/20		0%
0/1		25%
0.5/2		       
Deep Junior 13.3 64-bit292175%
1.5/2		 50%
1/2		31%
5/16		       
Spike 1.4 Leiden291875%
1.5/2		44%
3.5/8		52%
23/44		0%
0/2		       
Toga II 4.0 64-bit291249%
17.5/36		 39%
10.5/27		        
Demolito 2018-03-01 64-bit291065%
23.5/36		52%
10.5/20		25%
0.5/2		        
Amoeba 2.7 64-bit290762%
18.5/30		44%
17.5/40		         
Quazar 0.4 64-bit290725%
0.5/2		 48%
20.5/43		50%
1/2		       
Nemorino 1.02 64-bit2906        21%
3/14		6%
0.5/8		 
Hiarcs 13.22899 81%
6.5/8		  50%
5/10		      
NameEloAmoeba
2.8
64-bit		Amoeba
2.6
64-bit		Amoeba
2.7
64-bit		Amoeba
2.5
64-bit		Amoeba
2.4
64-bit		Amoeba
2.3
64-bit		Amoeba
2.0
64-bit		Amoeba
2.1
64-bit		Amoeba
1.4
64-bit		Amoeba
1.3
64-bit		Amoeba
1.2
64-bit
Spark 1.0 64-bit2894 69%
5.5/8		25%
0.5/2		        
Deuterium 14.3.34.130 64-bit289250%
15/30		50%
4/8		75%
1.5/2		38%
1.5/4		       
Demolito 2017-08-26 64-bit2891 54%
6.5/12		58%
24.5/42		50%
1/2		 38%
3/8		     
EXchess 7.97b 64-bit288959%
20/34		44%
7/16		75%
1.5/2		44%
3.5/8		50%
2/4		      
Scorpio 2.8 64-bit288858%
21/36		 57%
8/14		        
Atlas 3.91 64-bit288638%
1.5/4		 62%
7.5/12		        
Rybka 2.2 32-bit2885 44%
3.5/8		80%
8/10		        
Laser 1.2 64-bit2871      25%
1/4		 25%
2.5/10		  
Thinker 5.4d Inert 64-bit2865  75%
1.5/2		 40%
4/10		      
Gaviota 1.0 64-bit285860%
18/30		 50%
1/2		50%
1/2		35%
3.5/10		      
Dirty 30Apr2017 64-bit2857 54%
15/28		100%
2/2		52%
11.5/22		50%
2/4		      
EXchess 7.92b 64-bit2857         25%
1/4		0%
0/1
MinkoChess 1.3 64-bit2856  50%
1/2		50%
1/2		55%
5.5/10		      
Atlas 3.80 64-bit2849   0%
0/2		30%
3/10		 18%
2.5/14		25%
2.5/10		   
DisasterArea 1.65 64-bit284960%
18/30		44%
3.5/8		75%
1.5/2		64%
14/22		43%
6/14		 38%
1.5/4		    
Defenchess (SCTR) 1.0 64-bit2846 75%
9/12		 65%
6.5/10		       
Nemo 1.0.1 64-bit2846   50%
1/2		45%
4.5/10		      
Booot 5.1.02845    55%
5.5/10		 55%
5.5/10		    
Fruit Reloaded 3.2.1 64-bit284259%
20/34		 66%
33/50		        
Dirty 3Nov2015 64-bit2838    36%
4/11		 43%
6/14		60%
6/10		   
NameEloAmoeba
2.8
64-bit		Amoeba
2.6
64-bit		Amoeba
2.7
64-bit		Amoeba
2.5
64-bit		Amoeba
2.4
64-bit		Amoeba
2.3
64-bit		Amoeba
2.0
64-bit		Amoeba
2.1
64-bit		Amoeba
1.4
64-bit		Amoeba
1.3
64-bit		Amoeba
1.2
64-bit
Tornado 8.0 64-bit2836 69%
5.5/8		 55%
12/22		39%
7/18		  38%
7.5/20		   
Protector 1.3.4 32-bit2826     40%
4/10		35%
3.5/10		    
Murka 3 64-bit2824 69%
5.5/8		 66%
10.5/16		50%
5/10		  50%
5/10		   
Zurichess Neuchatel 64-bit282450%
2/4		50%
2/4		 70%
7/10		       
Tornado 7.0 64-bit2817 75%
6/8		    25%
1/4		 38%
1.5/4		38%
1.5/4		 
Rodent II 0.8.7 64-bit2810      35%
3.5/10		 40%
4/10		  
GNU Chess 5.60 64-bit2809 75%
6/8		 53%
8.5/16		 50%
5/10		35%
3.5/10		20%
2/10		   
Scorpio 2.7.7 64-bit2805 50%
4/8		 68%
15/22		36%
5/14		 25%
1/4		45%
4.5/10		25%
1/4		50%
2/4		 
Hannibal 1.0a 32-bit2802     25%
2.5/10		25%
2.5/10		 40%
4/10		  
Rhetoric 1.4.3 64-bit2797 62%
5/8		 56%
9/16		53%
9.5/18		46%
5.5/12		50%
2/4		35%
3.5/10		46%
6.5/14		62%
2.5/4		 
GnuCheese 1.00 64-bit2794 62%
2.5/4		  36%
5/14		50%
1/2		12%
0.5/4		 38%
1.5/4		25%
1/4		 
Zurichess Luzern 64-bit2792   75%
3/4		40%
8/20		      
Loop 13.6 (Loop 2007) 64-bit2789 75%
6/8		   54%
6.5/12		 65%
6.5/10		   
RuyDos 1.1.6 64-bit278675%
15/20		 85%
8.5/10		        
The Baron 3.29 64-bit2786 69%
5.5/8		  50%
2/4		54%
6.5/12		40%
4/10		40%
4/10		50%
4/8		40%
4/10		 
Rodent 1.5 64-bit2785     45%
4.5/10		 15%
1.5/10		 40%
4/10		 
Pawny 1.2 64-bit2780 84%
13.5/16		 68%
13.5/20		47%
8.5/18		50%
6/12		39%
5.5/14		40%
4/10		39%
5.5/14		38%
1.5/4		 
Octochess r5506 64-bit2778   72%
11.5/16		55%
5.5/10		46%
5.5/12		35%
3.5/10		20%
2/10		   
Frenzee 3.5.19 64-bit2776   69%
11/16		45%
4.5/10		25%
0.5/2		55%
5.5/10		 50%
5/10		  
Naraku 1.42776    55%
5.5/10		50%
1/2		  40%
4/10		  
NameEloAmoeba
2.8
64-bit		Amoeba
2.6
64-bit		Amoeba
2.7
64-bit		Amoeba
2.5
64-bit		Amoeba
2.4
64-bit		Amoeba
2.3
64-bit		Amoeba
2.0
64-bit		Amoeba
2.1
64-bit		Amoeba
1.4
64-bit		Amoeba
1.3
64-bit		Amoeba
1.2
64-bit
Octochess r5190 64-bit2772        30%
3/10		45%
4.5/10		 
Twisted Logic 20100131x 64-bit2766    60%
6/10		75%
1.5/2		     
Zurichess Jura 64-bit2765    75%
12/16		50%
1/2		    55%
5.5/10
BugChess2 1.9 64-bit2764  100%
1/1		 65%
6.5/10		25%
0.5/2		  40%
4/10		  
Bison 9.11 64-bit2759    50%
5/10		50%
1/2		55%
5.5/10		40%
4/10		55%
5.5/10		25%
2.5/10		 
Chronos 1.9.9 64-bit2737     100%
2/2		45%
4.5/10		 45%
4.5/10		  
Carballo 1.7 64-bit2732    75%
3/4		55%
5.5/10		32%
4.5/14		50%
2/4		   
Godel 3.4.9 64-bit2727    75%
7.5/10		25%
0.5/2		45%
4.5/10		45%
4.5/10		50%
5/10		60%
6/10		 
ProDeo 2.22726     50%
1/2		 35%
3.5/10		42%
10/24		  
Tucano 6.00 64-bit2724   50%
2/4		88%
3.5/4		58%
7/12		 35%
3.5/10		48%
10.5/22		64%
9/14		 
Carballo 1.6 64-bit2705    60%
6/10		  60%
6/10		50%
8/16		  
Ktulu 82705        35%
3.5/10		45%
4.5/10		 
Chessmaster 11 Aiglos II2701     100%
2/2		 55%
5.5/10		   
Zurichess Graubuenden 64-bit2689      45%
4.5/10		35%
3.5/10		58%
7/12		60%
6/10		 
Cheese 1.8 64-bit2683     70%
7/10		 62%
2.5/4		43%
6/14		60%
6/10		 
Cheese 1.7 64-bit2678      65%
6.5/10		65%
6.5/10		   
MinkoChess 0.8 32-bit2675       35%
3.5/10		60%
6/10		  
Arminius 2017-01-01 64-bit2673    85%
8.5/10		35%
3.5/10		70%
7/10		50%
7/14		   
ChessBrainVB 2.052668      65%
6.5/10		 40%
4/10		50%
7/14		 
Djinn 1.021 64-bit2666     55%
5.5/10		70%
7/10		55%
5.5/10		45%
4.5/10		40%
4/10		 
NameEloAmoeba
2.8
64-bit		Amoeba
2.6
64-bit		Amoeba
2.7
64-bit		Amoeba
2.5
64-bit		Amoeba
2.4
64-bit		Amoeba
2.3
64-bit		Amoeba
2.0
64-bit		Amoeba
2.1
64-bit		Amoeba
1.4
64-bit		Amoeba
1.3
64-bit		Amoeba
1.2
64-bit
RedQueen 1.1.98 64-bit2663       100%
4/4		 50%
2/4		44%
10.5/24
Floyd 0.9 64-bit2659     65%
6.5/10		75%
7.5/10		64%
9/14		50%
7/14		55%
5.5/10		 
Dirty 23Mar2012 32-bit2656        60%
6/10		 35%
3.5/10
Philou 3.7.1 64-bit2654  100%
1/1		  45%
4.5/10		 50%
5/10		 80%
8/10		 
Cyrano 0.6b17 64-bit2649     60%
6/10		  80%
8/10		50%
5/10		 
Laser 0.2.1 64-bit2646     75%
7.5/10		65%
6.5/10		 85%
8.5/10		  
Sjakk 2.2 64-bit2632     50%
5/10		 65%
6.5/10		62%
5/8		60%
6/10		62%
2.5/4
Rodin 8.02626     55%
5.5/10		 62%
2.5/4		 62%
2.5/4		54%
7.5/14
Nebula 2.0 64-bit2624     65%
6.5/10		 60%
6/10		 65%
6.5/10		 
NoraGrace 2.0 64-bit2624     60%
6/10		 50%
5/10		68%
9.5/14		32%
4.5/14		50%
2/4
Ethereal 8.02 64-bit2618     65%
6.5/10		 65%
6.5/10		   
Phalanx XXV2612 100%
1/1		   90%
9/10		 88%
3.5/4		  57%
8/14
GreKo 2015 64-bit2607     85%
8.5/10		 70%
7/10		60%
6/10		45%
4.5/10		88%
3.5/4
DanaSah 6.502604     80%
8/10		 50%
2/4		   
Donna 4.0 64-bit2603     85%
8.5/10		 75%
3/4		  50%
2/4
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%

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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

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 July 7, 2018