CCRL 40/40
Downloads and Statistics
May 18, 2019
Testing summary:
Total: 1'044'560 games
played by 2'452 programs
143157 CPU days (X2 4600+)

White wins: 363'036 (34.8%)
Black wins: 270'297 (25.9%)
Draws: 411'227 (39.4%)
White score: 54.4%

Custom engine selection

Comparing 7 engines!
7 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 May 18, 2019 with Bayeselo based on 1'044'560 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+
1Zurichess Neuchatel 64-bit2820+15−1548.7%+6.342.5%1411 
97.3%
 Zurichess Luzern 64-bit2792+24−2447.3%+15.342.0%528
93.5%
 Zurichess Jura 64-bit2765+25−2550.7%−7.341.8%500
100.0%
 Zurichess Graubuenden 64-bit2689+25−2551.0%−6.639.0%539
100.0%
 Zurichess Glarus 64-bit2559+27−2749.2%+2.137.6%447
100.0%
 Zurichess Geneva 64-bit2482+27−2747.0%+19.135.2%466
97.3%
 Zurichess Fribourg 64-bit2443+29−2951.7%−11.231.6%393
 

Results matrix

Custom engine selection
#NameElo1234567
1Zurichess Neuchatel 64-bit2820       
2Zurichess Luzern 64-bit2792       
3Zurichess Jura 64-bit2765       
4Zurichess Graubuenden 64-bit2689       
5Zurichess Glarus 64-bit2559       
6Zurichess Geneva 64-bit2482       
7Zurichess Fribourg 64-bit2443       
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
#NameElo1234567
1Zurichess Neuchatel 64-bit2820 97.3100.0100.0100.0100.0100.0
2Zurichess Luzern 64-bit27922.7 93.5100.0100.0100.0100.0
3Zurichess Jura 64-bit27650.06.5 100.0100.0100.0100.0
4Zurichess Graubuenden 64-bit26890.00.00.0 100.0100.0100.0
5Zurichess Glarus 64-bit25590.00.00.00.0 100.0100.0
6Zurichess Geneva 64-bit24820.00.00.00.00.0 97.3
7Zurichess Fribourg 64-bit24430.00.00.00.00.02.7 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567
1Zurichess Neuchatel 64-bit2820 574429219300
2Zurichess Luzern 64-bit2792574 446186000
3Zurichess Jura 64-bit2765429446 38638266
4Zurichess Graubuenden 64-bit2689219186386 1986933
5Zurichess Glarus 64-bit25593038198 230116
6Zurichess Geneva 64-bit2482002669230 209
7Zurichess Fribourg 64-bit244300633116209 
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
#NameElo1234567
1Zurichess Neuchatel 64-bit2820 29.622.411.20.20.00.0
2Zurichess Luzern 64-bit279229.6 43.417.40.00.00.0
3Zurichess Jura 64-bit276522.443.4 37.24.02.70.7
4Zurichess Graubuenden 64-bit268911.217.437.2 20.16.93.5
5Zurichess Glarus 64-bit25590.20.04.020.1 25.213.8
6Zurichess Geneva 64-bit24820.00.02.76.925.2 24.3
7Zurichess Fribourg 64-bit24430.00.00.73.513.824.3 
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 80 common opponents

Custom engine selection
NameEloZurichess
Neuchatel
64-bit
Zurichess
Luzern
64-bit
Zurichess
Jura
64-bit
Zurichess
Graubuenden
64-bit
Zurichess
Glarus
64-bit
Zurichess
Geneva
64-bit
Zurichess
Fribourg
64-bit
Wasp 2.00 64-bit293025%
2.5/10
 0%
0/1
    
Wasp 2.01 64-bit292550%
2/4
42%
8.5/20
0%
0/2
    
Bobcat 8.0 64-bit292346%
6.5/14
30%
6/20
25%
0.5/2
    
EXchess 7.97b 64-bit289325%
6/24
31%
2.5/8
25%
1.5/6
    
ChessBrainVB 3.202873 38%
1.5/4
33%
4/12
    
Amoeba 2.5 64-bit287230%
3/10
25%
1/4
     
Gaviota 1.0 64-bit285925%
1/4
16%
2.5/16
     
Dirty 30Apr2017 64-bit285643%
9.5/22
32%
6.5/20
38%
1.5/4
    
MinkoChess 1.3 64-bit285450%
2/4
28%
4.5/16
     
Nemo 1.0.1 64-bit284750%
2/4
38%
6/16
     
DisasterArea 1.65 64-bit284562%
17.5/28
54%
13/24
34%
5.5/16
    
Demolito 2017-06-18 64-bit2843 38%
1.5/4
35%
3.5/10
    
Tornado 8.0 64-bit284354%
21.5/40
38%
9/24
52%
10.5/20
    
Onno 1.2.70 64-bit283325%
0.5/2
59%
9.5/16
     
ChessBrainVB 3.032822  43%
6/14
33%
2/6
   
Amoeba 2.4 64-bit2811 60%
12/20
25%
4/16
    
GNU Chess 5.60 64-bit281040%
4/10
50%
8/16
40%
4/10
    
Scorpio 2.7.7 64-bit280442%
5/12
61%
14/23
41%
6.5/16
38%
1.5/4
   
Hannibal 1.0a 32-bit2801  40%
4/10
30%
3/10
   
Rhetoric 1.4.3 64-bit279456%
9/16
55%
11.5/21
34%
7.5/22
25%
1/4
   
NameEloZurichess
Neuchatel
64-bit
Zurichess
Luzern
64-bit
Zurichess
Jura
64-bit
Zurichess
Graubuenden
64-bit
Zurichess
Glarus
64-bit
Zurichess
Geneva
64-bit
Zurichess
Fribourg
64-bit
GnuCheese 1.00 64-bit279375%
4.5/6
33%
2/6
57%
4/7
50%
2/4
   
Loop 13.6 (Loop 2007) 64-bit279040%
4/10
 46%
5.5/12
40%
4/10
   
The Baron 3.29 64-bit278546%
5.5/12
50%
1/2
59%
9.5/16
30%
3/10
   
Octochess r5506 64-bit278163%
24/38
50%
9/18
50%
6/12
35%
3.5/10
   
Bright 0.5c2778 100%
2/2
50%
1/2
    
Pawny 1.2 64-bit277850%
11/22
46%
12/26
52%
11/21
39%
5.5/14
   
Twisted Logic 20100131x 64-bit2767 50%
1/2
75%
1.5/2
    
BugChess2 1.9 64-bit276450%
5/10
100%
2/2
50%
1/2
    
Bison 9.11 64-bit2756 53%
8.5/16
75%
1.5/2
55%
5.5/10
   
Ktulu 92754 0%
0/2
100%
2/2
    
chess22k 1.5 64-bit275062%
7.5/12
70%
7/10
     
Carballo 1.7 64-bit273657%
12.5/22
44%
8/18
88%
3.5/4
35%
3.5/10
   
Godel 3.4.9 64-bit2727 75%
1.5/2
50%
1/2
    
Tucano 6.00 64-bit2724 58%
3.5/6
50%
5/10
42%
7.5/18
   
ProDeo 2.2272269%
12.5/18
25%
0.5/2
72%
11.5/16
53%
9.5/18
   
Arminius 2017-01-01 64-bit2672  65%
6.5/10
61%
8.5/14
   
RedQueen 1.1.98 64-bit2669100%
4/4
  62%
2.5/4
   
Dirty 23Mar2012 32-bit2657   55%
5.5/10
67%
4/6
  
Floyd 0.9 64-bit2657  70%
7/10
36%
6.5/18
   
Amoeba 1.2 64-bit2640  45%
4.5/10
 55%
5.5/10
  
NameEloZurichess
Neuchatel
64-bit
Zurichess
Luzern
64-bit
Zurichess
Jura
64-bit
Zurichess
Graubuenden
64-bit
Zurichess
Glarus
64-bit
Zurichess
Geneva
64-bit
Zurichess
Fribourg
64-bit
Sjakk 2.2 64-bit2633  50%
5/10
50%
2/4
50%
1/2
  
CM9000 Assassin2630    50%
1/2
31%
2.5/8
 
Rodin 8.02627   50%
2/4
44%
3.5/8
  
NoraGrace 2.0 64-bit2625  95%
9.5/10
57%
8/14
50%
1/2
 0%
0/2
Ethereal 8.02 64-bit2620  90%
9/10
45%
4.5/10
   
Phalanx XXV2618   67%
12/18
0%
0/2
  
GreKo 2015 64-bit2608  80%
8/10
50%
5/10
75%
1.5/2
44%
7/16
 
Donna 4.0 64-bit2605   62%
2.5/4
75%
1.5/2
  
Arminius 2015-08-06 64-bit2604   68%
9.5/14
50%
3/6
  
Muse 0.953 64-bit25950%
0/1
  64%
9/14
58%
7.5/13
  
Djinn 0.992 64-bit2589    58%
3.5/6
50%
4/8
 
K2 0.872583   75%
3/4
50%
5/10
  
Jellyfish 1.1 64-bit2580   62%
5/8
25%
1.5/6
29%
3.5/12
 
Capivara LK 0.09b02f 64-bit2569   50%
0.5/1
50%
1/2
50%
4/8
0%
0/2
Capivara LK 0.09b02g 64-bit2562   64%
11.5/18
75%
6/8
  
Carballo 1.5 64-bit2560   62%
2.5/4
70%
7/10
  
JikChess 0.02 64-bit2555   75%
3/4
62%
7.5/12
25%
1.5/6
20%
2/10
Phalanx XXIV2537    50%
0.5/1
38%
1.5/4
 
Maverick 1.5 64-bit2536   88%
3.5/4
67%
4/6
42%
2.5/6
30%
3/10
Fridolin 2.00 64-bit2530    75%
6/8
36%
6.5/18
39%
5.5/14
NameEloZurichess
Neuchatel
64-bit
Zurichess
Luzern
64-bit
Zurichess
Jura
64-bit
Zurichess
Graubuenden
64-bit
Zurichess
Glarus
64-bit
Zurichess
Geneva
64-bit
Zurichess
Fribourg
64-bit
nanoSzachy 4.1 64-bit2529    50%
2/4
50%
7/14
0%
0/2
EXchess 6.10b 32-bit2518    58%
3.5/6
56%
4.5/8
 
Colossus 2007b2515    50%
3/6
44%
3.5/8
 
Twisted Logic 0.065e372514    33%
2/6
56%
4.5/8
 
Ethereal 7.70 64-bit2511   100%
4/4
12%
0.5/4
  
Floyd 0.8 64-bit2509    40%
4/10
35%
3.5/10
 
Maverick 1.0 64-bit2508     31%
2.5/8
25%
1/4
Delphil 3.2 64-bit2498    60%
6/10
50%
3/6
25%
1/4
Cheng3 1.03 32-bit2493    17%
1/6
31%
2.5/8
 
K2 0.752491    58%
3.5/6
 50%
1/2
Ghost 2.0.2 64-bit2485    75%
3/4
33%
2/6
50%
7/14
Shield 1.2 64-bit2473    25%
1/4
50%
1/2
25%
2/8
Giraffe 20150908 64-bit2463     42%
2.5/6
54%
6.5/12
Carballo 1.32462     50%
3/6
61%
8.5/14
Pawny 0.3 32-bit2461    50%
0.5/1
56%
4.5/8
 
Donna 2.1 64-bit2460     69%
5.5/8
50%
1.5/3
Bumblebee 1.0 64-bit2459     75%
1.5/2
35%
3.5/10
Betsabe II 1.472443     67%
4/6
75%
3/4
Bitfoot 1.0.d9aeb43 64-bit2412     12%
0.5/4
25%
1/4
Ares 1.005.2 64-bit2411     81%
6.5/8
60%
6/10
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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Alter output selection

Rating list
Testing profile
  (Step: , Numbers: )

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
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Reference rating list:
Recalibrate:
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Created in 2005-2013 by CCRL team
Last games added on May 18, 2019