CCRL 40/4
Downloads and Statistics
June 15, 2019
Testing summary:
Total: 2'051'440 games
played by 2'369 programs
27518 CPU days (X2 4600+)

White wins: 797'129 (38.9%)
Black wins: 645'243 (31.5%)
Draws: 609'068 (29.7%)
White score: 53.7%

Custom engine selection

Comparing 10 engines!
10 selected engines played 12 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 June 15, 2019 with Bayeselo based on 2'051'440 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+
1Francesca MAD 0.23 64-bit2763+19−1950.1%+0.630.7%957 
52.1%
 Francesca MAD 0.24 64-bit2762+24−2449.2%+5.433.9%573
99.3%
 Francesca MAD 0.22 64-bit2725+17−1749.2%−0.132.8%1218
99.4%
 Francesca MAD 0.21 64-bit2692+20−2052.6%−17.232.1%850
100.0%
 Francesca MAD 0.20 64-bit2629+18−1847.6%+18.727.5%1094
100.0%
 Francesca MAD 0.192581+10−1050.5%−5.628.1%3943
87.4%
 Francesca MAD 0.182570+16−1653.7%−26.329.6%1288
100.0%
 Francesca MAD 0.152523+17−1747.9%+15.030.7%1215
69.2%
 Francesca MAD 0.162517+18−1847.4%+18.729.4%1111
100.0%
 Francesca MAD 0.13 Nobook2392+14−1351.5%−10.724.9%2030
 

Results matrix

Custom engine selection
#NameElo12345678910
1Francesca MAD 0.23 64-bit2763          
2Francesca MAD 0.24 64-bit2762          
3Francesca MAD 0.22 64-bit2725          
4Francesca MAD 0.21 64-bit2692          
5Francesca MAD 0.20 64-bit2629          
6Francesca MAD 0.192581      5.5 − 6.5
+3−4=5
−31
   
7Francesca MAD 0.182570     6.5 − 5.5
+4−3=5
+31
    
8Francesca MAD 0.152523          
9Francesca MAD 0.162517          
10Francesca MAD 0.13 Nobook2392          
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
#NameElo12345678910
1Francesca MAD 0.23 64-bit2763 52.199.8100.0100.0100.0100.0100.0100.0100.0
2Francesca MAD 0.24 64-bit276247.9 99.3100.0100.0100.0100.0100.0100.0100.0
3Francesca MAD 0.22 64-bit27250.20.7 99.4100.0100.0100.0100.0100.0100.0
4Francesca MAD 0.21 64-bit26920.00.00.6 100.0100.0100.0100.0100.0100.0
5Francesca MAD 0.20 64-bit26290.00.00.00.0 100.0100.0100.0100.0100.0
6Francesca MAD 0.1925810.00.00.00.00.0 87.4100.0100.0100.0
7Francesca MAD 0.1825700.00.00.00.00.012.6 100.0100.0100.0
8Francesca MAD 0.1525230.00.00.00.00.00.00.0 69.2100.0
9Francesca MAD 0.1625170.00.00.00.00.00.00.030.8 100.0
10Francesca MAD 0.13 Nobook23920.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678910
1Francesca MAD 0.23 64-bit2763 41512645056311290000
2Francesca MAD 0.24 64-bit2762415 827282171850000
3Francesca MAD 0.22 64-bit27251264827 77758816112666
4Francesca MAD 0.21 64-bit2692505282777 819469192102993
5Francesca MAD 0.20 64-bit2629631171588819 9142252552550
6Francesca MAD 0.19258112985161469914 252614101192358
7Francesca MAD 0.18257000121922252526 1049885317
8Francesca MAD 0.15252300610225514101049 1901302
9Francesca MAD 0.1625170069925511928851901 426
10Francesca MAD 0.13 Nobook239200630358317302426 
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
#NameElo12345678910
1Francesca MAD 0.23 64-bit2763 27.158.127.930.82.60.00.00.00.0
2Francesca MAD 0.24 64-bit276227.1 46.219.810.31.90.00.00.00.0
3Francesca MAD 0.22 64-bit272558.146.2 37.625.43.10.50.20.30.2
4Francesca MAD 0.21 64-bit269227.919.837.6 42.19.89.04.95.00.1
5Francesca MAD 0.20 64-bit262930.810.325.442.1 18.19.411.011.60.0
6Francesca MAD 0.1925812.61.93.19.818.1 48.327.323.66.0
7Francesca MAD 0.1825700.00.00.59.09.448.3 41.936.99.6
8Francesca MAD 0.1525230.00.00.24.911.027.341.9 81.79.3
9Francesca MAD 0.1625170.00.00.35.011.623.636.981.7 13.6
10Francesca MAD 0.13 Nobook23920.00.00.20.10.06.09.69.313.6 
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 131 common opponents

Custom engine selection
NameEloFrancesca
MAD
0.23
64-bit
Francesca
MAD
0.24
64-bit
Francesca
MAD
0.22
64-bit
Francesca
MAD
0.21
64-bit
Francesca
MAD
0.20
64-bit
Francesca
MAD
0.19
Francesca
MAD
0.18
Francesca
MAD
0.15
Francesca
MAD
0.16
Francesca
MAD
0.13
Nobook
Tornado 8.0 64-bit282645%
14.5/32
 48%
15.5/32
50%
0.5/1
      
Octochess r5506 64-bit2821 45%
23.5/52
36%
12.5/35
       
Rhetoric 1.4.3 64-bit280439%
12.5/32
42%
22/52
46%
16/35
       
RuyDos 1.1.9 64-bit2795 50%
27/54
36%
13/36
       
Ktulu 92782 52%
26/50
35%
12.5/36
50%
1/2
      
Bright 0.5c277358%
18.5/32
  50%
0.5/1
      
Twisted Logic 20090922 64-bit277142%
13.5/32
 39%
12.5/32
       
tomitankChess 3.0 64-bit276953%
17/32
   27%
7/26
     
Cheese 2.0 64-bit276848%
15/31
 39%
12.5/32
       
Frenzee 3.5.19 64-bit276850%
16/32
48%
26/54
28%
9/32
       
Pawny 1.2 64-bit276561%
19.5/32
 39%
12.5/32
0%
0/1
      
Jonny 4.00276348%
15.5/32
48%
20/42
47%
74.5/157
       
Bison 9.11 64-bit2761 44%
23.5/54
38%
13.5/36
43%
16.5/38
      
BugChess2 1.9 64-bit275947%
15/32
 42%
13.5/32
       
Arminius 2018-12-23 64-bit275352%
16.5/32
 53%
17/32
       
Chronos 1.9.9 64-bit273961%
19.5/32
52%
28/54
45%
14.5/32
39%
15/38
22%
7/32
     
Shield 2.1 64-bit273747%
15/32
 53%
17/32
50%
0.5/1
41%
13/32
     
GreKo 2018.08 64-bit271550%
16/32
   42%
13/31
     
Chess Tiger 2007.1271469%
22/32
49%
26/53
43%
15.5/36
33%
13/39
36%
11.5/32
31%
10/32
    
Devel 2.0000271264%
20.5/32
 67%
21.5/32
 25%
8/32
     
NameEloFrancesca
MAD
0.23
64-bit
Francesca
MAD
0.24
64-bit
Francesca
MAD
0.22
64-bit
Francesca
MAD
0.21
64-bit
Francesca
MAD
0.20
64-bit
Francesca
MAD
0.19
Francesca
MAD
0.18
Francesca
MAD
0.15
Francesca
MAD
0.16
Francesca
MAD
0.13
Nobook
Topple 0.3.5 64-bit2700  56%
19.5/35
45%
13.5/30
      
Donna 4.1 64-bit269956%
18/32
 63%
21.5/34
 45%
13.5/30
     
Gaviota 0.84 64-bit2687     38%
4.5/12
38%
4.5/12
   
Delfi 5.4268461%
19.5/32
 49%
17.5/36
47%
35.5/75
41%
13/32
36%
12/33
    
Djinn 1.021 64-bit267852%
16.5/32
 61%
19.5/32
51%
37/73
39%
12.5/32
     
Bobcat 2.75 64-bit2676     46%
5.5/12
27%
3/11
   
RedQueen 1.0.0 64-bit2675     29%
3.5/12
18%
2/11
   
ECE X3.5 64-bit267072%
23/32
 58%
18.5/32
50%
16/32
      
RedQueen 1.1.98 64-bit266966%
21/32
 57%
20.5/36
55%
40/73
44%
14/32
     
Dirty 25Aug2011 64-bit2668     25%
3/12
33%
4/12
   
Fridolin 3.10 64-bit266656%
18/32
 62%
20/32
       
Alaric 7072664   58%
41.5/72
38%
12/32
42%
13/31
42%
13.5/32
   
Gandalf 7 64-bit2663  59%
19/32
64%
44.5/70
58%
18.5/32
     
ECE X3 64-bit2656    41%
13/32
50%
1/2
    
Nebula 2.0 64-bit2655   53%
38.5/73
47%
15/32
53%
17/32
    
Phalanx XXV2654   49%
36/73
44%
13.5/31
     
Colossus 2008b2642  50%
1/2
63%
45.5/72
 39%
12.5/32
39%
12.5/32
28%
9/32
38%
12/32
 
Deuterium 11.01.28.1592637     38%
4.5/12
50%
6/12
   
E.T. Chess 13.01.082634   0%
0/1
 46%
15.5/34
 52%
16.5/32
27%
8.5/32
 
Gandalf 62627     42%
13.5/32
 31%
9.5/31
39%
12.5/32
 
NameEloFrancesca
MAD
0.23
64-bit
Francesca
MAD
0.24
64-bit
Francesca
MAD
0.22
64-bit
Francesca
MAD
0.21
64-bit
Francesca
MAD
0.20
64-bit
Francesca
MAD
0.19
Francesca
MAD
0.18
Francesca
MAD
0.15
Francesca
MAD
0.16
Francesca
MAD
0.13
Nobook
Alfil 8.1.1 Optimized2625     38%
12/32
45%
14.5/32
42%
13/31
23%
7.5/32
 
Movei 00.8.438 (10 10 10)2623     31%
10/32
 31%
10/32
27%
8.5/31
 
WildCat 82623     41%
13/32
42%
13/31
45%
14.5/32
50%
16/32
 
Sloppy 0.2.2 64-bit2617    56%
18/32
42%
13.5/32
32%
9.5/30
30%
9.5/32
45%
14/31
 
tomitankChess 2.0 64-bit2616    64%
20.5/32
32%
10/31
    
Slow Chess Blitz WV2.12615    42%
13.5/32
45%
15/33
37%
11.5/31
31%
10/32
47%
15/32
 
Rotor 0.82613    61%
19.5/32
47%
15/32
    
Deuterium 10.01.27.2132610       27%
8.5/32
38%
12/32
 
Ruffian 2.1.02610    47%
15/32
25%
0.5/2
 53%
16.5/31
38%
12/32
 
Glass 2.0 64-bit2609    70%
22.5/32
0%
0/1
    
Jellyfish 1.1 64-bit2608    48%
15/31
56%
19/34
    
Amyan 1.722604    56%
18/32
27%
3.5/13
54%
6.5/12
45%
14.5/32
50%
16/32
 
Pharaon 3.5.12604   50%
0.5/1
34%
11/32
44%
14/32
    
Zappa 1.1 64-bit2604     50%
15/30
48%
15.5/32
   
Cheng3 1.05 64-bit2602     50%
6/12
42%
5/12
   
GarboChess 2.10 64-bit2598     50%
16/32
 36%
11.5/32
36%
11.5/32
 
GNU Chess 5.07.173b 64-bit2597     50%
6/12
71%
8.5/12
   
GNU Chess 5.07.1705b (TCEC) 64-bit2596     62%
7.5/12
42%
5/12
   
K2 0.912590    61%
19/31
39%
12/31
    
N2 0.4 64-bit2590     39%
5.5/14
25%
3/12
   
NameEloFrancesca
MAD
0.23
64-bit
Francesca
MAD
0.24
64-bit
Francesca
MAD
0.22
64-bit
Francesca
MAD
0.21
64-bit
Francesca
MAD
0.20
64-bit
Francesca
MAD
0.19
Francesca
MAD
0.18
Francesca
MAD
0.15
Francesca
MAD
0.16
Francesca
MAD
0.13
Nobook
Ruffian 1.0.52586     59%
19/32
47%
15/32
   
Floyd 0.9 64-bit2585    53%
17/32
44%
14.5/33
    
CuckooChess 1.12 64-bit2583     42%
5/12
50%
5.5/11
   
Arasan 13.2 64-bit2582     38%
4.5/12
29%
3.5/12
   
Coiled 0.6 64-bit2582    56%
18/32
38%
4.5/12
    
Muse 0.953 64-bit2582   100%
1/1
59%
19/32
33%
8/24
    
Cheng3 1.04 64-bit2581     55%
6/11
54%
6.5/12
   
Hamsters 0.7.12579     58%
18.5/32
45%
14.5/32
   
Pseudo 0.7c2576     47%
15/32
50%
16/32
   
Arasan 13.1 64-bit2575     42%
5/12
62%
7.5/12
   
SOS 5.12575     50%
1/2
61%
19.5/32
   
Rotor 0.62573     79%
9.5/12
50%
5/10
45%
14/31
19%
6/32
 
Maverick 1.5 64-bit2567  25%
0.5/2
  50%
11/22
    
Aristarch 4.502566     56%
18/32
47%
15/32
   
Petir 4.392566     54%
6.5/12
54%
6.5/12
   
Glass 1.7 64-bit2556     33%
4/12
58%
7/12
39%
12.5/32
  
Petir 4.9999992555     100%
1/1
 42%
13.5/32
50%
15.5/31
 
The Baron 2.23 64-bit2555     63%
19.5/31
62%
20/32
42%
13/31
47%
15/32
 
Philou 3.602551     71%
8.5/12
42%
5/12
42%
13.5/32
  
Ktulu 4.22545     41%
13/32
50%
15.5/31
   
NameEloFrancesca
MAD
0.23
64-bit
Francesca
MAD
0.24
64-bit
Francesca
MAD
0.22
64-bit
Francesca
MAD
0.21
64-bit
Francesca
MAD
0.20
64-bit
Francesca
MAD
0.19
Francesca
MAD
0.18
Francesca
MAD
0.15
Francesca
MAD
0.16
Francesca
MAD
0.13
Nobook
Arasan 12.0 64-bit2543       41%
13/32
45%
14.5/32
 
Capivara LK 0.09b02g 64-bit2543   100%
1/1
 0%
0/1
    
Hermann 2.6 64-bit2540     58%
7/12
46%
5.5/12
   
Ufim 8.022540     65%
21.5/33
61%
19/31
48%
15.5/32
47%
15/32
 
AnMon 5.752539     48%
15.5/32
56%
18/32
53%
17/32
47%
15/32
 
CuckooChess 1.11 64-bit2539     68%
7.5/11
67%
8/12
   
SmarThink 0.17a2537     50%
16/32
48%
15.5/32
   
Philou 3.52534       41%
13/32
45%
14/31
 
Hermann 2.8 64-bit2531     58%
7/12
58%
7/12
   
DanaSah 4.662530     29%
3.5/12
58%
7/12
   
GreKo 8.2 64-bit2526     58%
7/12
62%
7.5/12
   
Pepito 1.59.2 64-bit2521   100%
1/1
 59%
19/32
 44%
13.5/31
  
Dirty 6J-222513       56%
18/32
45%
14.5/32
 
Rodin 4.02512     38%
4.5/12
71%
8.5/12
56%
17.5/31
  
Pupsi2 0.082507     54%
6.5/12
83%
10/12
   
DanaSah 4.242506       45%
14.5/32
44%
14/32
 
Green Light Chess 3.01.2.22505  100%
2/2
  66%
21/32
44%
14/32
   
Little Goliath Evolution 3.122505     56%
18/32
77%
23/30
52%
15/29
50%
15.5/31
 
Yace 0.99.872503     67%
20/30
63%
19/30
62%
20/32
62%
20/32
 
Trace 1.37a2500     53%
16.5/31
73%
23.5/32
64%
20.5/32
53%
17/32
 
NameEloFrancesca
MAD
0.23
64-bit
Francesca
MAD
0.24
64-bit
Francesca
MAD
0.22
64-bit
Francesca
MAD
0.21
64-bit
Francesca
MAD
0.20
64-bit
Francesca
MAD
0.19
Francesca
MAD
0.18
Francesca
MAD
0.15
Francesca
MAD
0.16
Francesca
MAD
0.13
Nobook
nanoSzachy 3.92495     71%
8.5/12
58%
7/12
   
Tao 5.62486     61%
20/33
75%
24/32
  39%
12.5/32
Cerebro 3.03d2472     70%
22.5/32
40%
12.5/31
61%
19.5/32
65%
20/31
 
Kiwi 0.6d 64-bit2468     67%
21.5/32
67%
21.5/32
   
Dorky 4.3 64-bit2466     62%
7.5/12
62%
7.5/12
54%
7/13
  
Pawny 0.3 64-bit2463     92%
11/12
55%
6/11
56%
17.5/31
  
Glass 1.62457       64%
18.5/29
69%
21.5/31
 
LittleThought 1.052 64-bit2453     75%
1.5/2
  56%
18/32
 
Delphil 2.82450     62%
7.5/12
59%
6.5/11
   
Matacz 1.42446     100%
1/1
 53%
17/32
50%
15.5/31
45%
29/64
SpiderChess 0706032439     59%
19/32
58%
18.5/32
59%
19/32
55%
17.5/32
37%
11.5/31
Atlas 3.14b 64-bit2436     62%
7.5/12
79%
9.5/12
   
LambChop 10.992435     100%
2/2
 66%
21/32
52%
16.5/32
29%
9/31
Abrok 5.02434     86%
28.5/33
59%
19/32
  45%
14.5/32
King of Kings 2.562433     68%
22.5/33
65%
20/31
  38%
12/32
Eeyore 1.52 64-bit2426     75%
9/12
79%
9.5/12
   
Gaia 3.5 64-bit2425     100%
1/1
 73%
23.5/32
55%
17.5/32
42%
20/48
Nejmet 3.072425     100%
1/1
  71%
22/31
30%
9.5/32
Dragon 4.62419     50%
0.5/1
  62%
20/32
38%
12/32
Hussar 0.42418     82%
9/11
82%
9/11
   
NameEloFrancesca
MAD
0.23
64-bit
Francesca
MAD
0.24
64-bit
Francesca
MAD
0.22
64-bit
Francesca
MAD
0.21
64-bit
Francesca
MAD
0.20
64-bit
Francesca
MAD
0.19
Francesca
MAD
0.18
Francesca
MAD
0.15
Francesca
MAD
0.16
Francesca
MAD
0.13
Nobook
Snitch 1.6.2 32-bit2418     0%
0/1
   44%
14/32
Typhoon 1.00-3582414     77%
8.5/11
58%
7/12
   
KnightDreamer 3.32394     100%
1/1
   50%
15.5/31
PostModernist 10162389  75%
1.5/2
      49%
17.5/36
Leila 0.53h2387     100%
2/2
   52%
16.5/32
Amy 0.87b2385     72%
23/32
68%
21/31
  52%
16.5/32
Diablo 0.5.12385     50%
0.5/1
   52%
44.5/86
Gosu 0.162382     100%
1/1
   51%
57.5/112
Comet B682377   100%
1/1
     53%
17/32
Beowulf 2.4a 32-bit2203  100%
2/2
  100%
1/1
    
Lime 662143  100%
2/2
  100%
1/1
    
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

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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  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 June 15, 2019