CCRL 40/4
Downloads and Statistics
October 12, 2019
Testing summary:
Total: 2'115'766 games
played by 2'468 programs
28564 CPU days (X2 4600+)

White wins: 821'094 (38.8%)
Black wins: 663'997 (31.4%)
Draws: 630'675 (29.8%)
White score: 53.7%

Custom engine selection

Comparing 11 engines!
11 selected engines played 10 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 CPU.
Computed on October 12, 2019 with Bayeselo based on 2'115'766 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+
1Delphil 2.9f2482+36−3729.0%+165.322.6%310 
67.2%
 Delphil 3.1 64-bit2472+24−2443.2%+45.627.9%599
93.1%
 Delphil 2.82451+14−1449.5%+2.925.8%1873
97.3%
 Delphil 3.2 64-bit2431+14−1441.9%+58.228.1%1817
69.2%
 Delphil 3.0 64-bit2423+30−3036.9%+92.228.5%383
51.7%
 Delphil 2.72422+26−2649.1%+2.026.9%572
63.0%
 Delphil 2.6c2415+33−3352.2%−14.023.6%364
50.2%
 Delphil 2.9g 64-bit2415+22−2237.7%+87.225.0%769
53.0%
 Delphil 1.9c2414+14−1448.6%+10.229.0%1794
56.2%
 Delphil 2.6a2412+16−1648.4%+13.027.0%1378
52.9%
 Delphil 1.82411+16−1648.4%+12.327.3%1496
 

Results matrix

Custom engine selection
#NameElo1234567891011
1Delphil 2.9f2482           
2Delphil 3.1 64-bit2472           
3Delphil 2.82451           
4Delphil 3.2 64-bit2431           
5Delphil 3.0 64-bit2423           
6Delphil 2.72422      4 − 6
+1−3=6
−62
    
7Delphil 2.6c2415     6 − 4
+3−1=6
+62
     
8Delphil 2.9g 64-bit2415           
9Delphil 1.9c2414           
10Delphil 2.6a2412           
11Delphil 1.82411           
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
#NameElo1234567891011
1Delphil 2.9f2482 67.294.099.499.299.599.699.9100.0100.0100.0
2Delphil 3.1 64-bit247232.8 93.199.899.399.799.7100.0100.0100.0100.0
3Delphil 2.824516.06.9 97.395.097.297.699.7100.0100.0100.0
4Delphil 3.2 64-bit24310.60.22.7 69.273.481.689.395.796.096.9
5Delphil 3.0 64-bit24230.80.75.030.8 51.763.466.169.972.774.4
6Delphil 2.724220.50.32.826.648.3 63.065.870.373.475.3
7Delphil 2.6c24150.40.32.418.436.637.0 50.252.456.057.8
8Delphil 2.9g 64-bit24150.10.00.310.733.934.249.8 53.057.760.1
9Delphil 1.9c24140.00.00.04.330.129.747.647.0 56.259.3
10Delphil 2.6a24120.00.00.04.027.226.644.042.343.8 52.9
11Delphil 1.824110.00.00.03.125.624.742.239.940.747.1 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567891011
1Delphil 2.9f2482 600585200169000
2Delphil 3.1 64-bit247260 230444180183173240240180210
3Delphil 2.824510230 935314512242683147412681320
4Delphil 3.2 64-bit243158444935 578201234921683552594
5Delphil 3.0 64-bit242352180314578 8790590375312365
6Delphil 2.72422018351220187 521129327297297
7Delphil 2.6c2415017324223490521 132404357360
8Delphil 2.9g 64-bit2415169240683921590129132 420298349
9Delphil 1.9c241402401474683375327404420 25412738
10Delphil 2.6a2412018012685523122973572982541 2472
11Delphil 1.824110210132059436529736034927382472 
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
#NameElo1234567891011
1Delphil 2.9f2482 6.60.02.77.50.00.015.70.00.00.0
2Delphil 3.1 64-bit24726.6 9.318.418.315.618.017.510.09.110.0
3Delphil 2.824510.09.3 25.313.920.910.825.940.239.039.2
4Delphil 3.2 64-bit24312.718.425.3 26.38.410.735.618.917.317.9
5Delphil 3.0 64-bit24237.518.313.926.3 9.112.051.217.217.719.4
6Delphil 2.724220.015.620.98.49.1 55.79.613.815.214.4
7Delphil 2.6c24150.018.010.810.712.055.7 11.718.720.519.4
8Delphil 2.9g 64-bit241515.717.525.935.651.29.611.7 16.413.915.4
9Delphil 1.9c24140.010.040.218.917.213.818.716.4 80.183.2
10Delphil 2.6a24120.09.139.017.317.715.220.513.980.1 86.0
11Delphil 1.824110.010.039.217.919.414.419.415.483.286.0 
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 100 common opponents

Custom engine selection
NameEloDelphil
2.9f
Delphil
3.1
64-bit
Delphil
2.8
Delphil
3.2
64-bit
Delphil
3.0
64-bit
Delphil
2.7
Delphil
2.6c
Delphil
2.9g
64-bit
Delphil
1.9c
Delphil
2.6a
Delphil
1.8
Bobcat 2.75 64-bit2676  21%
2.5/12
  20%
4.5/22
     
Cyrano 0.6b17 64-bit2642        18%
5.5/30
18%
5.5/30
20%
6/30
Deuterium 11.01.28.1592637  50%
6/12
  15%
1.5/10
     
Amyan 1.722604 35%
3.5/10
33%
4/12
100%
1/1
 30%
3/10
23%
3.5/15
 27%
8/30
18%
5.5/30
25%
7.5/30
Pharaon 3.5.12604     20%
2/10
20%
3/15
    
N2 0.4 64-bit2590 35%
3.5/10
29%
3.5/12
  35%
3.5/10
     
CuckooChess 1.12 64-bit2583 40%
4/10
42%
5/12
        
Francesca MAD 0.192581 25%
2.5/10
38%
4.5/12
0%
0/1
       
Pseudo 0.7c2576 15%
1.5/10
   20%
2/10
17%
2.5/15
    
SOS 5.12574 45%
4.5/10
   40%
4/10
39%
5.5/14
    
Atlas 3.25 64-bit257025%
5/20
      29%
12/41
   
Aristarch 4.502567 60%
6/10
 39%
12.5/32
  30%
4.5/15
 27%
8/30
33%
10/30
32%
9.5/30
Petir 4.9999992556 45%
4.5/10
 32%
11/34
   24%
7/29
28%
9/32
  
The Baron 2.23 64-bit2555 40%
4/10
 36%
11.5/32
36%
11.5/32
  25%
7/28
39%
12.5/32
25%
8/32
30%
9/30
Philou 3.602551  38%
4.5/12
  42%
8.5/20
20%
2/10
    
nanoSzachy 4.0 64-bit254342%
8.5/20
35%
3.5/10
 34%
11/32
34%
11/32
  36%
14.5/40
   
Hermann 2.6 64-bit2540  38%
4.5/12
  45%
4.5/10
     
Ufim 8.022540 15%
1.5/10
48%
15.5/32
31%
10/32
31%
10/32
40%
4/10
 37%
11/30
34%
11/32
 40%
10/25
AnMon 5.752539 45%
4.5/10
 31%
10/32
23%
7.5/32
28%
2.5/9
40%
6/15
35%
10.5/30
24%
7/29
18%
5.5/30
40%
12/30
Ghost 3 64-bit2538 47%
7.5/16
 100%
1/1
       
NameEloDelphil
2.9f
Delphil
3.1
64-bit
Delphil
2.8
Delphil
3.2
64-bit
Delphil
3.0
64-bit
Delphil
2.7
Delphil
2.6c
Delphil
2.9g
64-bit
Delphil
1.9c
Delphil
2.6a
Delphil
1.8
Rodin 5.12538  36%
11.5/32
    34%
14/41
   
Pupsi2 0.09253742%
17/40
40%
4/10
 25%
0.5/2
       
DanaSah 4.882534   32%
10/31
   46%
13/28
   
Hermann 2.8 64-bit2531 40%
4/10
54%
6.5/12
29%
9.5/33
 39%
5.5/14
36%
5/14
41%
11.5/28
   
Pepito 1.59.2 64-bit2522 25%
2.5/10
 39%
12.5/32
28%
9/32
  33%
9/27
   
Dirty 6J-222513        41%
12/29
28%
7.5/27
41%
11.5/28
Hakkapeliitta 1.0 64-bit2513 40%
12.5/31
 47%
14/30
       
Hermann 2.5 64-bit2513        33%
10/30
35%
10.5/30
47%
14/30
Green Light Chess 3.01.2.22505  38%
12/32
27%
8.5/32
34%
10.5/31
  26%
7.5/29
41%
12/29
35%
10.5/30
43%
12.5/29
Little Goliath Evolution 3.122505  47%
14.5/31
39%
12.5/32
41%
13/32
  41%
12/29
25%
7.5/30
33%
10/30
27%
8/30
Yace 0.99.872504 40%
4/10
29%
8/28
44%
14.5/33
39%
12.5/32
35%
3.5/10
53%
8/15
35%
11/31
   
Trace 1.37a2500  34%
11/32
40%
13.5/34
47%
15/32
  31%
9/29
45%
14.5/32
40%
12.5/31
35%
10.5/30
Pepito 1.59 32-bit2493  38%
12/32
     32%
9.5/30
40%
11.5/29
43%
13/30
Bruja 1.9.1 64-bit2491        42%
12.5/30
38%
11.5/30
47%
14/30
GreKo 9.7 64-bit248762%
12.5/20
      40%
11.5/29
   
Tao 5.62486 55%
5.5/10
58%
18.5/32
  25%
2.5/10
     
Murka 2 64-bit2482  42%
13.5/32
    35%
14.5/41
   
BBChess 1.3b 64-bit2480 15%
1.5/10
 42%
11/26
       
Cheese 1.4 64-bit2477  52%
16.5/32
    25%
2.5/10
   
Mephisto Gideon Professional2474    50%
16/32
  40%
4/10
   
NameEloDelphil
2.9f
Delphil
3.1
64-bit
Delphil
2.8
Delphil
3.2
64-bit
Delphil
3.0
64-bit
Delphil
2.7
Delphil
2.6c
Delphil
2.9g
64-bit
Delphil
1.9c
Delphil
2.6a
Delphil
1.8
Cerebro 3.03d2472 75%
7.5/10
      44%
14/32
42%
12.5/30
52%
15.5/30
Kiwi 0.6d 64-bit2470 40%
4/10
38%
12/32
50%
1/2
    57%
17/30
65%
19.5/30
48%
14.5/30
Dorky 4.3 64-bit2467  71%
8.5/12
    48%
9.5/20
   
pikoSzachy 4.02456  64%
20.5/32
    20%
2/10
   
LittleThought 1.052 64-bit2452  50%
16/32
12%
0.5/4
       
Philou 3.14.12450        53%
17/32
45%
13.5/30
38%
11/29
Counter 1.22447  45%
14.5/32
  55%
5.5/10
  50%
15/30
38%
11.5/30
40%
12/30
nanoSzachy 3.82447        43%
13/30
50%
15/30
27%
8/30
Matacz 1.3 HT742443        33%
10/30
40%
12/30
58%
17.5/30
SpiderChess 0706032439  62%
20/32
100%
1/1
 60%
6/10
  59%
19/32
43%
13/30
47%
14.5/31
Abrok 5.02436     45%
4.5/10
70%
10.5/15
 45%
13.5/30
53%
16/30
37%
11/30
Atlas 3.14b 64-bit2436  58%
7/12
  56%
9.5/17
     
King of Kings 2.562434  53%
17/32
100%
1/1
    43%
13/30
45%
13.5/30
33%
10/30
LambChop 10.992434  52%
16/31
44%
14.5/33
    61%
19.5/32
50%
16/32
43%
13/30
Eeyore 1.52 64-bit2427  50%
6/12
52%
16.5/32
   55%
5.5/10
   
Gaia 3.5 64-bit2425  45%
14.5/32
39%
13.5/35
 60%
6/10
     
Nejmet 3.072425  44%
13.5/31
52%
17/33
 55%
5.5/10
43%
6.5/15
    
Ares 1.005 64-bit2424 56%
17.5/31
 50%
15.5/31
       
Quark 2.352423  44%
14/32
50%
16/32
       
Hussar 0.42420  58%
7/12
56%
18.5/33
   38%
7.5/20
   
NameEloDelphil
2.9f
Delphil
3.1
64-bit
Delphil
2.8
Delphil
3.2
64-bit
Delphil
3.0
64-bit
Delphil
2.7
Delphil
2.6c
Delphil
2.9g
64-bit
Delphil
1.9c
Delphil
2.6a
Delphil
1.8
Snitch 1.6.2 32-bit2419  52%
16.5/32
0%
0/1
       
Dragon 4.62418  55%
17/31
45%
14.5/32
    48%
15.5/32
37%
11/30
47%
14/30
RomiChess P3L 64-bit2412  66%
21/32
42%
13.5/32
   42%
8.5/20
   
Simplex 0.9.8 64-bit2410  50%
16/32
53%
18/34
       
RomiChess P3k 64-bit2409        53%
17/32
58%
17.5/30
48%
15/31
Ifrit m1.8 64-bit2404   100%
3/3
   65%
13/20
   
OliThink 5.3.2 64-bit2402   62%
20.5/33
   65%
6.5/10
   
Matacz 1.12400        50%
16/32
 54%
13/24
Gaia 3.5 32-bit2395      60%
9/15
 48%
15.5/32
 50%
15/30
PostModernist 10162389  48%
15.5/32
75%
1.5/2
       
Comet B502388  53%
17/32
     39%
12.5/32
  
Leila 0.53h2388  73%
22.5/31
  60%
6/10
  40%
12/30
57%
17/30
58%
17.5/30
Amy 0.87b2386  66%
20.5/31
50%
0.5/1
    62%
18.5/30
50%
15/30
66%
19/29
Diablo 0.5.12385  66%
21/32
50%
0.5/1
    62%
18.5/30
67%
20/30
63%
19/30
Gosu 0.162383  59%
19/32
     61%
19.5/32
55%
16.5/30
67%
16/24
Der Bringer 1.92374  44%
14/32
0%
0/1
    44%
14/32
57%
17/30
41%
13/32
Djinn 0.925x2373        47%
15/32
52%
15.5/30
54%
34.5/64
Muse 0.899b2372  61%
19.5/32
  45%
4.5/10
70%
10.5/15
 59%
19/32
58%
17.5/30
50%
15/30
Rodin 3.02366     70%
7/10
  58%
17.5/30
58%
17.5/30
52%
15/29
The Crazy Bishop 00522364  61%
19.5/32
0%
0/1
    55%
16.5/30
47%
14/30
67%
20/30
NameEloDelphil
2.9f
Delphil
3.1
64-bit
Delphil
2.8
Delphil
3.2
64-bit
Delphil
3.0
64-bit
Delphil
2.7
Delphil
2.6c
Delphil
2.9g
64-bit
Delphil
1.9c
Delphil
2.6a
Delphil
1.8
Homer 2.012358  62%
20/32
     60%
17.5/29
54%
14/26
55%
15.5/28
Amateur 2.822352     45%
4.5/10
43%
6/14
  60%
18/30
 
Alex 2.14a 64-bit2348  77%
24.5/32
100%
1/1
       
Horizon 4.42342  65%
20/31
     62%
18.5/30
65%
19.5/30
42%
12.5/30
Arion 1.72333     50%
5/10
77%
11.5/15
 70%
22.5/32
53%
16.5/31
67%
20/30
Cheese 1.22331  67%
21.5/32
     70%
22.5/32
  
Sage 3.532325   25%
0.5/2
    62%
20/32
64%
20.5/32
 
Aice 0.99.22315   0%
0/1
    63%
19/30
70%
21/30
58%
17.5/30
Asterisk 0.62308   50%
0.5/1
    59%
17/29
71%
20.5/29
70%
17.5/25
Joker 1.1.142306  69%
22/32
0%
0/1
    68%
20.5/30
72%
21.5/30
60%
18/30
KnightX 1.922297   100%
1/1
  73%
11/15
 68%
20.5/30
72%
21.5/30
70%
21/30
Ares 1.003a2286        72%
21/29
62%
18.5/30
60%
18/30
Popochin 3.22275        61%
19.5/32
 78%
25/32
Anechka 0.082235   100%
1/1
 75%
7.5/10
70%
10.5/15
 73%
23.5/32
  
Waxman 20102235     67%
6/9
70%
10.5/15
    
AliChess 4.252229     65%
6.5/10
58%
7.5/13
    
EveAnn 1.642223     85%
8.5/10
73%
11/15
    
Adam 3.32220   100%
1/1
 84%
16/19
62%
7.5/12
    
Jazz 444 64-bit2211  100%
12/12
  81%
17/21
77%
17/22
    
Chispa 4.0.32207   50%
0.5/1
     84%
24.5/29
 
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
  (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
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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on October 12, 2019