CCRL 40/4
Downloads and Statistics
May 25, 2019
Testing summary:
Total: 2'025'246 games
played by 2'346 programs
27240 CPU days (X2 4600+)

White wins: 787'989 (38.9%)
Black wins: 636'961 (31.5%)
Draws: 600'296 (29.6%)
White score: 53.7%

Custom engine selection

Comparing 7 engines!
7 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 Intel CPU.
Computed on May 25, 2019 with Bayeselo based on 2'025'246 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+
1Pawny 1.2 64-bit2766+10−1047.8%+14.532.5%3523 
100.0%
 Pawny 1.1 64-bit2674+16−1650.5%−4.231.7%1407
99.5%
 Pawny 1.0 64-bit2647+13−1452.5%−16.427.9%2004
100.0%
 Pawny 0.3.1 64-bit2479+36−3652.2%−16.222.6%274
80.3%
 Pawny 0.3 64-bit2462+13−1347.8%+15.627.1%2206
100.0%
 Pawny 0.2.1 64-bit2412+17−1750.4%−3.623.6%1234
99.3%
 Pawny 0.2 64-bit2384+15−1547.2%+19.622.9%1644
 

Results matrix

Custom engine selection
#NameElo1234567
1Pawny 1.2 64-bit2766       
2Pawny 1.1 64-bit2674       
3Pawny 1.0 64-bit2647   6.5 − 3.5
+5−2=3
−63
   
4Pawny 0.3.1 64-bit2479  3.5 − 6.5
+2−5=3
+63
    
5Pawny 0.3 64-bit2462       
6Pawny 0.2.1 64-bit2412       
7Pawny 0.2 64-bit2384       
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
1Pawny 1.2 64-bit2766 100.0100.0100.0100.0100.0100.0
2Pawny 1.1 64-bit26740.0 99.5100.0100.0100.0100.0
3Pawny 1.0 64-bit26470.00.5 100.0100.0100.0100.0
4Pawny 0.3.1 64-bit24790.00.00.0 80.399.9100.0
5Pawny 0.3 64-bit24620.00.00.019.7 100.0100.0
6Pawny 0.2.1 64-bit24120.00.00.00.10.0 99.3
7Pawny 0.2 64-bit23840.00.00.00.00.00.7 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567
1Pawny 1.2 64-bit2766 7741510000
2Pawny 1.1 64-bit2674774 8780000
3Pawny 1.0 64-bit2647151878 120761120374
4Pawny 0.3.1 64-bit247900120 288770
5Pawny 0.3 64-bit246200761288 16591173
6Pawny 0.2.1 64-bit241200120771659 1168
7Pawny 0.2 64-bit238400374011731168 
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
1Pawny 1.2 64-bit2766 15.72.70.00.00.00.0
2Pawny 1.1 64-bit267415.7 25.70.00.00.00.0
3Pawny 1.0 64-bit26472.725.7 5.318.13.710.3
4Pawny 0.3.1 64-bit24790.00.05.3 11.65.10.0
5Pawny 0.3 64-bit24620.00.018.111.6 48.230.5
6Pawny 0.2.1 64-bit24120.00.03.75.148.2 40.6
7Pawny 0.2 64-bit23840.00.010.30.030.540.6 
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 92 common opponents

Custom engine selection
NameEloPawny
1.2
64-bit
Pawny
1.1
64-bit
Pawny
1.0
64-bit
Pawny
0.3.1
64-bit
Pawny
0.3
64-bit
Pawny
0.2.1
64-bit
Pawny
0.2
64-bit
Spark 1.0 64-bit29260%
0/3
 14%
1/7
    
Spike 1.4 Leiden292150%
0.5/1
 0%
0/14
    
MinkoChess 1.3 64-bit286831%
10/32
 30%
9.5/32
    
Nemo 1.0.1 64-bit285642%
14/33
 21%
1.5/7
    
Laser 1.1 64-bit278938%
11.5/30
34%
11/32
     
Twisted Logic 20090922 64-bit277044%
14/32
30%
9.5/32
     
Frenzee 3.5.19 64-bit276852%
17/33
38%
12/32
43%
6/14
    
Jonny 4.00276244%
27/62
34%
10.5/31
     
BugChess2 1.9 64-bit275964%
20.5/32
39%
12.5/32
     
Tucano 6.00 64-bit275055%
34.5/63
30%
9.5/32
     
Hakkapeliitta 2.0 64-bit2747 28%
9/32
31%
10/32
    
Godel 3.4.9 64-bit274125%
0.5/2
22%
7/32
32%
9.5/30
    
Chronos 1.9.9 64-bit273964%
22.5/35
33%
10.5/32
     
Tucano 5.00 64-bit2701 41%
13/32
32%
10/31
    
Cheese 1.8 64-bit268963%
38.5/61
33%
10.5/32
     
Delfi 5.4268464%
21/33
50%
16/32
     
RedQueen 1.1.97 64-bit268075%
24/32
41%
13/32
     
Djinn 1.021 64-bit2678100%
1/1
45%
14.5/32
52%
16.5/32
    
Cheese 1.7 64-bit2655 59%
19/32
64%
20.5/32
    
Nebula 2.0 64-bit265567%
2/3
50%
16/32
     
NameEloPawny
1.2
64-bit
Pawny
1.1
64-bit
Pawny
1.0
64-bit
Pawny
0.3.1
64-bit
Pawny
0.3
64-bit
Pawny
0.2.1
64-bit
Pawny
0.2
64-bit
Donna 4.0 64-bit2652100%
2/2
55%
17.5/32
     
Alfil 13.1 64-bit2643 65%
20/31
47%
15/32
    
Sjakk 2.2 64-bit2639 47%
15/32
44%
14/32
    
E.T. Chess 13.01.082634100%
1/1
56%
18/32
     
WildCat 8262350%
0.5/1
56%
17.5/31
     
Rodin 7.02613 67%
21.5/32
59%
24/41
    
Rotor 0.8261367%
2/3
53%
17/32
     
Ruffian 2.1.02609 66%
21/32
48%
15.5/32
    
Jellyfish 1.1 64-bit2607 48%
15.5/32
64%
20.5/32
    
NoraGrace 2.0 64-bit2606 45%
14/31
58%
18.5/32
    
Amyan 1.722604  55%
23/42
 42%
5/12
  
Pharaon 3.5.12604100%
1/1
67%
21.5/32
47%
15/32
    
GarboChess 2.10 64-bit2598 66%
21/32
59%
19/32
    
GNU Chess 5.07.173b 64-bit2597  62%
20/32
 29%
3.5/12
  
N2 0.4 64-bit2590  40%
4/10
 38%
4.5/12
  
Francesca MAD 0.192581  56%
23.5/42
 8%
1/12
  
Atlas 3.25 64-bit2569  48%
15.5/32
30%
3/10
   
Petir 4.9999992555  59%
19/32
 27%
8.5/32
  
The Baron 2.23 64-bit2555  49%
20.5/42
 38%
12/32
 25%
7.5/30
nanoSzachy 4.0 64-bit2543  70%
22.5/32
15%
1.5/10
   
NameEloPawny
1.2
64-bit
Pawny
1.1
64-bit
Pawny
1.0
64-bit
Pawny
0.3.1
64-bit
Pawny
0.3
64-bit
Pawny
0.2.1
64-bit
Pawny
0.2
64-bit
AnMon 5.752539  70%
22.5/32
 22%
7/32
  
Ufim 8.022539  70%
22.5/32
 50%
16/32
 38%
11.5/30
Rodin 5.12538   50%
5/10
42%
13.5/32
  
Hermann 2.8 64-bit2531  64%
20.5/32
 40%
17.5/44
  
GreKo 8.2 64-bit2526  70%
22.5/32
 38%
4.5/12
  
Pepito 1.59.2 64-bit2520  67%
27.5/41
 47%
15/32
  
Rodin 4.02512    45%
20/44
28%
9/32
 
DanaSah 5.002510  80%
8/10
55%
5.5/10
   
DanaSah 4.242506    45%
14/31
31%
10/32
 
Green Light Chess 3.01.2.22505  65%
6.5/10
 45%
14.5/32
 27%
8/30
Little Goliath Evolution 3.122504    48%
15.5/32
37%
11.5/31
35%
10.5/30
Yace 0.99.872503  90%
9/10
 41%
13/32
27%
8.5/32
40%
12/30
Trace 1.37a2500  75%
7.5/10
 36%
11.5/32
34%
10.5/31
36%
10.5/29
GreKo 10.0 64-bit2490  85%
8.5/10
45%
4.5/10
   
Tao 5.62486  75%
7.5/10
   37%
11/30
Murka 2 64-bit2481   45%
4.5/10
53%
17/32
  
Cheese 1.4 64-bit2476   60%
6/10
45%
14.5/32
  
Mephisto Gideon Professional2475   55%
5.5/10
64%
9/14
  
Cerebro 3.03d2471  45%
4.5/10
 55%
17.5/32
45%
14/31
 
Dorky 4.3 64-bit2466   48%
9.5/20
33%
4/12
35%
9.5/27
 
NameEloPawny
1.2
64-bit
Pawny
1.1
64-bit
Pawny
1.0
64-bit
Pawny
0.3.1
64-bit
Pawny
0.3
64-bit
Pawny
0.2.1
64-bit
Pawny
0.2
64-bit
Glass 1.62456     50%
16/32
43%
13/30
pikoSzachy 4.02456   40%
4/10
44%
14/32
  
LittleThought 1.052 64-bit2454    55%
17.5/32
44%
14/32
 
Counter 1.22446    41%
13/32
53%
17/32
35%
10.5/30
nanoSzachy 3.82446    59%
19/32
59%
19/32
 
Matacz 1.42445    45%
14.5/32
34%
11/32
 
SpiderChess 0706032439    56%
17.5/31
50%
16/32
42%
12.5/30
Atlas 3.14b 64-bit2436    50%
22/44
44%
14/32
 
Abrok 5.02434  85%
8.5/10
   42%
12.5/30
LambChop 10.992434    53%
16.5/31
61%
19.5/32
52%
15.5/30
Eeyore 1.52 64-bit2426   45%
4.5/10
62%
7.5/12
  
Gaia 3.5 64-bit2425  100%
10/10
 53%
17/32
55%
17.5/32
45%
13.5/30
Nejmet 3.072425    38%
11.5/30
59%
19/32
 
Quark 2.352422  55%
5.5/10
 56%
18/32
 47%
14/30
Dragon 4.62418    56%
18/32
58%
18.5/32
40%
12/30
Snitch 1.6.2 32-bit2418  75%
7.5/10
   43%
13/30
GreKo 8.0 32-bit2417    64%
20.5/32
45%
14.5/32
 
Hussar 0.42417   50%
5/10
51%
22.5/44
41%
13/32
 
RomiChess P3L 64-bit2411   65%
6.5/10
60%
18/30
  
Simplex 0.9.8 64-bit2410   70%
7/10
72%
23/32
  
NameEloPawny
1.2
64-bit
Pawny
1.1
64-bit
Pawny
1.0
64-bit
Pawny
0.3.1
64-bit
Pawny
0.3
64-bit
Pawny
0.2.1
64-bit
Pawny
0.2
64-bit
RomiChess P3k 64-bit2408    56%
18/32
53%
17/32
 
Leila 0.53h2386    61%
19.5/32
48%
15.5/32
37%
11/30
Amy 0.87b2385    61%
19/31
57%
16.5/29
53%
16/30
Gosu 0.162381    61%
19.5/32
66%
21/32
35%
10.5/30
Patzer 3.802374    45%
14.5/32
 47%
14/30
Der Bringer 1.92373    55%
17.5/32
52%
16.5/32
65%
19.5/30
Djinn 0.925x2372    72%
23/32
41%
13/32
43%
13/30
Muse 0.899b2371    65%
20/31
53%
17/32
45%
13.5/30
The Crazy Bishop 00522363     55%
17/31
59%
17/29
Plisk 0.2.7d 64-bit2340     58%
18/31
42%
12.5/30
Arion 1.72332     50%
16/32
52%
15/29
Sage 3.532325     48%
15.5/32
68%
20.5/30
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
Sort cross-tables by:   Rating   Name
Highlight diagonal of cells wide. (0 to highlight everything)

Reference rating list:
Recalibrate:
  No recalibration (reference and current list are compared as they are)
  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 May 25, 2019