CCRL 40/15
Downloads and Statistics
February 27, 2021
Testing summary:
Total: 1'220'404 games
played by 2'798 programs

White wins: 419'286 (34.4%)
Black wins: 308'460 (25.3%)
Draws: 492'658 (40.4%)
White score: 54.5%

Custom engine selection

Comparing 7 engines!
7 selected engines played 61 games with each other

CCRL 40/15 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 15 minutes on an Intel i7-4770k.
Computed on February 27, 2021 with Bayeselo based on 1'220'404 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+
1Onno 1.2.70 64-bit 4CPU2932+19−1947.3%+16.748.3%810 
100.0%
 Onno 1.2.70 64-bit2834+16−1648.4%+10.742.8%1254
92.4%
 Onno 1.0 64-bit2817+17−1746.2%+27.541.3%1149
73.4%
 Onno 1.1.1 64-bit2809+20−2146.6%+22.142.5%756
81.1%
 Onno 1.1.1 32-bit2796+18−1845.6%+28.043.4%1011
56.8%
 Onno 1.0 32-bit2794+18−1846.0%+25.747.8%939
76.3%
 Onno 1.2.70 32-bit2785+18−1846.2%+24.947.0%979
 

Results matrix

Custom engine selection
#NameElo1234567
1Onno 1.2.70 64-bit 4CPU2932       
2Onno 1.2.70 64-bit2834       
3Onno 1.0 64-bit2817     36.5 − 24.5
+15−3=43
+29
 
4Onno 1.1.1 64-bit2809       
5Onno 1.1.1 32-bit2796       
6Onno 1.0 32-bit2794  24.5 − 36.5
+3−15=43
−29
    
7Onno 1.2.70 32-bit2785       
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
1Onno 1.2.70 64-bit 4CPU2932 100.0100.0100.0100.0100.0100.0
2Onno 1.2.70 64-bit28340.0 92.497.299.999.9100.0
3Onno 1.0 64-bit28170.07.6 73.495.297.199.5
4Onno 1.1.1 64-bit28090.02.826.6 81.184.995.5
5Onno 1.1.1 32-bit27960.00.14.818.9 56.881.4
6Onno 1.0 32-bit27940.00.12.915.143.2 76.3
7Onno 1.2.70 32-bit27850.00.00.54.518.623.7 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567
1Onno 1.2.70 64-bit 4CPU2932 582070006
2Onno 1.2.70 64-bit283458 298306133135294
3Onno 1.0 64-bit2817207298 55921552472
4Onno 1.1.1 64-bit28090306559 283330146
5Onno 1.1.1 32-bit27960133215283 1218506
6Onno 1.0 32-bit279401355243301218 420
7Onno 1.2.70 32-bit2785629472146506420 
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
1Onno 1.2.70 64-bit 4CPU2932 2.810.60.00.00.00.3
2Onno 1.2.70 64-bit28342.8 12.415.25.96.213.2
3Onno 1.0 64-bit281710.612.4 29.310.025.13.4
4Onno 1.1.1 64-bit28090.015.229.3 16.019.58.4
5Onno 1.1.1 32-bit27960.05.910.016.0 62.525.4
6Onno 1.0 32-bit27940.06.225.119.562.5 21.9
7Onno 1.2.70 32-bit27850.313.23.48.425.421.9 
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
NameEloOnno
1.2.70
64-bit
4CPU
Onno
1.2.70
64-bit
Onno
1.0
64-bit
Onno
1.1.1
64-bit
Onno
1.1.1
32-bit
Onno
1.0
32-bit
Onno
1.2.70
32-bit
Rybka 3 64-bit3046  12%
7/57
8%
1.5/18
   
Rybka 3 32-bit2995    18%
7/38
22%
6.5/30
 
Naum 4.2 64-bit2974 29%
7/24
 24%
7/29
   
Zappa Mexico II 64-bit 4CPU296742%
5/12
 38%
12/32
    
Naum 4 64-bit2954  23%
7.5/32
29%
5.5/19
   
Deep Shredder 12 64-bit2938 38%
1.5/4
 20%
1/5
   
Stockfish 1.6.3 32-bit2932    28%
9.5/34
15%
4.5/30
 
Naum 4 32-bit2929    33%
12.5/38
37%
11/30
 
Shredder 12 32-bit2928 40%
9.5/24
  30%
24.5/82
24%
15/62
38%
11.5/30
Deep Sjeng WC2008 64-bit 4CPU292444%
4/9
 22%
7/32
    
Thinker 5.4c Inert 64-bit 4CPU292253%
17/32
 33%
10.5/32
    
Gull 1.2 64-bit291850%
1/2
50%
1/2
     
Hannibal 1.2 64-bit291450%
3/6
0%
0/2
     
Spike 1.4 Leiden2913 50%
1/2
    0%
0/2
Quazar 0.4 64-bit290475%
6/8
30%
3/10
     
Toga II 1.4.1SE 4CPU290362%
2.5/4
 35%
10.5/30
    
Glaurung 2.2 64-bit 4CPU289425%
0.5/2
 29%
10/34
    
iCE 2.0 64-bit2891 50%
1/2
75%
1.5/2
    
Fritz 122885   75%
1.5/2
43%
14.5/34
28%
8.5/30
23%
7/30
Hiarcs 13.12873 48%
11.5/24
    49%
16.5/34
NameEloOnno
1.2.70
64-bit
4CPU
Onno
1.2.70
64-bit
Onno
1.0
64-bit
Onno
1.1.1
64-bit
Onno
1.1.1
32-bit
Onno
1.0
32-bit
Onno
1.2.70
32-bit
Thinker 5.4d Inert 64-bit2863 55%
11/20
 50%
1/2
   
Stockfish 1.5.1 32-bit2862    35%
12/34
27%
8/30
 
Thinker 5.4c Inert 64-bit2859 40%
9.5/24
52%
16.5/32
47%
8.5/18
   
Thinker 5.4d Inert 32-bit2855    25%
1/4
 38%
15.5/41
Zappa Mexico II 64-bit2852 43%
15.5/36
48%
15.5/32
53%
10/19
   
Fritz 112851  41%
13/32
50%
1/2
 38%
11.5/30
 
Loop M1-T 64-bit 4CPU284865%
20/31
 40%
12.5/31
    
Stockfish 1.4 64-bit2848  56%
18/32
44%
28/64
 42%
13.5/32
 
Thinker 5.4c Inert 32-bit2848    34%
11.5/34
43%
13/30
 
Nemo 1.0.1 64-bit284667%
4/6
46%
22/48
     
Booot 5.1.02843100%
2/2
58%
14/24
    35%
4.5/13
Deep Shredder 11 64-bit2842  45%
14.5/32
34%
5.5/16
   
Deep Sjeng WC2008 64-bit2834 44%
10.5/24
45%
14.5/32
42%
8/19
   
Spark 0.3 64-bit2834 48%
11.5/24
 43%
14.5/34
   
Shredder 112831    48%
14.5/30
48%
14.5/30
 
Deep Junior 11.1a 32-bit2830    75%
1.5/2
 12%
0.5/4
Stockfish 1.4 32-bit2829    45%
38/84
50%
15/30
 
Grapefruit 1.0 32-bit2825 44%
10.5/24
44%
14/32
50%
8/16
42%
15.5/37
40%
12/30
43%
14.5/34
Toga II 1.4.1SE2825   54%
28/52
51%
26.5/52
 62%
2.5/4
Booot 5.02824 56%
13.5/24
    40%
2/5
NameEloOnno
1.2.70
64-bit
4CPU
Onno
1.2.70
64-bit
Onno
1.0
64-bit
Onno
1.1.1
64-bit
Onno
1.1.1
32-bit
Onno
1.0
32-bit
Onno
1.2.70
32-bit
Deep Sjeng WC2008 32-bit2824    37%
14/38
53%
16/30
44%
15/34
Cyclone xTreme2822    48%
14.5/30
 75%
1.5/2
Murka 3 64-bit2822 46%
5.5/12
65%
6.5/10
    
Cyclone xTreme Rage2819    25%
1.5/6
 44%
4/9
Hiarcs 12.12816  48%
15.5/32
44%
8/18
50%
20/40
53%
16/30
 
Toga II 3.1.2SE2813 62%
5/8
    33%
2/6
Hiarcs 12 Sharpen PV On2812  53%
17/32
 37%
11/30
45%
13.5/30
 
Zappa Mexico II 32-bit2808    51%
19.5/38
47%
14/30
85%
8.5/10
Hiarcs 122807  44%
14/32
75%
1.5/2
   
Scorpio 2.7.7 64-bit2803 62%
2.5/4
70%
7/10
    
Cheng4 0.36c 64-bit2797 50%
0.5/1
   60%
6/10
 
Spark 0.3 32-bit2796    62%
20.5/33
60%
18/30
 
Hiarcs Paderborn 20072795  62%
20/32
 50%
1/2
 50%
1/2
Doch 09.980 32-bit2794    45%
13.5/30
55%
16.5/30
 
Atlas 3.70em 64-bit2786 50%
1/2
50%
2/4
    
Texel 1.01 64-bit2785100%
2/2
35%
3.5/10
     
Scorpio 2.7.6 64-bit2780 25%
1/4
65%
6.5/10
    
Jonny 4.002777 71%
17/24
    31%
7.5/24
Bright 0.4a2775  61%
38/62
53%
8.5/16
100%
2/2
62%
18.5/30
 
Naraku 1.42774 75%
1.5/2
   45%
4.5/10
75%
3/4
NameEloOnno
1.2.70
64-bit
4CPU
Onno
1.2.70
64-bit
Onno
1.0
64-bit
Onno
1.1.1
64-bit
Onno
1.1.1
32-bit
Onno
1.0
32-bit
Onno
1.2.70
32-bit
Loop 13.6 (Loop 2007) 32-bit2772    56%
19/34
55%
16.5/30
67%
6/9
Octochess r5190 64-bit2771 75%
1.5/2
60%
6/10
    
Ktulu 92752   78%
12.5/16
50%
1/2
58%
17.5/30
68%
17/25
SmarThink 1.20 32-bit2746   55%
17/31
39%
8.5/22
 43%
3/7
Spike 1.2 Turin2744   50%
8/16
75%
1.5/2
 50%
3/6
Twisted Logic 20100131x 32-bit2735    50%
1/2
 75%
1.5/2
SmarThink 1.10 32-bit2717   59%
9.5/16
 65%
13/20
 
Chess Tiger 2007.12703    75%
1.5/2
 50%
1/2
Chessmaster 11 Conqueror2694     40%
4/10
38%
1.5/4
Crafty 23.2 32-bit2694    100%
2/2
 75%
3/4
Frenzee Feb08 32-bit2694    100%
1/1
 0%
0/1
Chessmaster 11 Toxic2682    75%
1.5/2
 42%
2.5/6
Tornado 4.82 32-bit2681     80%
8/10
75%
1.5/2
Chessmaster 11 Leonidas2679    38%
1.5/4
 55%
5.5/10
MinkoChess 0.8 32-bit2673    50%
1/2
 75%
9/12
Daydreamer 1.75 32-bit2667    75%
1.5/2
 60%
12/20
Movei 00.8.438 (10 10 10)2666    75%
1.5/2
 50%
0.5/1
BugChess2 1.6.4 32-bit2657    75%
1.5/2
 100%
1/1
E.T. Chess 13.01.082649    100%
2/2
 83%
5/6
Colossus 2008b2642    100%
2/2
 75%
3/4
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
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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on February 27, 2021