CCRL Blitz
Downloads and Statistics
August 1, 2020
Testing summary:
Total: 2'344'796 games
played by 2'763 programs

White wins: 903'383 (38.5%)
Black wins: 726'503 (31.0%)
Draws: 714'910 (30.5%)
White score: 53.8%

Custom engine selection

Comparing 17 engines!
17 selected engines played 0 games with each other

CCRL Blitz Rating List — Custom engine selection (Quote)

Ponder off, General book up to 12 moves, up to 6 piece EGTB
Time control: From Jan 2020, equivalent to 2'+1" on an Intel i7-4770K. See the "about" page.
Computed on August 1, 2020 with Bayeselo based on 2'344'796 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+
1Igel 2.5.0 64-bit 4CPU3245+24−2452.9%−17.351.0%492 
100.0%
 Igel 2.4.0 64-bit 4CPU3192+19−1948.9%+7.449.8%817
99.6%
 Igel 2.3.1 64-bit 4CPU3159+15−1561.4%−72.244.1%1511
99.2%
 Igel 2.5.0 64-bit3130+18−1845.8%+25.645.1%964
99.8%
 Igel 2.4.0 64-bit3090+20−2052.1%−14.345.8%770
84.9%
 Igel 2.3.1 64-bit3074+22−2258.1%−59.137.8%666
99.7%
 Igel 2.1.0 64-bit 4CPU3030+20−2052.6%−26.343.3%759
99.8%
 Igel 2.2.2 64-bit2987+20−2047.3%+17.944.1%765
100.0%
 Igel 2.0.0 64-bit2925+21−2149.9%−1.138.8%734
100.0%
 Igel 1.8.2 64-bit 4CPU2860+31−3147.8%+13.930.2%348
61.3%
 Igel 1.9.0 64-bit 4CPU2854+25−2642.8%+46.339.1%491
88.3%
 Igel 1.5.1 64-bit 4CPU2830+30−2957.8%−54.626.0%400
84.4%
 Igel 1.9.0 64-bit2809+27−2844.6%+40.727.1%461
99.9%
 Igel 1.8.2 64-bit2759+19−1947.5%+17.227.1%989
100.0%
 Igel 1.5.1 64-bit2713+19−1849.6%+2.628.6%1033
85.7%
 Igel 1.5 64-bit2697+25−2454.6%−32.130.4%559
100.0%
 Igel 1.4 64-bit2634+20−2041.5%+64.122.8%958
 

Results matrix

Custom engine selection
#NameElo1234567891011121314151617
1Igel 2.5.0 64-bit 4CPU3245                 
2Igel 2.4.0 64-bit 4CPU3192                 
3Igel 2.3.1 64-bit 4CPU3159                 
4Igel 2.5.0 64-bit3130                 
5Igel 2.4.0 64-bit3090                 
6Igel 2.3.1 64-bit3074                 
7Igel 2.1.0 64-bit 4CPU3030                 
8Igel 2.2.2 64-bit2987                 
9Igel 2.0.0 64-bit2925                 
10Igel 1.8.2 64-bit 4CPU2860                 
11Igel 1.9.0 64-bit 4CPU2854                 
12Igel 1.5.1 64-bit 4CPU2830                 
13Igel 1.9.0 64-bit2809                 
14Igel 1.8.2 64-bit2759                 
15Igel 1.5.1 64-bit2713                 
16Igel 1.5 64-bit2697                 
17Igel 1.4 64-bit2634                 
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
#NameElo1234567891011121314151617
1Igel 2.5.0 64-bit 4CPU3245 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Igel 2.4.0 64-bit 4CPU31920.0 99.6100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Igel 2.3.1 64-bit 4CPU31590.00.4 99.2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Igel 2.5.0 64-bit31300.00.00.8 99.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
5Igel 2.4.0 64-bit30900.00.00.00.2 84.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
6Igel 2.3.1 64-bit30740.00.00.00.015.1 99.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
7Igel 2.1.0 64-bit 4CPU30300.00.00.00.00.00.3 99.8100.0100.0100.0100.0100.0100.0100.0100.0100.0
8Igel 2.2.2 64-bit29870.00.00.00.00.00.00.2 100.0100.0100.0100.0100.0100.0100.0100.0100.0
9Igel 2.0.0 64-bit29250.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0100.0100.0100.0
10Igel 1.8.2 64-bit 4CPU28600.00.00.00.00.00.00.00.00.0 61.391.299.2100.0100.0100.0100.0
11Igel 1.9.0 64-bit 4CPU28540.00.00.00.00.00.00.00.00.038.7 88.399.0100.0100.0100.0100.0
12Igel 1.5.1 64-bit 4CPU28300.00.00.00.00.00.00.00.00.08.811.7 84.4100.0100.0100.0100.0
13Igel 1.9.0 64-bit28090.00.00.00.00.00.00.00.00.00.81.015.6 99.9100.0100.0100.0
14Igel 1.8.2 64-bit27590.00.00.00.00.00.00.00.00.00.00.00.00.1 100.0100.0100.0
15Igel 1.5.1 64-bit27130.00.00.00.00.00.00.00.00.00.00.00.00.00.0 85.7100.0
16Igel 1.5 64-bit26970.00.00.00.00.00.00.00.00.00.00.00.00.00.014.3 100.0
17Igel 1.4 64-bit26340.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567891011121314151617
1Igel 2.5.0 64-bit 4CPU3245 77911400000000000000
2Igel 2.4.0 64-bit 4CPU3192779 12900000000000000
3Igel 2.3.1 64-bit 4CPU3159114129 9600523288000000000
4Igel 2.5.0 64-bit31300096 5764000191000000000
5Igel 2.4.0 64-bit3090000576 004779600000000
6Igel 2.3.1 64-bit30740004000 0127000000000
7Igel 2.1.0 64-bit 4CPU303000523000 96000000000
8Igel 2.2.2 64-bit29870028819147712796 7026386000000
9Igel 2.0.0 64-bit292500009600702 64870174192000
10Igel 1.8.2 64-bit 4CPU286000000006364 688006464064
11Igel 1.9.0 64-bit 4CPU285400000008687688 000000
12Igel 1.5.1 64-bit 4CPU283000000000000 020913089209
13Igel 1.9.0 64-bit280900000000174000 55800118
14Igel 1.8.2 64-bit275900000000192640209558 957265896
15Igel 1.5.1 64-bit27130000000006401300957 877701
16Igel 1.5 64-bit269700000000000890265877 88
17Igel 1.4 64-bit263400000000064020911889670188 
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
#NameElo1234567891011121314151617
1Igel 2.5.0 64-bit 4CPU3245 59.55.70.00.00.00.00.00.00.00.00.00.00.00.00.00.0
2Igel 2.4.0 64-bit 4CPU319259.5 5.50.00.00.00.00.00.00.00.00.00.00.00.00.00.0
3Igel 2.3.1 64-bit 4CPU31595.75.5 3.90.00.023.012.70.00.00.00.00.00.00.00.00.0
4Igel 2.5.0 64-bit31300.00.03.9 33.224.50.011.00.00.00.00.00.00.00.00.00.0
5Igel 2.4.0 64-bit30900.00.00.033.2 0.00.031.16.40.00.00.00.00.00.00.00.0
6Igel 2.3.1 64-bit30740.00.00.024.50.0 0.08.90.00.00.00.00.00.00.00.00.0
7Igel 2.1.0 64-bit 4CPU30300.00.023.00.00.00.0 6.30.00.00.00.00.00.00.00.00.0
8Igel 2.2.2 64-bit29870.00.012.711.031.18.96.3 46.85.76.80.00.00.00.00.00.0
9Igel 2.0.0 64-bit29250.00.00.00.06.40.00.046.8 5.97.10.014.611.10.00.00.0
10Igel 1.8.2 64-bit 4CPU28600.00.00.00.00.00.00.05.75.9 82.00.00.04.84.60.04.9
11Igel 1.9.0 64-bit 4CPU28540.00.00.00.00.00.00.06.87.182.0 0.00.00.00.00.00.0
12Igel 1.5.1 64-bit 4CPU28300.00.00.00.00.00.00.00.00.00.00.0 0.015.09.19.315.4
13Igel 1.9.0 64-bit28090.00.00.00.00.00.00.00.014.60.00.00.0 38.50.00.08.3
14Igel 1.8.2 64-bit27590.00.00.00.00.00.00.00.011.14.80.015.038.5 47.317.146.0
15Igel 1.5.1 64-bit27130.00.00.00.00.00.00.00.00.04.60.09.10.047.3 55.135.2
16Igel 1.5 64-bit26970.00.00.00.00.00.00.00.00.00.00.09.30.017.155.1 5.8
17Igel 1.4 64-bit26340.00.00.00.00.00.00.00.00.04.90.015.48.346.035.25.8 
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 88 common opponents

Custom engine selection
NameEloIgel
2.5.0
64-bit
4CPU
Igel
2.4.0
64-bit
4CPU
Igel
2.3.1
64-bit
4CPU
Igel
2.5.0
64-bit
Igel
2.4.0
64-bit
Igel
2.3.1
64-bit
Igel
2.1.0
64-bit
4CPU
Igel
2.2.2
64-bit
Igel
2.0.0
64-bit
Igel
1.8.2
64-bit
4CPU
Igel
1.9.0
64-bit
4CPU
Igel
1.5.1
64-bit
4CPU
Igel
1.9.0
64-bit
Igel
1.8.2
64-bit
Igel
1.5.1
64-bit
Igel
1.5
64-bit
Igel
1.4
64-bit
Pedone 2.0 64-bit 4CPU325548%
19.5/41
30%
13/43
               
Wasp 4.0 64-bit 4CPU325456%
23/41
35%
9.5/27
               
Equinox 3.30 64-bit 4CPU325246%
19/41
37%
16/43
               
Chiron 4 64-bit 4CPU324439%
16/41
41%
17.5/43
               
Vajolet2 2.8 64-bit 4CPU322951%
21/41
42%
18/43
               
NirvanaChess 2.4 64-bit 4CPU322359%
24/41
47%
20/43
               
Demolito 2020-01-11 64-bit 4CPU320961%
25/41
 47%
34.5/73
              
Rybka 4.1 64-bit 4CPU320761%
25/41
48%
20.5/43
               
chess22k 1.14 64-bit 4CPU318257%
23.5/41
51%
55/107
               
Nemorino 5.00 64-bit 4CPU318055%
22.5/41
44%
19/43
               
Pedone 2.0 64-bit3176   44%
13.5/31
 37%
18.5/50
           
iCE 4.0 64-bit 4CPU3170 57%
25/44
52%
44.5/85
              
Nemorino 5.00 64-bit3118   34%
11/32
42%
31.5/75
            
Texel 1.07 64-bit3113   52%
16.5/32
48%
35.5/74
            
Hannibal 1.7 64-bit3111   64%
20.5/32
49%
36.5/74
            
Rybka 4.1 64-bit3110   45%
14.5/32
52%
38.5/74
            
chess22k 1.14 64-bit3104   48%
15.5/32
 50%
15.5/31
           
Minic 2.33 64-bit3088   61%
19.5/32
 38%
12/32
           
Protector 1.9.0 64-bit3087   67%
21.5/32
51%
38/75
  25%
8/32
         
Senpai 2.0 64-bit3087   55%
17.5/32
49%
36.5/74
  27%
8.5/31
         
NameEloIgel
2.5.0
64-bit
4CPU
Igel
2.4.0
64-bit
4CPU
Igel
2.3.1
64-bit
4CPU
Igel
2.5.0
64-bit
Igel
2.4.0
64-bit
Igel
2.3.1
64-bit
Igel
2.1.0
64-bit
4CPU
Igel
2.2.2
64-bit
Igel
2.0.0
64-bit
Igel
1.8.2
64-bit
4CPU
Igel
1.9.0
64-bit
4CPU
Igel
1.5.1
64-bit
4CPU
Igel
1.9.0
64-bit
Igel
1.8.2
64-bit
Igel
1.5.1
64-bit
Igel
1.5
64-bit
Igel
1.4
64-bit
Combusken 1.2.0 64-bit3080   64%
20.5/32
 47%
15/32
           
Bobcat 8.0 64-bit 4CPU3057  65%
59/91
   47%
39/83
          
Marvin 3.4.0 64-bit 4CPU3050  69%
62.5/90
   48%
40/83
          
Winter 0.8 64-bit3047   59%
19/32
 53%
17/32
           
SmarThink 1.98 64-bit3044  70%
63.5/91
59%
19/32
   34%
11/32
         
Monolith 2.01 64-bit3041   59%
19/32
 56%
18/32
           
Naum 4.6 64-bit3032    53%
39.5/75
  41%
13/32
         
Deuterium 2019.2.37.73 64-bit3022  65%
60/92
    47%
15/32
         
Hakkapeliitta TCEC v2 64-bit3020  66%
60.5/92
   48%
40.5/84
45%
14.5/32
         
ChessBrainVB 3.742999       45%
14.5/32
42%
13.5/32
        
Rodent IV 022 64-bit2994       48%
15.5/32
36%
11.5/32
        
Hiarcs 142985       59%
19/32
39%
12.5/32
        
Amoeba 3.1 64-bit2984    69%
52/75
  48%
15.5/32
         
PeSTO 2.210 64-bit2980     58%
18/31
 47%
15/32
         
Winter 0.7 64-bit2978    63%
47.5/75
  58%
18.5/32
45%
14.5/32
        
Amoeba 3.0 64-bit2975       55%
17.5/32
25%
8/32
        
SlowChess Blitz Classic 1.4 64-bit2964            28%
5/18
25%
2/8
   
Bobcat 8.0 64-bit2960       52%
16.5/32
50%
16/32
        
Marvin 3.4.0 64-bit2958       61%
19/31
45%
14.5/32
        
Bagatur 1.9 64-bit2951     70%
22.5/32
 61%
19.5/32
         
NameEloIgel
2.5.0
64-bit
4CPU
Igel
2.4.0
64-bit
4CPU
Igel
2.3.1
64-bit
4CPU
Igel
2.5.0
64-bit
Igel
2.4.0
64-bit
Igel
2.3.1
64-bit
Igel
2.1.0
64-bit
4CPU
Igel
2.2.2
64-bit
Igel
2.0.0
64-bit
Igel
1.8.2
64-bit
4CPU
Igel
1.9.0
64-bit
4CPU
Igel
1.5.1
64-bit
4CPU
Igel
1.9.0
64-bit
Igel
1.8.2
64-bit
Igel
1.5.1
64-bit
Igel
1.5
64-bit
Igel
1.4
64-bit
Godel 6.0 64-bit2948       61%
19.5/32
41%
13/32
        
Cheng 4.39 64-bit2943       55%
17.5/32
52%
16.5/32
        
Spark 1.0 64-bit2927       67%
21.5/32
59%
19/32
        
Atlas 3.91 64-bit2923       52%
16/31
58%
18.5/32
42%
13.5/32
40%
22/55
      
MinkoChess 1.3 64-bit 4CPU2911         43%
12/28
43%
21/49
      
Winter 0.5 64-bit2911              29%
9/31
 9%
3/32
Monolith 1.0 64-bit 4CPU2908         39%
12.5/32
41%
23/56
      
Quazar 0.4 64-bit2901         34%
11/32
46%
25.5/55
      
Zurichess Neuchatel 64-bit2901         33%
10.5/32
41%
23/56
      
Daydreamer 2.0.0-pre2 64-bit2892         42%
13.5/32
42%
22.5/54
      
Cheese 2.0 64-bit 4CPU2888         53%
17/32
38%
21.5/56
      
Topple 0.7.2 64-bit2888        55%
17.5/32
   27%
7/26
20%
6.5/32
   
Counter 3.3 64-bit2876        70%
22.5/32
   39%
11/28
34%
11/32
   
Tornado 8.0 64-bit 4CPU2867         30%
9.5/32
54%
29.5/55
      
Gogobello 2.0 64-bit2849            45%
13.5/30
25%
8/32
   
Zappa Mexico II 64-bit2846            48%
13/27
47%
15/32
   
Onno 1.2.70 64-bit2842            48%
14.5/30
38%
12/32
   
Tornado 8.0 64-bit2827            43%
11.5/27
34%
11/32
   
Monolith 1.0 64-bit2818            50%
14/28
41%
13/32
  14%
4.5/32
Rhetoric 1.4.3 64-bit2806         67%
21.5/32
   33%
10.5/32
19%
6/32
 25%
8/32
NameEloIgel
2.5.0
64-bit
4CPU
Igel
2.4.0
64-bit
4CPU
Igel
2.3.1
64-bit
4CPU
Igel
2.5.0
64-bit
Igel
2.4.0
64-bit
Igel
2.3.1
64-bit
Igel
2.1.0
64-bit
4CPU
Igel
2.2.2
64-bit
Igel
2.0.0
64-bit
Igel
1.8.2
64-bit
4CPU
Igel
1.9.0
64-bit
4CPU
Igel
1.5.1
64-bit
4CPU
Igel
1.9.0
64-bit
Igel
1.8.2
64-bit
Igel
1.5.1
64-bit
Igel
1.5
64-bit
Igel
1.4
64-bit
Cheese 2.1 64-bit2805        59%
19/32
   58%
14/24
53%
17/32
   
RuyDos 1.1.9 64-bit2800           50%
20/40
  33%
9/27
  
Octochess r5190 64-bit2780            52%
13.5/26
38%
12/32
  22%
7/32
Bright 0.5c2771             50%
16/32
45%
14.5/32
 33%
10.5/32
Cheese 2.0 64-bit2771              44%
14/32
 42%
13.5/32
Twisted Logic 20090922 64-bit2771             53%
17/32
38%
12/32
 33%
10.5/32
Frenzee 3.5.19 64-bit2770           61%
24.5/40
 53%
17/32
  28%
9/32
Pawny 1.2 64-bit2767             45%
14.5/32
56%
18/32
 31%
10/32
tomitankChess 3.0 64-bit2765             52%
16.5/32
45%
14.5/32
 33%
10.5/32
Jonny 4.002763             48%
15.5/32
39%
12.5/32
 31%
10/32
BugChess2 1.9 64-bit2760             45%
14.5/32
  38%
12/32
Arminius 2018-12-23 64-bit2756             56%
18/32
38%
12/32
 22%
7/32
Chronos 1.9.9 64-bit2739           58%
23/40
 50%
16/32
  50%
16/32
Shield 2.1 64-bit2737             52%
16.5/32
33%
10.5/32
 25%
8/32
Chess Tiger 2007.12713             64%
20.5/32
60%
18.5/31
  
Devel 2.00002713           92%
30.5/33
 52%
16.5/32
42%
12.5/30
48%
27/56
42%
13.5/32
ECE 19.6.6.1 64-bit2701             66%
21/32
67%
21.5/32
  
Donna 4.1 64-bit2696             59%
19/32
52%
16.5/32
57%
32/56
 
Delfi 5.42683             77%
24.5/32
47%
15/32
40%
23/57
 
Djinn 1.021 64-bit2674             77%
24.5/32
56%
18/32
  
NameEloIgel
2.5.0
64-bit
4CPU
Igel
2.4.0
64-bit
4CPU
Igel
2.3.1
64-bit
4CPU
Igel
2.5.0
64-bit
Igel
2.4.0
64-bit
Igel
2.3.1
64-bit
Igel
2.1.0
64-bit
4CPU
Igel
2.2.2
64-bit
Igel
2.0.0
64-bit
Igel
1.8.2
64-bit
4CPU
Igel
1.9.0
64-bit
4CPU
Igel
1.5.1
64-bit
4CPU
Igel
1.9.0
64-bit
Igel
1.8.2
64-bit
Igel
1.5.1
64-bit
Igel
1.5
64-bit
Igel
1.4
64-bit
ECE X3.5 64-bit2669              55%
17.5/32
54%
30.5/57
 
RedQueen 1.1.98 64-bit2667             48%
15.5/32
58%
18.5/32
  
Alaric 7072663              59%
19/32
57%
32.5/57
 
Asymptote 0.5 64-bit2655              58%
18.5/32
64%
36.5/57
 
Nebula 2.0 64-bit2653              66%
21/32
55%
31/56
 
Colossus 2008b2641              58%
18.5/32
61%
35/57
 
Cyrano 0.6b17 64-bit2640              66%
21/32
49%
24/49
 
E.T. Chess 13.01.082634              58%
18.5/32
59%
33.5/57
 
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 August 1, 2020