CCRL Blitz
Downloads and Statistics
March 28, 2020
Testing summary:
Total: 2'228'724 games
played by 2'613 programs

White wins: 860'514 (38.6%)
Black wins: 693'382 (31.1%)
Draws: 674'828 (30.3%)
White score: 53.7%

Custom engine selection

Comparing 14 engines!
14 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 March 28, 2020 with Bayeselo based on 2'228'724 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+
1Zevra 2.1.2 r248 64-bit2427+19−1951.0%−10.222.4%990 
86.3%
 Zevra 2.0 r172 64-bit2407+31−3066.7%−123.220.1%413
93.7%
 Zevra 2.1.1 r216 64-bit2379+18−1844.1%+44.220.9%1187
100.0%
 Zevra 1.8.6 r672 64-bit2303+18−1847.9%+15.225.2%1137
96.9%
 Zevra 1.8.5 r664 64-bit2274+25−2557.9%−59.224.5%567
99.9%
 Zevra 1.8.4 r650 64-bit2220+20−2045.5%+36.522.4%897
62.9%
 Zevra 1.8.3 r636 64-bit2215+20−2052.0%−14.520.4%894
99.9%
 Zevra 1.8.1 r594 64-bit2153+32−3167.9%−132.917.8%410
100.0%
 Zevra 1.6.1 r512 64-bit1954+20−2048.9%+7.823.9%884
85.8%
 Zevra 1.6.1 r5136 64-bit1934+30−3046.9%+23.826.6%384
98.1%
 Zevra 1.5 r446 64-bit1891+28−2854.0%−30.817.5%475
82.7%
 Zevra 1.6 r4971871+31−3145.5%+32.519.8%379
100.0%
 Zevra 1.31 r3401768+26−2649.3%+4.721.5%543
75.7%
 Zevra 1.21 r2901754+28−2837.6%+91.227.1%458
 

Results matrix

Custom engine selection
#NameElo1234567891011121314
1Zevra 2.1.2 r248 64-bit2427              
2Zevra 2.0 r172 64-bit2407              
3Zevra 2.1.1 r216 64-bit2379              
4Zevra 1.8.6 r672 64-bit2303              
5Zevra 1.8.5 r664 64-bit2274              
6Zevra 1.8.4 r650 64-bit2220              
7Zevra 1.8.3 r636 64-bit2215              
8Zevra 1.8.1 r594 64-bit2153              
9Zevra 1.6.1 r512 64-bit1954              
10Zevra 1.6.1 r5136 64-bit1934              
11Zevra 1.5 r446 64-bit1891              
12Zevra 1.6 r4971871              
13Zevra 1.31 r3401768              
14Zevra 1.21 r2901754              
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
#NameElo1234567891011121314
1Zevra 2.1.2 r248 64-bit2427 86.3100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Zevra 2.0 r172 64-bit240713.7 93.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Zevra 2.1.1 r216 64-bit23790.06.3 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Zevra 1.8.6 r672 64-bit23030.00.00.0 96.9100.0100.0100.0100.0100.0100.0100.0100.0100.0
5Zevra 1.8.5 r664 64-bit22740.00.00.03.1 99.9100.0100.0100.0100.0100.0100.0100.0100.0
6Zevra 1.8.4 r650 64-bit22200.00.00.00.00.1 62.9100.0100.0100.0100.0100.0100.0100.0
7Zevra 1.8.3 r636 64-bit22150.00.00.00.00.037.1 99.9100.0100.0100.0100.0100.0100.0
8Zevra 1.8.1 r594 64-bit21530.00.00.00.00.00.00.1 100.0100.0100.0100.0100.0100.0
9Zevra 1.6.1 r512 64-bit19540.00.00.00.00.00.00.00.0 85.8100.0100.0100.0100.0
10Zevra 1.6.1 r5136 64-bit19340.00.00.00.00.00.00.00.014.2 98.199.8100.0100.0
11Zevra 1.5 r446 64-bit18910.00.00.00.00.00.00.00.00.01.9 82.7100.0100.0
12Zevra 1.6 r49718710.00.00.00.00.00.00.00.00.00.217.3 100.0100.0
13Zevra 1.31 r34017680.00.00.00.00.00.00.00.00.00.00.00.0 75.7
14Zevra 1.21 r29017540.00.00.00.00.00.00.00.00.00.00.00.024.3 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567891011121314
1Zevra 2.1.2 r248 64-bit2427 0130000600000000
2Zevra 2.0 r172 64-bit24070 02701383761670000000
3Zevra 2.1.1 r216 64-bit237913000 630600000000
4Zevra 1.8.6 r672 64-bit2303027063 82211640000000
5Zevra 1.8.5 r664 64-bit22740138082 5492483000000
6Zevra 1.8.4 r650 64-bit222063766211549 5330000000
7Zevra 1.8.3 r636 64-bit22150167064248533 0000000
8Zevra 1.8.1 r594 64-bit21530000300 30730059033
9Zevra 1.6.1 r512 64-bit19540000000307 2462383610236
10Zevra 1.6.1 r5136 64-bit19340000000300246 1145800
11Zevra 1.5 r446 64-bit1891000000059238114 237157246
12Zevra 1.6 r49718710000000036158237 0161
13Zevra 1.31 r340176800000003001570 394
14Zevra 1.21 r2901754000000032360246161394 
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
#NameElo1234567891011121314
1Zevra 2.1.2 r248 64-bit2427 0.059.70.00.00.30.00.00.00.00.00.00.00.0
2Zevra 2.0 r172 64-bit24070.0 0.017.414.128.712.80.00.00.00.00.00.00.0
3Zevra 2.1.1 r216 64-bit237959.70.0 2.70.00.30.00.00.00.00.00.00.00.0
4Zevra 1.8.6 r672 64-bit23030.017.42.7 4.810.43.20.00.00.00.00.00.00.0
5Zevra 1.8.5 r664 64-bit22740.014.10.04.8 37.517.00.30.00.00.00.00.00.0
6Zevra 1.8.4 r650 64-bit22200.328.70.310.437.5 29.80.00.00.00.00.00.00.0
7Zevra 1.8.3 r636 64-bit22150.012.80.03.217.029.8 0.00.00.00.00.00.00.0
8Zevra 1.8.1 r594 64-bit21530.00.00.00.00.30.00.0 23.737.86.70.00.30.3
9Zevra 1.6.1 r512 64-bit19540.00.00.00.00.00.00.023.7 19.417.528.60.017.6
10Zevra 1.6.1 r5136 64-bit19340.00.00.00.00.00.00.037.819.4 13.37.60.00.0
11Zevra 1.5 r446 64-bit18910.00.00.00.00.00.00.06.717.513.3 27.815.426.4
12Zevra 1.6 r49718710.00.00.00.00.00.00.00.028.67.627.8 0.019.2
13Zevra 1.31 r34017680.00.00.00.00.00.00.00.30.00.015.40.0 39.4
14Zevra 1.21 r29017540.00.00.00.00.00.00.00.317.60.026.419.239.4 
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 78 common opponents

Custom engine selection
NameEloZevra
2.1.2
r248
64-bit
Zevra
2.0
r172
64-bit
Zevra
2.1.1
r216
64-bit
Zevra
1.8.6
r672
64-bit
Zevra
1.8.5
r664
64-bit
Zevra
1.8.4
r650
64-bit
Zevra
1.8.3
r636
64-bit
Zevra
1.8.1
r594
64-bit
Zevra
1.6.1
r512
64-bit
Zevra
1.6.1
r5136
64-bit
Zevra
1.5
r446
64-bit
Zevra
1.6
r497
Zevra
1.31
r340
Zevra
1.21
r290
Anatoli 0.35k245542%
13.5/32
 52%
16.5/32
           
LittleThought 1.052 64-bit245352%
16.5/32
 47%
15/32
           
Matacz 1.4244647%
15/32
 55%
17.5/32
           
Lozza 1.18 64-bit244542%
13.5/32
 44%
14/32
           
Ares 1.005.2 64-bit244150%
15.5/31
 33%
10.5/32
           
SpiderChess 070603244055%
17.5/32
 44%
14/32
           
Abrok 5.0243656%
18/32
 34%
11/32
           
MadChess 2.2 64-bit243661%
19.5/32
 42%
13.5/32
           
King of Kings 2.56243455%
17.5/32
 52%
16/31
           
LambChop 10.99243455%
17.5/32
 50%
16/32
           
Nemeton 1.82433  48%
15.5/32
37%
11.5/31
          
Eeyore 1.52 64-bit242850%
16/32
 62%
20/32
           
Gaia 3.5 64-bit242547%
14.5/31
 33%
12/36
           
Nejmet 3.07242553%
17/32
 39%
13.5/35
           
Hussar 0.4242142%
13.5/32
 39%
13.5/35
  100%
1/1
        
Dragon 4.6241859%
19/32
 53%
18.5/35
  50%
0.5/1
        
RomiChess P3n 64-bit241450%
16/32
 44%
13.5/31
           
Simplex 0.9.8 64-bit241052%
16.5/32
 36%
12.5/35
           
Ifrit m1.8 64-bit240559%
19/32
 44%
15.5/35
           
Taltos rev118 64-bit240453%
17/32
 50%
16/32
           
NameEloZevra
2.1.2
r248
64-bit
Zevra
2.0
r172
64-bit
Zevra
2.1.1
r216
64-bit
Zevra
1.8.6
r672
64-bit
Zevra
1.8.5
r664
64-bit
Zevra
1.8.4
r650
64-bit
Zevra
1.8.3
r636
64-bit
Zevra
1.8.1
r594
64-bit
Zevra
1.6.1
r512
64-bit
Zevra
1.6.1
r5136
64-bit
Zevra
1.5
r446
64-bit
Zevra
1.6
r497
Zevra
1.31
r340
Zevra
1.21
r290
Giraffe 20161023 64-bit237155%
17.5/32
 58%
21.5/37
           
Amateur 2.822352   45%
14.5/32
 33%
8/24
        
Isa 2.0.64 64-bit2318 65%
15.5/24
 48%
9.5/20
          
Aice 0.99.22316 60%
14.5/24
 48%
15.5/32
 21%
5/24
        
Sungorus 1.4 64-bit2314 52%
12.5/24
 45%
14.5/32
          
Asterisk 0.62308 66%
16.5/25
   40%
8.5/21
        
Averno 0.812307 62%
15.5/25
 48%
15.5/32
          
KnightX 1.922297 70%
17.5/25
 58%
18.5/32
          
Rival 1.0.1 64-bit2276   55%
17.5/32
 100%
1/1
        
Natwarlal 0.142261   61%
19.5/32
52%
26/50
         
FireFly 2.7.2 64-bit2253   61%
19.5/32
 49%
32.5/67
        
Napoleon 1.8 64-bit2251   58%
18.5/32
  38%
12/32
       
Robocide 20170718 64-bit2237     50%
33.5/67
44%
14/32
       
Ant 2006-F2236    54%
27.5/51
61%
19/31
        
Anechka 0.082235    63%
32/51
57%
38.5/68
60%
18/30
       
GopherCheck 0.2.3 64-bit2235 85%
20.5/24
   54%
35.5/66
55%
17/31
       
AliChess 4.252229    44%
22/50
46%
31.5/68
45%
14.5/32
       
Joker2 0.7.7 64-bit2223 71%
17/24
   43%
28.5/67
        
Adam 3.32220 73%
17.5/24
  71%
35.5/50
46%
31/68
41%
13/32
       
RamJet 0.132220 67%
16/24
    48%
15.5/32
       
NameEloZevra
2.1.2
r248
64-bit
Zevra
2.0
r172
64-bit
Zevra
2.1.1
r216
64-bit
Zevra
1.8.6
r672
64-bit
Zevra
1.8.5
r664
64-bit
Zevra
1.8.4
r650
64-bit
Zevra
1.8.3
r636
64-bit
Zevra
1.8.1
r594
64-bit
Zevra
1.6.1
r512
64-bit
Zevra
1.6.1
r5136
64-bit
Zevra
1.5
r446
64-bit
Zevra
1.6
r497
Zevra
1.31
r340
Zevra
1.21
r290
CT800 1.20 64-bit2218     45%
13.5/30
55%
17.5/32
       
Exacto 0.e 64-bit2217 98%
21.5/22
  47%
22.5/48
47%
30/64
        
Madeleine 0.22183    50%
0.5/1
 52%
16.5/32
       
Gunborg 1.35 64-bit2069    100%
1/1
  52%
14.5/28
      
Little Wing 0.4.0 64-bit2017       70%
19.5/28
48%
15/31
     
Leonidas 83 64-bit2007       71%
20/28
 43%
12.5/29
    
Gullydeckel 2.16pl11993       70%
21/30
45%
14/31
     
Arabian Knight 1.551990       100%
1/1
 40%
12/30
    
BigLion 2.23x1988       72%
21.5/30
44%
14/32
     
Bubble 1.51988       77%
23/30
 40%
12/30
    
Embla 1.0.1 64-bit1988        44%
14/32
37%
11/30
    
SSEChessII 2.05 DC1968       78%
23.5/30
45%
14.5/32
63%
19/30
    
La Dame Blanche 2.0c1967       80%
24/30
 42%
12.5/30
    
Eia 0.31962       65%
19.5/30
47%
14/30
47%
14/30
38%
11/29
   
Mustang 4.971958       100%
1/1
48%
13.5/28
    17%
8.5/49
Chess4j 3.2 64-bit1957        55%
17.5/32
53%
16/30
    
JanWillem 1.131952        67%
21.5/32
  40%
12/30
  
Smash 1.0.31925           47%
13.5/29
 0%
0/1
IACH 0.56z1919        52%
15/29
 53%
16/30
   
Embla 0.9.9 64-bit1917        57%
17/30
 42%
12.5/30
   
NameEloZevra
2.1.2
r248
64-bit
Zevra
2.0
r172
64-bit
Zevra
2.1.1
r216
64-bit
Zevra
1.8.6
r672
64-bit
Zevra
1.8.5
r664
64-bit
Zevra
1.8.4
r650
64-bit
Zevra
1.8.3
r636
64-bit
Zevra
1.8.1
r594
64-bit
Zevra
1.6.1
r512
64-bit
Zevra
1.6.1
r5136
64-bit
Zevra
1.5
r446
64-bit
Zevra
1.6
r497
Zevra
1.31
r340
Zevra
1.21
r290
Eagle 0.7.51913        43%
13/30
  47%
13.5/29
 35%
16/46
Dabbaba 7.491909        58%
17.5/30
    31%
15.5/50
Warrior 1.0.31908        57%
17/30
 38%
11.5/30
33%
10/30
  
Clueless 1.41904        65%
19.5/30
  48%
14.5/30
  
Morphy 3.221903        43%
13/30
  52%
15.5/30
  
SnailChess 4.0131896        55%
16.5/30
  50%
15/30
 50%
0.5/1
MrChess 2.11884          47%
14/30
43%
13/30
 33%
16.5/50
Purple Haze 2.1.01884          58%
17.5/30
58%
17.5/30
  
Roce 0.03901854          60%
18/30
  0%
0/1
Deepov 0.4.1 64-bit1851         64%
18/28
48%
13/27
52%
15.5/30
  
HeavyChess 0.13 beta1833          62%
18.5/30
  100%
1/1
Celes 0.77c1824          50%
15/30
  54%
27/50
Beaches 2.321802            52%
25.5/49
47%
23.5/50
Enigma 1.1.41790            58%
29/50
35%
17/48
Embracer 1.121786       100%
1/1
    53%
26.5/50
 
Pulsar 2009-9b1770          57%
16.5/29
 53%
26/49
 
Robin 0.9831762          85%
25.5/30
 46%
22.5/49
42%
21/50
Lodocase 2402081760            44%
22/50
47%
22.5/48
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%

Alter engine selection



Alter output selection

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 March 28, 2020