CCRL 40/2 FRC
Downloads and Statistics
June 21, 2020
Testing summary:
Total: 284'876 games
played by 222 programs

White wins: 115'667 (40.6%)
Black wins: 99'082 (34.8%)
Draws: 70'127 (24.6%)
White score: 52.9%

Free engines

Comparing 173 engines!
64 best versions of selected engines played 45566 games with each other

CCRL 40/2 FRC Rating List — Free engines (Quote)

Ponder off, 5-men EGTB, 128MB hash, 64-bit executables where available, random openings with switched sides
Time control: Equivalent to 40 moves in 2 minutes on an Intel i7-4770k.
Computed on June 21, 2020 with Bayeselo based on 284'876 games
RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
ELO+
1Stockfish 103714+10−1076.5%−187.436.1%3918 
100.0%
 Stockfish 93672+13−1377.3%−214.534.8%2400
83.3%
2Lc0 0.25.0 w591226 GTX10503661+18−1868.4%−129.039.6%1100
91.1%
 Stockfish 1809173645+15−1477.9%−221.733.0%2100
99.8%
 Stockfish 83618+11−1172.7%−181.136.9%3300
100.0%
 Stockfish 2005163564+16−1678.0%−229.827.1%1800
98.8%
3Allie 0.5 nn42850 GTX10503539+12−1251.5%−12.339.1%2230
67.5%
 Stockfish 1503163534+15−1575.2%−199.831.6%1800
89.9%
4Ethereal 12.003521+11−1051.1%−7.440.6%3246
97.6%
 Stockfish 2008153501+15−1571.6%−169.031.6%1800
61.6%
5SlowChess Blitz 2.23497+14−1452.2%−17.936.9%1918
69.5%
 Ethereal 11.753493+11−1153.9%−32.338.9%2800
67.2%
 Allie 0.4 nn42489 GTX10503487+22−2245.5%+30.538.9%736
50.1%
6Fire 7.13487+8−852.7%−28.339.5%6278
99.9%
 Ethereal 11.503466+12−1251.2%−13.337.5%2564
60.4%
 Stockfish 63463+13−1370.9%−161.032.6%2400
100.0%
 SlowChess Blitz 2.13422+12−1239.6%+77.134.8%2450
68.7%
7Komodo 93417+15−1569.8%−152.030.2%1800
57.8%
 Fire 6.13415+12−1249.3%−0.831.5%2920
56.7%
 Stockfish 0405143413+16−1579.7%−245.123.0%2100
99.9%
8Schooner 2.23382+11−1141.8%+56.838.7%2860
86.9%
 Fire 53373+11−1142.6%+51.529.2%3900
79.9%
 SlowChess Blitz 2.03366+11−1149.3%+6.532.8%3062
96.4%
 Stockfish DD3349+15−1574.9%−200.425.0%2100
100.0%
 Stockfish 1609133302+14−1464.6%−117.628.9%2100
92.2%
9Critter 1.6a3292+6−641.8%+61.829.1%16394
91.1%
10Pedone 2.03282+13−1346.7%+23.635.9%2230
87.0%
 SlowChess Blitz 1.93271+15−1540.1%+83.133.9%1700
99.6%
 Critter 1.23235+21−2072.2%−175.325.6%1000
56.7%
11Demolito 2020-02-053233+15−1545.8%+28.533.7%1500
62.7%
 SlowChess Blitz 1.83229+20−2048.6%+8.340.1%800
49.2%
 Stockfish 33229+13−1369.2%−156.924.3%2700
97.4%
 Pedone 1.93211+13−1338.3%+87.331.8%2300
70.9%
 Stockfish 2.3.13205+15−1556.7%−56.429.3%1700
54.8%
12‑13Senpai 2.03204+11−1146.8%+23.831.4%3372
48.7%
12‑13Vajolet2 2.83204+13−1349.6%+1.634.6%2136
83.2%
 Stockfish 2.2.13193+18−1864.1%−110.327.0%1200
51.0%
 Stockfish VE_093192+15−1553.8%−36.629.5%1600
64.8%
 Stockfish 2.1.13188+19−1966.3%−124.428.6%1100
56.9%
 Stockfish 2.2.23185+20−2066.3%−125.528.5%1000
72.5%
14Nemorino 5.003178+12−1250.4%−2.531.6%2724
55.9%
 Demolito 2019-02-063177+16−1650.4%−4.929.9%1516
58.6%
 Fire 3.03175+8−831.8%+157.321.2%7200
84.6%
 Pedone 1.83164+19−1952.5%−23.032.3%1000
55.2%
 Critter 1.013162+20−2064.0%−108.928.7%900
96.9%
 Stockfish 2.0.13137+17−1768.7%−144.626.8%1300
62.4%
 Nemorino 4.003133+19−1952.2%−18.227.6%1000
63.0%
 Stockfish 1.83128+20−1971.7%−166.523.9%1100
81.1%
15Monolith 23117+14−1451.4%−13.430.0%1960
63.6%
 Stockfish 1.73113+22−2271.5%−163.027.3%800
56.9%
 Stockfish 1.9.13110+25−2473.0%−179.621.7%700
61.4%
 Critter 0.903105+20−1964.4%−110.225.8%1000
77.8%
 Nemorino 3.04a3094+19−1947.6%+20.829.8%1000
95.3%
16Naum 4.63076+8−845.8%+35.324.4%7080
75.4%
 SlowChess Blitz 1.53070+18−1752.0%−18.328.1%1208
99.8%
17Rodent IV v0.263038+13−1347.4%+18.930.2%2200
52.3%
 Critter 0.803037+19−1955.4%−47.727.1%1000
52.1%
 Stockfish 1.63037+22−2264.6%−111.126.1%800
99.7%
18Minic 2.212999+15−1549.2%+4.924.6%1750
96.6%
 Demolito 2017-08-262979+15−1541.3%+67.525.9%1800
100.0%
19Spike 1.4 Leiden2944+8−837.3%+99.022.5%7060
65.0%
 Stockfish 1.5.12940+19−1955.2%−40.423.8%1000
97.1%
20Bobcat 8.02916+14−1439.3%+80.225.4%1970
97.1%
21EXchess 7.92b2898+13−1340.9%+69.724.1%2270
62.4%
 EXchess 7.71b2895+15−1438.6%+90.323.1%1900
86.0%
22Cheng 4.392885+12−1243.2%+53.222.7%2570
97.1%
 Bobcat 7.62864+18−1852.0%−15.424.8%1100
65.4%
23The Baron 3.442859+17−1753.8%−28.425.8%1310
97.8%
 Cheng4 0.382835+17−1745.2%+39.020.4%1300
58.3%
 Minic 1.152832+20−2048.6%+7.724.8%870
73.9%
24Cyclone xTreme Fear2825+8−947.6%+17.321.2%6220
82.2%
 EXchess 7.18b2817+14−1446.9%+25.822.1%1900
66.9%
 Bobcat 7.12812+18−1849.5%+3.725.1%1100
64.6%
25Tornado 8.02807+16−1553.1%−22.622.2%1520
60.2%
 Toga CMLX 1.4.5e2804+22−2251.4%−8.325.9%700
75.9%
 Glaurung 2.22795+14−1458.3%−71.419.8%2200
72.2%
 The Baron 3.292788+16−1646.9%+22.323.1%1500
66.5%
26GNU Chess 5.602784+11−1145.9%+30.523.6%3120
52.3%
27Arminius 2018-12-232783+17−1747.8%+16.122.5%1210
82.2%
 Cheng4 0.36a2773+13−1355.8%−46.519.8%2600
92.7%
 Fruit 0511032761+10−1057.0%−58.422.6%4100
60.1%
28Cheese 2.02758+17−1650.7%−4.526.1%1300
52.1%
 GNU Chess 5.502758+13−1354.2%−33.219.0%2500
61.7%
29Octochess 51902755+12−1251.9%−15.024.1%2720
55.3%
 Fruit 2.32754+20−2064.0%−108.825.0%1000
47.7%
 Tornado 4.882754+11−1153.0%−23.718.7%3500
99.5%
 Glaurung 2.12730+14−1551.0%−10.419.8%2000
72.2%
30Bright 0.4a2725+9−955.3%−43.320.0%5720
60.2%
31Karballo 1.82722+18−1853.6%−26.725.1%1110
64.1%
 Fruit 2.2.12717+18−1856.6%−53.124.1%1200
71.1%
 Spike 1.2 Turin2712+9−953.4%−28.723.0%5500
53.4%
32Frenzee 3.5.192711+11−1154.1%−32.616.2%3820
79.7%
 Cheese 1.9.12703+16−1650.6%−5.321.6%1400
71.1%
 Glaurung 2.0.12697+14−1548.0%+8.722.6%1900
54.6%
 Arminius 2017-01-012696+17−1755.2%−40.020.8%1310
68.8%
 EXchess 6.50b2690+13−1452.0%−14.319.7%2300
52.2%
 Tornado 4.42690+13−1357.5%−60.618.8%2500
100.0%
33DanaSah 8.302645+18−1846.5%+24.226.0%1100
73.5%
 Cheese 1.82637+18−1948.1%+12.920.6%1100
48.8%
 Glaurung 1.2.12637+13−1346.6%+23.521.4%2400
95.1%
34Fridolin 3.002619+15−1545.7%+32.119.6%1630
85.9%
35‑36Daydreamer 1.752610+9−947.9%+16.122.0%5220
48.3%
35‑36Nebula 2.02610+10−1046.5%+28.320.6%4220
81.0%
37Alfil 13.12601+17−1749.3%+5.220.8%1320
82.3%
 DanaSah 7.902591+15−1555.6%−41.320.5%1640
79.3%
38Maverick 1.52583+14−1348.0%+14.719.9%2120
92.8%
 Frenzee Feb082570+12−1251.2%−11.015.2%3300
49.3%
 Monolith 0.42570+16−1649.1%+6.119.9%1510
49.2%
39Movei 00.8.4382570+8−846.4%+28.819.8%7820
74.4%
 DanaSah 7.302564+16−1651.9%−14.222.8%1520
54.9%
 Tornado 4.12563+15−1550.1%−0.918.3%1900
85.8%
 GNU Chess 5.07.173b2553+13−1352.0%−18.116.3%2700
75.0%
40Pharaon 3.5.12548+8−845.8%+32.219.2%8520
57.9%
 The Baron 2.232546+10−1048.3%+12.717.1%4500
72.6%
 Arminius 2015-08-062540+18−1748.9%+8.821.1%1200
52.8%
41Galjoen 0.40.12539+18−1849.3%+4.821.5%1068
66.8%
42Hermann 2.82535+10−1149.5%+1.917.0%3910
86.5%
43‑44Amyan 1.722527+9−1048.5%+11.717.9%4820
51.2%
43‑44Jonny 2.832527+9−948.5%+11.616.1%5220
59.8%
 Fridolin 2.002525+15−1550.4%−3.122.3%1600
58.4%
 Maverick 1.02522+18−1851.3%−9.720.8%1200
72.6%
45Hamsters 0.7.12516+9−948.1%+14.919.9%5410
63.9%
 Hermann 2.52514+13−1351.8%−17.116.8%2400
57.2%
 DanaSah 6.302512+18−1848.4%+9.822.1%1200
91.5%
 Hamsters 0.62495+16−1638.2%+91.819.9%1600
48.7%
 Hermann 2.42495+14−1447.7%+19.417.4%2300
56.3%
 DanaSah 5.072493+18−1855.5%−41.522.7%1100
74.7%
46Ufim 8.022486+8−844.4%+45.519.0%7818
91.5%
 DanaSah 4.662476+13−1347.2%+20.619.4%2500
58.0%
 Daydreamer 1.612474+15−1645.4%+35.319.0%1700
53.5%
 Movei 00.8.3832473+15−1641.4%+72.917.5%1900
65.7%
 Tornado 3.422469+14−1443.9%+47.319.5%2000
51.3%
 DanaSah 5.002468+15−1551.6%−13.320.3%1600
67.0%
 Hermann 2.32462+20−2036.9%+109.116.2%1100
55.5%
 Tornado 2.22461+16−1644.2%+43.218.7%1700
78.0%
 The Baron 1.7.02450+22−2245.5%+30.119.3%800
51.9%
 DanaSah 4.202449+12−1245.0%+38.620.1%2800
78.4%
 Movei 00.8.3662438+26−2652.7%−23.317.0%600
51.0%
 DanaSah 4.602437+13−1445.9%+32.017.9%2400
77.8%
 Hamsters 0.52427+22−2240.1%+79.717.7%900
82.7%
 Nebula 1.02414+17−1748.7%+7.718.8%1300
74.8%
47LittleThought 1.0522407+10−1144.4%+42.817.5%3910
79.4%
 Hermann 2.02398+17−1739.3%+87.616.8%1400
90.7%
 Hamsters 0.42381+21−2138.6%+89.918.3%900
70.6%
 SlowChess 2.960d2374+13−1344.4%+42.618.5%2600
53.6%
 Galjoen 0.39.22373+19−1948.5%+9.820.6%1000
91.1%
 Tornado 2.1.41a2354+18−1841.1%+69.820.0%1300
66.5%
 Hermann 1.92348+24−2442.4%+63.716.0%700
55.0%
 Maverick 0.602346+20−2050.4%−4.415.6%1000
74.4%
48Hussar 0.42338+12−1240.0%+78.518.6%3000
67.5%
49Teki 22333+18−1849.8%+2.518.1%1200
98.7%
50Patzer 3.802310+12−1239.5%+84.814.1%3200
69.9%
 Hermann 1.72303+23−2344.9%+40.415.4%800
83.0%
51TJchess 1.012290+12−1238.1%+97.116.1%3100
100.0%
52Aice 0.99.22262+10−1036.2%+110.014.7%5000
92.3%
53Ayito 0.2.9942252+10−1035.6%+119.313.1%4800
61.0%
 Hamsters 0.22249+21−2151.4%−20.616.8%1000
95.0%
54Betsy Fischer2229+12−1237.3%+104.416.0%3400
99.9%
55Robocide 0.42193+20−2045.0%+39.419.1%1000
95.8%
 Hussar 0.22170+19−1940.9%+75.214.0%1300
54.9%
56Chispa 4.0.32168+13−1339.3%+88.526.0%2500
100.0%
57Homer 1.022120+14−1448.8%−2.515.3%2300
100.0%
58RamJet 0.142022+18−1854.3%−45.014.5%1434
98.4%
 Galjoen 0.35.21990+22−2326.8%+190.217.2%900
88.1%
 RamJet 0.121969+32−3329.9%+157.818.8%400
100.0%
59Taktix 2.23x1896+20−2041.1%+75.112.2%1400
88.5%
60BigLion 2.23x1881+19−1941.4%+78.113.0%1500
100.0%
61Sapeli 1.201787+22−2259.5%−86.79.8%1056
78.2%
 Sapeli 1.021775+22−2246.4%+33.012.2%1100
98.5%
62Stash 11.0.11733+29−2854.4%−37.510.8%600
83.7%
 Sapeli 1.161708+36−3819.4%+271.812.3%400
100.0%
63ArcBishop80 2.24a1496+25−2520.4%+267.99.4%916
87.1%
64BigLion80 2.23x1477+26−1418.1%+288.710.6%906
 

Results matrix

Free engines (best versions only), top 12
#NameELO123456789101112
1Stockfish 103714 48.5 − 51.5
+21−24=55
−61
68.5 − 31.5
+50−13=37
−53
246 − 54
+198−6=96
+32
170 − 38
+139−7=62
+10
246 − 54
+196−4=100
−4
      
2Lc0 0.25.0 w591226 GTX1050366151.5 − 48.5
+24−21=55
+61
 69.5 − 30.5
+40−1=59
−11
69 − 31
+52−14=34
−13
 75.5 − 24.5
+60−9=31
+3
 83.5 − 16.5
+72−5=23
−22
    
3Allie 0.5 nn42850 GTX1050353931.5 − 68.5
+13−50=37
+53
30.5 − 69.5
+1−40=59
+11
 126 − 94
+84−52=84
+28
86 − 74
+57−45=58
−16
56 − 44
+39−27=34
−11
 62 − 38
+47−23=30
−73
    
4Ethereal 12.00352154 − 246
+6−198=96
−32
31 − 69
+14−52=34
+13
94 − 126
+52−84=84
−28
 87 − 69
+46−28=82
+10
166.5 − 133.5
+91−58=151
−1
 214 − 86
+157−29=114
0
    
5SlowChess Blitz 2.2349738 − 170
+7−139=62
−10
 74 − 86
+45−57=58
+16
69 − 87
+28−46=82
−10
 78 − 76
+38−36=80
−5
 102.5 − 53.5
+68−19=69
−17
122.5 − 33.5
+104−15=37
+7
124.5 − 31.5
+102−9=45
−1
  
6Fire 7.1348754 − 246
+4−196=100
+4
24.5 − 75.5
+9−60=31
−3
44 − 56
+27−39=34
+11
133.5 − 166.5
+58−91=151
+1
76 − 78
+36−38=80
+5
  61 − 39
+38−16=46
−37
232.5 − 67.5
+182−17=101
−7
124 − 30
+102−8=44
+14
 262.5 − 37.5
+232−7=61
+18
7Komodo 93417        198 − 102
+144−48=108
−19
   
8Schooner 2.23382 16.5 − 83.5
+5−72=23
+22
38 − 62
+23−47=30
+73
86 − 214
+29−157=114
0
53.5 − 102.5
+19−68=69
+17
39 − 61
+16−38=46
+37
  61.5 − 38.5
+42−19=39
−16
93 − 61
+56−24=74
−36
78 − 22
+62−6=32
+45
76.5 − 23.5
+62−9=29
+9
9Critter 1.6a3292    33.5 − 122.5
+15−104=37
−7
67.5 − 232.5
+17−182=101
+7
102 − 198
+48−144=108
+19
38.5 − 61.5
+19−42=39
+16
 100 − 100
+61−61=78
−8
58.5 − 41.5
+41−24=35
−3
60 − 40
+46−26=28
−18
10Pedone 2.03282    31.5 − 124.5
+9−102=45
+1
30 − 124
+8−102=44
−14
 61 − 93
+24−56=74
+36
100 − 100
+61−61=78
+8
 119 − 81
+84−46=70
+13
90.5 − 61.5
+54−25=73
−21
11Demolito 2020-02-053233       22 − 78
+6−62=32
−45
41.5 − 58.5
+24−41=35
+3
81 − 119
+46−84=70
−13
 54.5 − 45.5
+33−24=43
−2
12Senpai 2.03204     37.5 − 262.5
+7−232=61
−18
 23.5 − 76.5
+9−62=29
−9
40 − 60
+26−46=28
+18
61.5 − 90.5
+25−54=73
+21
45.5 − 54.5
+24−33=43
+2
 
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

Free engines (best versions only), top 12
#NameELO123456789101112
1Stockfish 103714 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Lc0 0.25.0 w591226 GTX105036610.0 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Allie 0.5 nn42850 GTX105035390.00.0 99.1100.0100.0100.0100.0100.0100.0100.0100.0
4Ethereal 12.0035210.00.00.9 99.8100.0100.0100.0100.0100.0100.0100.0
5SlowChess Blitz 2.234970.00.00.00.2 90.6100.0100.0100.0100.0100.0100.0
6Fire 7.134870.00.00.00.09.4 100.0100.0100.0100.0100.0100.0
7Komodo 934170.00.00.00.00.00.0 100.0100.0100.0100.0100.0
8Schooner 2.233820.00.00.00.00.00.00.0 100.0100.0100.0100.0
9Critter 1.6a32920.00.00.00.00.00.00.00.0 91.1100.0100.0
10Pedone 2.032820.00.00.00.00.00.00.00.08.9 100.0100.0
11Demolito 2020-02-0532330.00.00.00.00.00.00.00.00.00.0 99.9
12Senpai 2.032040.00.00.00.00.00.00.00.00.00.00.1 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

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Rating list
Testing profile
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Results table
Performance table
Score table
LOS table
Proportion of draws
White score
Number of 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 2005-2008 by CCRL team
Last games added on June 21, 2020