CCRL 40/2 FRC
Downloads and Statistics
January 25, 2021
Testing summary:
Total: 301'494 games
played by 234 programs

White wins: 121'971 (40.5%)
Black wins: 103'959 (34.5%)
Draws: 75'564 (25.1%)
White score: 53.0%

Open source engines

Comparing 91 engines!
25 best versions of selected engines played 4960 games with each other

CCRL 40/2 FRC Rating List — Open source 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 January 25, 2021 with Bayeselo based on 301'494 games
RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
ELO+
1Stockfish 123771+12−1270.1%−144.938.3%2750 
87.7%
 Stockfish 1707203762+13−1372.1%−155.538.2%2350
100.0%
 Stockfish 103718+11−1177.6%−195.935.6%3612
100.0%
 Stockfish 93670+13−1377.3%−213.834.8%2400
99.8%
 Stockfish 1809173642+14−1477.9%−220.633.0%2100
99.8%
 Stockfish 83616+11−1172.7%−180.636.9%3300
98.6%
2Ethereal 12.753595+14−1457.7%−54.339.8%1850
99.9%
 Ethereal 12.503568+10−1051.5%−8.241.0%3440
69.6%
 Stockfish 2005163563+16−1678.0%−230.227.1%1800
99.7%
 Stockfish 1503163533+15−1575.2%−200.231.6%1800
87.6%
 Ethereal 12.003521+10−1046.3%+29.138.5%3528
98.3%
 Stockfish 2008153499+15−1571.6%−168.231.6%1800
73.7%
 Ethereal 11.753493+12−1254.9%−38.939.0%2600
99.9%
 Ethereal 11.503467+12−1251.9%−18.037.4%2464
69.4%
 Stockfish 63462+13−1370.9%−161.132.6%2400
100.0%
 Stockfish 0405143412+15−1579.7%−245.323.0%2100
68.9%
3RubiChess 1.93407+14−1341.0%+62.431.8%2050
100.0%
 Stockfish DD3347+15−1574.9%−199.625.0%2100
99.9%
4Demolito 2020-12-243313+14−1439.5%+76.332.9%1950
87.3%
 Stockfish 1609133301+14−1464.6%−117.728.9%2100
100.0%
 Demolito 2020-02-053232+15−1545.8%+28.733.7%1500
65.7%
 Stockfish 33228+13−1369.2%−157.124.3%2700
99.3%
 Stockfish 2.3.13204+15−1556.7%−56.629.3%1700
52.4%
5‑6Senpai 2.03203+10−1147.2%+21.731.5%3572
48.8%
5‑6Vajolet2 2.83203+12−1248.9%+6.335.1%2236
84.3%
 Stockfish 2.2.13192+18−1864.1%−110.527.0%1200
51.4%
 Stockfish VE_093191+16−1653.8%−36.829.5%1600
64.2%
 Stockfish 2.1.13187+19−1966.3%−124.528.6%1100
57.1%
 Stockfish 2.2.23184+20−2066.3%−125.728.5%1000
74.6%
 Demolito 2019-02-063176+16−1650.4%−5.229.9%1516
99.9%
 Stockfish 2.0.13137+18−1768.7%−145.626.8%1300
75.3%
 Stockfish 1.83128+19−1971.7%−167.523.9%1100
83.7%
7Monolith 23116+13−1353.2%−26.229.6%2320
61.1%
 Stockfish 1.73112+22−2271.5%−162.927.3%800
56.8%
 Stockfish 1.9.13109+25−2473.0%−179.421.7%700
99.9%
8Minic 3.033060+18−1852.8%−20.826.6%1100
95.2%
 Stockfish 1.63036+22−2264.6%−111.026.1%800
79.8%
 Minic 2.483023+20−1953.0%−21.723.9%960
98.1%
 Minic 2.212997+15−1549.2%+5.624.6%1750
87.9%
9Cheng 4.402983+19−1951.9%−16.123.5%1000
65.2%
 Demolito 2017-08-262978+15−1541.3%+67.325.9%1800
99.9%
 Stockfish 1.5.12939+19−1955.2%−40.323.8%1000
98.8%
10Bobcat 8.02911+13−1339.1%+81.125.6%2430
90.4%
11EXchess 7.92b2900+12−1241.5%+65.224.3%2570
72.5%
 EXchess 7.71b2894+14−1538.6%+90.523.1%1900
85.9%
 Cheng 4.392884+12−1243.2%+53.522.7%2570
97.1%
 Bobcat 7.62864+18−1852.0%−16.224.8%1100
99.1%
 Cheng4 0.382834+17−1745.2%+39.020.4%1300
56.3%
 Minic 1.152832+20−2048.6%+7.724.8%870
76.2%
12Cyclone xTreme Fear2824+9−947.3%+19.421.2%6420
82.4%
 EXchess 7.18b2816+14−1446.9%+25.822.1%1900
66.2%
 Bobcat 7.12811+18−1849.5%+3.825.1%1100
71.1%
 Toga CMLX 1.4.5e2803+22−2251.4%−8.325.9%700
76.0%
 Glaurung 2.22794+14−1458.3%−71.319.8%2200
90.1%
13GNU Chess 5.602782+11−1145.7%+32.123.6%3220
99.8%
 GNU Chess 5.502757+13−1354.2%−33.219.0%2500
57.7%
14Octochess 51902755+12−1251.6%−12.724.2%2820
99.6%
 Glaurung 2.12729+15−1451.0%−10.419.8%2000
73.8%
15Karballo 1.82721+18−1853.6%−26.225.1%1110
98.1%
 Glaurung 2.0.12696+15−1548.0%+8.622.6%1900
74.4%
 EXchess 6.50b2689+13−1352.0%−14.319.7%2300
100.0%
16DanaSah 8.302644+18−1846.5%+24.826.0%1100
75.8%
 Glaurung 1.2.12636+13−1346.6%+23.421.4%2400
94.8%
17Fridolin 3.002619+15−1545.7%+31.619.6%1630
86.3%
18Daydreamer 1.752609+9−947.9%+16.322.0%5220
98.3%
 DanaSah 7.902590+15−1555.6%−41.120.5%1640
65.8%
19Maverick 1.52586+13−1348.9%+8.819.6%2220
95.6%
 Monolith 0.42569+16−1649.1%+6.219.9%1510
69.6%
 DanaSah 7.302564+16−1551.9%−15.122.8%1520
80.8%
20Dumb 1.72552+20−2049.7%+2.714.2%1000
52.9%
 GNU Chess 5.07.173b2552+13−1352.0%−18.016.3%2700
91.8%
21Galjoen 0.40.12536+18−1848.9%+7.721.3%1168
84.2%
 Fridolin 2.002524+15−1550.4%−2.722.3%1600
59.2%
 Maverick 1.02522+18−1851.3%−10.620.8%1200
79.5%
 DanaSah 6.302511+17−1848.4%+10.322.1%1200
92.8%
 DanaSah 5.072492+18−1855.5%−41.422.7%1100
65.6%
 Dumb 1.62484+36−3651.8%−15.014.3%300
67.5%
 DanaSah 4.662475+13−1347.2%+20.619.4%2500
58.0%
 Daydreamer 1.612473+16−1645.4%+35.419.0%1700
69.7%
 DanaSah 5.002467+16−1651.6%−13.320.3%1600
97.0%
 DanaSah 4.202448+12−1245.0%+38.620.1%2800
90.5%
 DanaSah 4.602436+13−1345.9%+32.117.9%2400
100.0%
 Galjoen 0.39.22372+19−1948.5%+9.920.6%1000
97.3%
 Maverick 0.602345+20−2050.4%−4.415.6%1000
81.6%
22Teki 22332+18−1849.8%+2.518.1%1200
100.0%
23Robocide 0.42192+19−2045.0%+39.419.1%1000
100.0%
 Galjoen 0.35.21990+22−2326.8%+189.217.2%900
100.0%
24Sapeli 1.201794+25−2552.2%−22.710.1%800
85.9%
 Sapeli 1.021775+24−2438.1%+105.712.6%900
97.4%
25Stash 11.0.11732+32−3345.2%+38.710.4%450
82.9%
 Sapeli 1.161707+36−3819.4%+271.512.3%400
 

Results matrix

Open source engines (best versions only), top 12
#NameELO123456789101112
1Stockfish 123771 146.5 − 53.5
+103−10=87
−28
          
2Ethereal 12.75359553.5 − 146.5
+10−103=87
+28
 153 − 47
+121−15=64
−4
         
3RubiChess 1.93407 47 − 153
+15−121=64
+4
 96.5 − 53.5
+74−31=45
+4
        
4Demolito 2020-12-243313  53.5 − 96.5
+31−74=45
−4
 65 − 35
+49−19=32
−7
65.5 − 34.5
+43−12=45
−13
      
5Senpai 2.03203   35 − 65
+19−49=32
+7
 52.5 − 57.5
+34−39=37
−14
121 − 79
+87−45=68
−16
71.5 − 28.5
+55−12=33
+3
    
6Vajolet2 2.83203   34.5 − 65.5
+12−43=45
+13
57.5 − 52.5
+39−34=37
+14
 132 − 68
+100−36=64
+21
     
7Monolith 23116    79 − 121
+45−87=68
+16
68 − 132
+36−100=64
−21
 58 − 42
+42−26=32
−2
68 − 32
+54−18=28
−7
   
8Minic 3.033060    28.5 − 71.5
+12−55=33
−3
 42 − 58
+26−42=32
+2
 67 − 33
+53−19=28
+41
70.5 − 29.5
+56−15=29
−5
66.5 − 33.5
+55−22=23
−39
 
9Cheng 4.402983      32 − 68
+18−54=28
+7
33 − 67
+19−53=28
−41
 65.5 − 34.5
+52−21=27
+37
61.5 − 38.5
+49−26=25
0
70.5 − 29.5
+60−19=21
−5
10Bobcat 8.02911       29.5 − 70.5
+15−56=29
+5
34.5 − 65.5
+21−52=27
−37
 47 − 53
+36−42=22
−33
65 − 35
+54−24=22
+23
11EXchess 7.92b2900       33.5 − 66.5
+22−55=23
+39
38.5 − 61.5
+26−49=25
0
53 − 47
+42−36=22
+33
 62.5 − 37.5
+53−28=19
+17
12Cyclone xTreme Fear2824        29.5 − 70.5
+19−60=21
+5
35 − 65
+24−54=22
−23
37.5 − 62.5
+28−53=19
−17
 
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

Open source engines (best versions only), top 12
#NameELO123456789101112
1Stockfish 123771 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Ethereal 12.7535950.0 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3RubiChess 1.934070.00.0 100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Demolito 2020-12-2433130.00.00.0 100.0100.0100.0100.0100.0100.0100.0100.0
5Senpai 2.032030.00.00.00.0 48.8100.0100.0100.0100.0100.0100.0
6Vajolet2 2.832030.00.00.00.051.2 100.0100.0100.0100.0100.0100.0
7Monolith 231160.00.00.00.00.00.0 100.0100.0100.0100.0100.0
8Minic 3.0330600.00.00.00.00.00.00.0 100.0100.0100.0100.0
9Cheng 4.4029830.00.00.00.00.00.00.00.0 100.0100.0100.0
10Bobcat 8.029110.00.00.00.00.00.00.00.00.0 90.4100.0
11EXchess 7.92b29000.00.00.00.00.00.00.00.00.09.6 100.0
12Cyclone xTreme Fear28240.00.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

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Results table
Performance table
Score table
LOS table
Proportion of draws
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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

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Reference rating list:
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Created in 2005-2008 by CCRL team
Last games added on January 25, 2021