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Fire vs Stockfish: Program Elo + - Games Score Av.Op. Draws 1 Fire 8 x64 pext : 2410 18 18 500 53.0 % 2390 64.0 % 2 Stockfish 8 x64 bmi2 : 2390 18 18 500 47.0 % 2410 64.0 % Individual statistics: 1 Fire 8 x64 pext : 2410 500 (+105,=320,- 75), 53.0 % Stockfish 8 x64 bmi2 : 500 (+105,=320,- 75), 53.0...

Default Net vs. The White Rose Net: Program Elo + - Games Score Av.Op. Draws 1 Eman 6.92 Default : 2403 8 7 360 51.0 % 2397 95.3 % 2 Eman 6.92 TWR : 2397 7 8 360 49.0 % 2403 95.3 % Individual statistics: 1 Eman 6.92 Default : 2403 360 (+ 12,=343,- 5), 51.0 % Eman 6.92 TWR : 360 (+ 12,=343,- 5), 51....

Default Net vs. The White Rose Net: Program Elo + - Games Score Av.Op. Draws 1 Eman 6.92 Default : 2405 12 12 300 51.3 % 2395 90.7 % 2 Eman 6.92 TWR : 2395 12 12 300 48.7 % 2405 90.7 % Individual statistics: 1 Eman 6.92 Default : 2405 300 (+ 18,=272,- 10), 51.3 % Eman 6.92 TWR : 300 (+ 18,=272,- 10...

Fat Fritz 2.0 vs Stockfish: Program Elo + - Games Score Av.Op. Draws 1 Stockfish 160221 x64 bmi2 : 2407 7 7 3200 52.1 % 2393 63.8 % 2 Fat Fritz 2.0 x64 bmi2 : 2393 7 7 3200 47.9 % 2407 63.8 % Individual statistics: 1 Stockfish 160221 x64 bmi2 : 2407 3200 (+646,=2041,-513), 52.1 % Fat Fritz 2.0 x64 ...

Fat Fritz 2.0 vs Stockfish: Program Elo + - Games Score Av.Op. Draws 1 Stockfish 160221 x64 bmi2 : 2417 7 7 6000 54.8 % 2383 31.2 % 2 Fat Fritz 2.0 x64 bmi2 : 2383 7 7 6000 45.2 % 2417 31.2 % Individual statistics: 1 Stockfish 160221 x64 bmi2 : 2417 6000 (+2352,=1872,-1776), 54.8 % Fat Fritz 2.0 x6...

Fat Fritz 2.0 vs Stockfish: Program Elo + - Games Score Av.Op. Draws 1 Stockfish 160221 x64 bmi2 : 2412 8 8 6000 53.4 % 2388 11.2 % 2 Fat Fritz 2.0 x64 bmi2 : 2388 8 8 6000 46.6 % 2412 11.2 % Individual statistics: 1 Stockfish 160221 x64 bmi2 : 2412 6000 (+2868,=672,-2460), 53.4 % Fat Fritz 2.0 x64...

Elo difference between Stockfish Dev 4 Cpu and Stockfish Dev 1 Cpu is only 12 elo. Elo difference between Dragon by Komodo 4 Cpu and Dragon by Komodo 1 Cpu is only 10 elo: Elo Differences Between 4 Cpu and 1 Cpu: Stockfish 12: +39 elo Komodo 14:+ 77 elo Houdini 6: + 64 elo Ethereal 12.75: + 73 elo N...

10 years change of chess engines : Program Elo + - Games Score Av.Op. Draws 1 Stockfish 310121 x64 bmi2 : 655 0 52 200 97.8 % 2100 4.5 % 2 Houdini 1.5a x64 : 0 52 0 200 2.2 % 2700 4.5 % Individual statistics: 1 Stockfish 310121 x64 bmi2 : 655 200 (+191,= 9,- 0), 97.8 % Houdini 1.5a x64 : 200 (+191,...

15 years change of chess engines : Program Elo + - Games Score Av.Op. Draws 1 Stockfish 310121 x64 bmi2 : 1040 0 0 200 99.8 % 2100 0.5 % 2 Rybka 1.0 Beta x64 : 0 0 0 200 0.2 % 2700 0.5 % Individual statistics: 1 Stockfish 310121 x64 bmi2 : 1040 200 (+199,= 1,- 0), 99.8 % Rybka 1.0 Beta x64 : 200 (+...

Great start for Stockfish 110121. It's elo is +74 elo higher than Stockfish 12 after 614 games. Regression test shows only +32 elo at 1 core.
These results are an indication of how different results we may encounter when the number of games is not sufficient.