Download all played games [You must be registered and logged in to see this link.] Current participants: Stockfish 180102, Komodo 11.2.2, Houdini 6. Contempt set to +20 for all engines (means Contempt=+2 for Houdini 6).All 3 engines playing with Contempt=+20 centipawns. After 624 played games, Stockfish 180102 (ultimaiq bmi2-compile) is
+62 Elo stronger than Houdini 6
+85 Elo (!) stronger than Komodo 11.2.2. 
We have to call this a disaster for both commercial competitors of (free) Stockfish.
Program Elo + - Games Score Av.Op. Draws
1 Stockfish 020118 64 BMI2 : 3472 16 16 416 60.3 % 3399 65.4 %
2 Houdini 6 x64-pext : 3410 16 16 416 47.2 % 3430 63.2 %
3 Komodo 11.2.2 64-bit : 3387 15 15 416 42.4 % 3441 59.9 %
All played games:
Program Elo + - Games Score Av.Op. Draws
1 Stockfish 020118 64 BMI2 : 3472 16 16 416 60.3 % 3399 65.4 %
2 Houdini 6 x64-pext : 3410 16 16 416 47.2 % 3430 63.2 %
3 Komodo 11.2.2 64-bit : 3387 15 15 416 42.4 % 3441 59.9 %
Games : 624 (finished)
White Wins : 132 (21.2 %)
Black Wins : 100 (16.0 %)
Draws : 392 (62.8 %)
Unfinished : 0
White Score : 52.6 %
Black Score : 47.4 %
Individual statistics:
1 Stockfish 020118 64 BMI2 : 3472 416 (+115,=272,- 29), 60.3 %
Komodo 11.2.2 64-bit : 208 (+ 69,=129,- 10), 64.2 %
Houdini 6 x64-pext : 208 (+ 46,=143,- 19), 56.5 %
2 Houdini 6 x64-pext : 3410 416 (+ 65,=263,- 88), 47.2 %
Komodo 11.2.2 64-bit : 208 (+ 46,=120,- 42), 51.0 %
Stockfish 020118 64 BMI2 : 208 (+ 19,=143,- 46), 43.5 %
3 Komodo 11.2.2 64-bit : 3387 416 (+ 52,=249,-115), 42.4 %
Stockfish 020118 64 BMI2 : 208 (+ 10,=129,- 69), 35.8 %
Houdini 6 x64-pext : 208 (+ 42,=120,- 46), 49.0 %
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