Playing conditions: Hardware: i7-2630QM 2.0GHz Notebook, Windows 7 Home Premium 64bit, 4GB RAM
Fritzmark: singlecore: 3.97 / 1905 (all engines running on one core, only), average meganodes/s displayed by LittleBlitzerGUI: Houdini: 2.0 mn/s, Stockfish: 1.7 mn/s
Hash: 128MB per engine
GUI: LittleBlitzerGUI (draw at 120 moves, resign at 450cp (for 4 moves))
Tablebases: None
Openings: 10moves_SALC_500.epd (download the file at the "Download & Links"-section)
Ponder, Large Memory Pages & learning: Off
Thinking time:
70''+700ms per game/engine (average game-duration: 3.5 minutes)(standardized to the hardware-speed and the thinking time of the excellent
[You must be registered and logged in to see this link.]). One 7000 games-testrun takes about 6 days (running on only 3 of 4 cores). The version-numbers of the Stockfish-development engines are the release-date, written backwards (year,month,day))(example: 141028 = October, 28, 2014), downloaded at
[You must be registered and logged in to see this link.]. I always use the latest version of one day, if more than one version per day is released. And I use the version "for modern computers". Each Stockfish-version plays 1000 games against Komodo 9.2, Houdini 4, Gull 3, Fire 4, Critter 1.6a, Mars 3.41 and Equinox 3.3. Latest update: 2015/10/23: Stockfish 151015 Download the individual statistics [You must be registered and logged in to see this link.] Program Elo + - Games Score Av.Op. Draws
1 Stockfish 151015 x64 : 3289 6 6 7000 70.8 % 3128 36.5 % (new)
2 Stockfish 150910 x64 : 3280 6 6 7000 69.7 % 3128 37.5 %
3 Stockfish 151003 x64 : 3277 7 7 7000 69.4 % 3128 37.6 %
4 Stockfish 150730 x64 : 3276 6 6 7000 69.2 % 3127 38.2 %
5 Stockfish 150817 x64 : 3276 6 6 8000 67.3 % 3142 39.0 %
6 Stockfish 150810 x64 : 3272 6 6 7000 68.7 % 3127 38.8 %
7 Stockfish 150604 x64 : 3269 6 6 8000 66.6 % 3141 40.5 %
8 Stockfish 150510 x64 : 3268 7 7 7000 68.4 % 3126 38.1 %
9 Stockfish 150627 x64 : 3266 6 6 7000 68.0 % 3127 38.4 %
10 Stockfish 150716 x64 : 3266 6 6 7000 67.9 % 3127 39.2 %
11 Stockfish 150503 x64 : 3261 6 6 7000 67.6 % 3126 37.7 %
12 Stockfish 150410 x64 : 3261 6 6 7000 68.4 % 3119 38.1 %
13 Stockfish 150521 x64 : 3260 6 6 7000 67.4 % 3126 40.1 %
14 Stockfish 150329 x64 : 3252 6 6 7000 67.3 % 3119 38.9 %
15 Stockfish 150314 x64 : 3250 6 6 7000 67.0 % 3119 39.1 %
16 Stockfish 150320 x64 : 3249 7 7 7000 67.0 % 3119 38.5 %
17 Stockfish 150307 x64 : 3247 6 6 7000 66.7 % 3119 39.1 %
18 Stockfish 6 150128 : 3247 6 6 8000 67.3 % 3115 39.4 %
19 Stockfish 150203 x64 : 3247 6 6 7000 66.6 % 3119 38.6 %
20 Stockfish 150220 x64 : 3247 6 6 7000 66.6 % 3119 39.2 %
21 Komodo 9.2 x64 : 3245 5 5 11000 60.2 % 3169 36.9 %
22 Stockfish 150208 x64 : 3245 6 6 7000 66.4 % 3119 39.1 %
23 Komodo 9.1 x64 : 3245 5 5 12000 57.6 % 3189 42.7 %
24 Stockfish 150105 x64 : 3240 6 6 7000 65.8 % 3119 39.3 %
25 Komodo 9 x64 : 3235 5 5 10000 58.7 % 3171 40.2 %
26 Stockfish 141221 x64 : 3230 6 6 7000 64.4 % 3119 39.7 %
27 Komodo 8 x64 : 3184 4 4 17000 48.7 % 3198 40.5 %
28 Houdini 4 x64 : 3180 3 3 33000 43.4 % 3225 37.8 %
29 Gull 3 x64 : 3109 3 3 33000 34.6 % 3228 40.2 %
30 Fire 4 x64 : 3102 3 3 33000 33.7 % 3228 39.8 %
31 Critter 1.6a x64 : 3095 3 3 33000 32.8 % 3228 38.0 %
32 Mars 3.41 x64 : 3085 6 6 8000 38.6 % 3169 40.3 %
33 Equinox 3.3 x64 : 3082 3 3 33000 31.2 % 3228 38.7 %
34 Mars 3.35 x64 : 3079 3 3 31000 30.4 % 3231 37.0 %
Below you find a diagram of the progress of Stockfish in my tests since the beginning of 2015. And below that diagram, the old diagram (May, 2013 - December, 2014). You can save the diagrams (as a JPG-picture (in originial size)) on your PC with mouseclick (right button) and then choose "save image"...The Elo-ratings of older Stockfish dev-versions in the Ordo-calculation can be a little different to the Elo-"dots" in the diagram, because the results/games of new Stockfish dev-versions - when getting part of the Ordo-calculation - can change the Elo-ratings of the opponent engines and that can change the Elo-ratings of older Stockfish dev-versions (in the Ordo-calculation / ratinglist, but not in the diagram, where all Elo-"dots" are the rating of one Stockfish dev-version at the moment, when the testrun of that Stockfish dev-version was finished).[You must be registered and logged in to see this link.] 
