Following Chess Dragon suggestion I retested Stockfish 01/06/2013, now with Sleeping Threads = Off and Min Split Depth= 6
The result was better than using standard settings. (See post above). Let's keep testing.
TESTING STOCKFISH 01/06/2013 WITH SLEEPING THREADS OFF AND MIN SPLIT DEPTH 6: 480 GAMES.
STOCKFISH 01/06/2013 6_6_6 Sleeping Threads: Off. 240 games
I7 980 3.33 Ghz.
6 real cores
Ponder: Off.
GUI: Fritz 12
Book: Perfect 2012
Time control: 4 min +0 sec/ game
No tablebases
Stockfish 010613 64 SSE4.266 - Critter 1.6 64-bitx6_nob 22.5 - 17.5 +13/=19/-8 56.25% Stockfish 010613 64 SSE4.266 - Deep Rybka 4.1 SSE42 x64 23.0 - 17.0 +12/=22/-6 57.50% Stockfish 010613 64 SSE4.266 - Houdini 3 Pro x64_6 16.5 - 23.5 +7/=19/-14 41.25%
I7 980 3.33 Ghz.
6 real cores
Ponder: Off.
GUI: Fritz 12
Book: Perfect 2012
Time control: 2min +2 sec/ game
No tablebases
Stockfish 010613 64 SSE4.266 - Critter 1.6 64-bitx6_nob 22.0 - 18.0 +11/=22/-7 55.00% Stockfish 010613 64 SSE4.266 - Deep Rybka 4.1 SSE42 x64 26.0 - 14.0 +15/=22/-3 65.00%
Stockfish 010613 64 SSE4.266 - Houdini 3 Pro x64_6 17.0 - 23.0 +5/=24/-11 42.50%
240 games :
http://www.mediafire.com/?ut8mb1ct77qk2r8
Overall average with 6 cores: (127.0-113.0) = 52.92%
STOCKFISH 01/06/2013 6_4_4 Sleeping Threads: Off. 240 games
i7 975 3.33 Ghz.
4 real cores
GUI: Fritz 12
Book: Fritz 12
Time control: 4 min + 0 sec/ game
Ponder: Off
No tablebases
Stockfish 010613 64 SSE4.255 - Critter 1.6a 64-bitnob_4 20.5 - 19.5 +7/=27/-6 51.25%
Stockfish 010613 64 SSE4.255 - Deep Rybka 4 x64 (x4) 25.0 - 15.0 +15/=20/-5 62.50%
Stockfish 010613 64 SSE4.255 - Houdini 3 Pro x64_4 18.0 - 22.0 +7/=22/-11 45.00%
i7 975 3.33 Ghz.
4 real cores
GUI: Fritz 12
Book: Fritz 12
Time control: 2 min + 2 sec/ game
Ponder: Off
No tablebases
20130601_SF01061355_2+2 2013
Stockfish 010613 64 SSE4.255 - Critter 1.6a 64-bitnob_4 19.5 - 20.5 +4/=31/-5 48.75%
Stockfish 010613 64 SSE4.255 - Deep Rybka 4 x64 (x4) 20.0 - 20.0 +8/=24/-8 50.00%
Stockfish 010613 64 SSE4.255 - Houdini 3 Pro x64_4 16.5 - 23.5 +4/=25/-11 41.25%
240 games:
http://www.mediafire.com/?a362x87c1mj57yj
Overall average with 4 cores: (119.5-120.5) = 49.79%
Global Score: 246.5-233.5 (51.35%)
Against Critter 1.6: 52.81% Deep Rybka 4: 58.75% Houdini 3.0: 42.50%
Estimated ELO Performance: 3.101
Regards,
Tom.