TESTING STOCKFISH 030115 IPMAN  Test 2 and 3: 960 Games
i7 980 3.33 Ghz. 
6 real cores 
Ponder: Off. 
GUI: Fritz 12 
Book: Perfect 2014t – Limit 8 moves. Sedat –
No tablebases. No RTB used. 
Hash 512 
Relative Speed: 29.54 
Knodes per second: 14.177
Time Control = 4+0
SF 030115IPx 64 POPCNT_   - Houdini 4 x64_st_X6_CT0     45.0 - 35.0    +21/=48/-11    56.25%
SF 030115IPx 64 POPCNT_   - Komodo 8 64-bit_6_NOB       45.5 - 34.5    +20/=51/-9    56.88%
SF 030115IPx 64 POPCNT_   - Gull 3 x64 XP               53.0 - 27.0    +31/=44/-5    66.25%
Time Control= 2+2
SF 030115IPx 64 POPCNT_   - Houdini 4 x64_st_X6_CT0     49.5 - 30.5    +28/=43/-9    61.88%
SF 030115IPx 64 POPCNT_   - Komodo 8 64-bit_6_NOB       45.0 - 35.0    +17/=56/-7    56.25%
SF 030115IPx 64 POPCNT_   - Gull 3 x64 XP               53.0 - 27.0    +32/=42/-6    66.25%
Score using 6 cores:  291.0 - 189.0 =  60.63%
240 games= 
http://www.mediafire.com/download/bwwok ... est2_3.pgn
i7 975 3.33 Ghz. 
4 real cores 
Ponder: Off. 
GUI: Fritz 12 
Book: Perfect 2012t –Limit 8 moves. Sedat-
No tablebases. No RTB used. 
Hash 256 
Relative Speed: 20.62 
Knodes per second: 9.899 
Time Control: 4+0 
SF 030115IPx 64 POPCNT_   - Houdini 4 Pro x64-A_OK      48.0 - 32.0    +21/=54/-5    60.00%
SF 030115IPx 64 POPCNT_   - Komodo 8 64-bit_4_NOB       43.0 - 37.0    +21/=44/-15    53.75%
SF 030115IPx 64 POPCNT_   - Gull 3 x64 XP               55.5 - 24.5    +38/=35/-7    69.38%
Time Control= 2+2
SF 030115IPx 64 POPCNT_   - Houdini 4 Pro x64-A_OK      47.0 - 33.0    +25/=44/-11    58.75%
SF 030115IPx 64 POPCNT_   - Komodo 8 64-bit_4_NOB       48.5 - 31.5    +24/=49/-7    60.63%
SF 030115IPx 64 POPCNT_   - Gull 3 x64 XP               54.5 - 25.5    +33/=43/-4    68.13%
Score using 4 cores:  296.5 – 183.5 = 61.77%
240 games= 
http://www.mediafire.com/download/u4bqw ... 0games.pgn
Segmenting by Time Control: 
Fixed TC =  290.0 – 190.0 = 60.42%
Incremental TC = 297.5 – 182.5 = 61.98%
Global Score:  = 587.5 – 372.5 = 61.20%
Against : Houdini 4.0 St. Ct0 (3136) = 59.22% ;  Komodo 8 (3153) = 56.88%,   Gull 3 XP (3103) = 67.50%
Average Estimated Elo Opponents = 3131
Estimated Elo Performance= 3209
………………………………….
SUMMARY OF TESTS 1, 2 AND 3 FOR STOCKFISH 030115 IPMAN AFTER 1440 GAMES.
GLOBAL SCORE:  885.5 – 554.5= 61.49%
Against : Houdini 4.0 St. Ct0 (3227) = 60.00% ;  Komodo 8 (3266) = 57.61%,   Gull 3 XP (3199) = 
66.88%
Average Estimated Elo Opponents = 3231
Estimated Elo Performance=  3311
Error Bars +/- 13
We have a new leader in my tests.  Although the difference has not been finally so big as it was after the first 480 games, this is the best SF I have  tested ever. As a reference it is:
- 	2 ELO points stronger than Stockfish 221214 MZ (my second best)
-	11 ELO points stronger than Stock-Fish SF6
-	14 ELO points stronger than SF 020115 Development
-	39 ELO points stronger than Stockfish 5
-	58 ELO points stronger than Komodo 8
-	75 ELO points stronger than Houdini 4 and
-	118 ELO points stronger than Gull 3 XP.
Regards from Barcelona.
Tom.