TESTING STOCKFISH DEVELOPMENT 081214: 1440 GAMES. (THREE 480 GAMES TESTS IN ONE).

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Bench: 9324905 Timestamp: 1417997906


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

Stockfish 081214 64 POPCNT_ - Houdini 4 x64_st_X6_CT0 74.5 - 45.5 +41/=67/-12 62.08%
Stockfish 081214 64 POPCNT_ - Komodo 8 64-bit_6_NOB 66.0 - 54.0 +25/=82/-13 55.00%
Stockfish 081214 64 POPCNT_ - Gull 3 x64 XP 72.5 - 47.5 +39/=67/-14 60.42%

Time Control= 2+2

Stockfish 081214 64 POPCNT_ - Houdini 4 x64_st_X6_CT0 66.0 - 54.0 +30/=72/-18 55.00%
Stockfish 081214 64 POPCNT_ - Komodo 8 64-bit_6_NOB 65.0 - 55.0 +25/=80/-15 54.17%
Stockfish 081214 64 POPCNT_ - Gull 3 x64 XP 65.5 - 54.5 +29/=73/-18 54.58%

Score using 6 cores: 409.5 – 310.5= 56.87%

720 Games
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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

Stockfish 081214 64 POPCNT_ - Houdini 4 Pro x64-A_OK 67.5 - 52.5 +29/=77/-14 56.25%
Stockfish 081214 64 POPCNT_ - Komodo 8 64-bit_4_NOB 76.5 - 43.5 +42/=69/-9 63.75%
Stockfish 081214 64 POPCNT_ - Gull 3 x64 XP 74.5 - 45.5 +40/=69/-11 62.08%

Time Control= 2+2

Stockfish 081214 64 POPCNT_ - Houdini 4 Pro x64-A_OK 72.5 - 47.5 +36/=73/-11 60.42%
Stockfish 081214 64 POPCNT_ - Komodo 8 64-bit_4_NOB 70.5 - 49.5 +30/=81/-9 58.75%
Stockfish 081214 64 POPCNT_ - Gull 3 x64 XP 78.5 - 41.5 +42/=73/-5 65.42%

Score using 4 cores: 440.0 – 280.0 = 61.11%

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Segmenting by Time Control:

Fixed TC = 431.5 – 288.5= 59.93%
Incremental TC = 418.0 – 302.0 = 58.06%

GLOBAL SCORE: 849.5 – 590.5 = 58.99%

Against : Houdini 4.0 St. Ct0 (3227) = 58.44% ; Komodo 8 (3266) = 57.92%, Gull 3 XP (3199) = 60.62%

Average Estimated Elo Opponents = 3231
Estimated Elo Performance= 3294

Error bars= +/- 13 EEP

This score is very similar to the one got by Stockfish Development 171114. Timestamp: 1416181833 Bench: 7694316. Also after 1440 GAMES. (THREE 480 GAMES TEST IN ONE) its score was:

Against : Houdini 4.0 St. Ct0 (3227) = 59.06% ; Komodo 8 (3266) = 56.77%, Gull 3 XP (3199) = 61.98%

Average Estimated Elo Opponents = 3231
Estimated Elo Performance= 3296

Regards,
Tom Casanovas