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Post  naahira on Wed Mar 20, 2019 9:32 pm

Latest Official Stockfish Development Versions:-

Author: xoto10
Date: Wed Mar 20 14:57:34 2019 +0100
Timestamp: 1553090254

Remove !extension check #2045

While looking at pruning using see_ge() (which is very valuable)
it became apparent that the !extension test is not adding any
value - simplify it away.

STC:
LLR: 2.96 (-2.94,2.94) [-3.00,1.00]
Total: 56843 W: 12621 L: 12569 D: 31653 Elo +0.32
http://tests.stockfishchess.org/tests/view/5c8588cb0ebc5925cffe77f4
LTC:
LLR: 2.96 (-2.94,2.94) [-3.00,1.00]
Total: 78622 W: 13223 L: 13195 D: 52204 Elo +0.12
http://tests.stockfishchess.org/tests/view/5c8611cc0ebc5925cffe7f86

Further work could be to optimize the remaining see_ge() test. The idea of less pruning at higher depths is valuable, but perhaps the test (-PawnValueEg * depth) can be improved.

Bench: 3188688

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Latest Official Stockfish Development Versions Empty Zippyshare link

Post  skyfly on Sat Mar 23, 2019 3:01 am

could you upload it in zippyshare link?
thanks a lot.

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Post  naahira on Mon Mar 25, 2019 9:02 am

Author: protonspring
Date: Sun Mar 24 17:41:25 2019 +0100

Timestamp: 1553445685

Simplify pawn asymmetry (remove use of semiopen files). (#2054)

This is a functional simplification.

To me, the exclusive OR of semiopenFiles here is quite convoluted. Looks like it can be removed.

STC
LLR: 2.96 (-2.94,2.94) [-3.00,1.00]
Total: 43885 W: 9731 L: 9653 D: 24501 Elo +0.62
http://tests.stockfishchess.org/tests/v ... 25cfff10ea

LTC
LLR: 2.96 (-2.94,2.94) [-3.00,1.00]
Total: 68437 W: 11577 L: 11533 D: 45327 Elo +0.22
http://tests.stockfishchess.org/tests/v ... 25cfff1cbf

bench 3575627

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Post  naahira on Mon Mar 25, 2019 9:04 am

skyfly wrote:could you upload it in zippyshare link?
thanks a lot.

Check your private message ,

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