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 Latest aboke builds June 20th

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AuthorMessage
Belladonna
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PostSubject: Latest aboke builds June 20th   Wed Jun 20, 2018 8:54 am




Windows x64 for Haswell CPUs
Windows x64 for modern computers
Windows x64
Windows 32
Linux x64 for Haswell CPUs
Linux x64 for modern computers
Linux x64
Author: mstembera
Date: Wed Jun 20 05:43:00 2018 +0200
Timestamp: 1529466180

Fix MSVC error

Compiling the current master with MSVC gives the following error:

```
search.cpp(956): error C2660: 'operator *': function does not take 1 arguments
types.h(303): note: see declaration of 'operator *'
```

This was introduced in commit:
https://github.com/official-stockfish/Stockfish/commit/88de112b84a5285c2afb3e075a05c2ab8ad3fd33

We use a suggestion by @vondele to fix the error, thanks!

No functional change.
Windows x64 for Haswell CPUs
Windows x64 for modern computers
Windows x64
Windows 32
Linux x64 for Haswell CPUs
Linux x64 for modern computers
Linux x64
Author: Stefano80
Date: Wed Jun 20 05:27:24 2018 +0200
Timestamp: 1529465244

Slight simplification in scale factor computation

[STC](http://tests.stockfishchess.org/tests/view/5b2614000ebc5902b8d17193)
LLR: 2.96 (-2.94,2.94) [-3.00,1.00]
Total: 17733 W: 3996 L: 3866 D: 9871

[LTC](http://tests.stockfishchess.org/tests/view/5b264d0f0ebc5902b8d17206)
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 55524 W: 9535 L: 9471 D: 36518

Use pawn count scaling also for opposite bishops endings with additional material, with a slope of 2 instead of 7. This simplifies slightly the code.

This PR is a functionally equivalent refactoring of the version which was submitted.

Four versions tried, 2 passed both STC and LTC. I picked the one which seemed more promising at LTC.

Slope 4 passed STC (-0.54 Elo), LTC not attempted
Slope 3 passed STC (+2.51 Elo), LTC (-0.44 Elo)
Slope 2 passed STC (+2.09 Elo), LTC (+0.04 Elo)
Slope 1 passed STC (+0.90 Elo), failed LTC (-3.40 Elo)

Bench: 4761613
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