Tweak probcut margin with 'improving' flag

[stockfish] / Readme.md

diff --git a/Readme.md b/Readme.md
index 319bca8cc8da1f1829df8b7d2dacd52f023e110d..46f26090b62a5cab9810fa3e61a5242e6334f740 100644 (file)
--- a/Readme.md
+++ b/Readme.md
@@ -1,5 +1,8 @@
 ### Overview
 
+[![Build Status](https://travis-ci.org/official-stockfish/Stockfish.svg?branch=master)](https://travis-ci.org/official-stockfish/Stockfish)
+[![Build Status](https://ci.appveyor.com/api/projects/status/github/official-stockfish/Stockfish?svg=true)](https://ci.appveyor.com/project/mcostalba/stockfish)
+
 Stockfish is a free UCI chess engine derived from Glaurung 2.1. It is
 not a complete chess program and requires some UCI-compatible GUI
 (e.g. XBoard with PolyGlot, eboard, Arena, Sigma Chess, Shredder, Chess
@@ -7,7 +10,7 @@ Partner or Fritz) in order to be used comfortably. Read the
 documentation for your GUI of choice for information about how to use
 Stockfish with it.
 
-This version of Stockfish supports up to 128 cores. The engine defaults
+This version of Stockfish supports up to 512 cores. The engine defaults
 to one search thread, so it is therefore recommended to inspect the value of
 the *Threads* UCI parameter, and to make sure it equals the number of CPU
 cores on your computer.
@@ -54,7 +57,7 @@ for correspondence games (because of tablebase adjudication).
 
 The "SyzygyProbeLimit" option should normally be left at its default value.
 
-**What to expect**  
+**What to expect**
 If the engine is searching a position that is not in the tablebases (e.g.
 a position with 7 pieces), it will access the tablebases during the search.
 If the engine reports a very large score (typically 123.xx), this means
@@ -93,6 +96,14 @@ compile (for instance with Microsoft MSVC) you need to manually
 set/unset some switches in the compiler command line; see file *types.h*
 for a quick reference.
 
+### Resource For Understanding the Code Base
+
+* [Chess Programming Wiki](https://chessprogramming.wikispaces.com) has good overall chess engines explanations 
+(techniques used here are well explained like hash maps etc), it was 
+also recommended by the [support team at stockfish.](http://support.stockfishchess.org/discussions/questions/1132-how-to-understand-stockfish-sources)
+
+* [Here](https://chessprogramming.wikispaces.com/Stockfish) you can find a set of features and techniques used by stockfish and each of them is explained at the wiki, however, it's a generic way rather than focusing on stockfish's own implementation, but it will still help you. 
+
 
 ### Terms of use
 
@@ -109,4 +120,4 @@ to where the source code can be found. If you make any changes to the
 source code, these changes must also be made available under the GPL.
 
 For full details, read the copy of the GPL found in the file named
-*Copying.txt*
+*Copying.txt*.