Fix TB initialization for variants

ianfab · ianfab · commit f485edd6a625 · 2019-12-14T12:57:37.000+01:00
On every `ucinewgame` the TBs were re-initialized to standard chess irrespective of the currently set UCI_Variant value. Fixes official-stockfish#567.
diff --git a/src/search.cpp b/src/search.cpp
@@ -353,7 +353,7 @@ void Search::clear() {
   Time.availableNodes = 0;
   TT.clear();
   Threads.clear();
-  Tablebases::init(CHESS_VARIANT, Options["SyzygyPath"]); // Free mapped files
+  Tablebases::init(UCI::variant_from_name(Options["UCI_Variant"]), Options["SyzygyPath"]); // Free mapped files
 }
 
 

Original file line number	Diff line number	Diff line change
`@@ -353,7 +353,7 @@ void Search::clear() {`
`353`	`353`	`Time.availableNodes = 0;`
`354`	`354`	`TT.clear();`
`355`	`355`	`Threads.clear();`
`356`		`- Tablebases::init(CHESS_VARIANT, Options["SyzygyPath"]); // Free mapped files`
	`356`	`+ Tablebases::init(UCI::variant_from_name(Options["UCI_Variant"]), Options["SyzygyPath"]); // Free mapped files`
`357`	`357`	`}`
`358`	`358`
`359`	`359`