1 files changed, 2 insertions, 14 deletions
diff --git a/src/chess.h b/src/chess.h
index abf802e..8861ef1 100755
--- a/src/chess.h
+++ b/src/chess.h
@@ -819,10 +819,6 @@ typedef struct _COUNTERS
         UINT64 u64LazyEvals;
         UINT64 u64FullEvals;
         UINT64 u64CyclesInEval;
-        UINT64 u64HistoryPrunes;
-        UINT64 u64HistoryPruneReSearches;
-        UINT64 u64FutilityCandidates;
-        UINT64 u64FutilityPrunes;
     }
     tree;
 
@@ -932,7 +928,6 @@ typedef struct _PLY_INFO
 #endif
     SCORE iEval;
     INT iExtensionAmount;
-    FLAG fIsPVNode;                           // (iBeta != iAlpha+1) at this ply
     FLAG fInCheck;
     FLAG fInQsearch;
     MOVE mv;
@@ -2285,7 +2280,7 @@ IsDraw(SEARCHER_THREAD_CONTEXT *ctx);
 //
 // search.c
 //
-#define QPLIES_OF_NON_CAPTURE_CHECKS (1)
+#define QPLIES_OF_NON_CAPTURE_CHECKS (2)
 #define FUTILITY_BASE_MARGIN         (50) // + ctx->uPositional (min 100)
 #define DO_IID
 #define IID_R_FACTOR                 (TWO_PLY + HALF_PLY)
@@ -2320,14 +2315,6 @@ ComputeMoveScore(IN SEARCHER_THREAD_CONTEXT *ctx,
 FLAG
 ThreadUnderTerminatingSplit(SEARCHER_THREAD_CONTEXT *);
 
-void
-InitializeLMRTable(void);
-
-INT
-ExtraReduction(IN ULONG uRemainingDepth,
-              IN ULONG uMoveNum,
-              IN ULONG uFailHighPct);
-
 FLAG
 WeShouldDoHistoryPruning(IN SCORE iRoughEval,
                          IN SCORE iAlpha,
@@ -2377,6 +2364,7 @@ ComputeMoveExtension(IN OUT SEARCHER_THREAD_CONTEXT *ctx,
                      IN ULONG uMoveNum,
                      IN SCORE iRoughEval,
                      IN ULONG uDepth,
+                     IN SCORE iCheckSee,
                      IN OUT INT *piExtend);
 
 SCORE