X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fsyzygy%2Ftbprobe.cpp;h=94d7371499cb8e3d96621e8275592c241e3cd046;hb=9da105cffe599884c20f328ebb86a129c58c2ba7;hp=60979a5687409a41001e93332f0019ffcae3e330;hpb=e917bd59b1e317c6b48dc676473359fdfb86d9d4;p=stockfish

diff --git a/src/syzygy/tbprobe.cpp b/src/syzygy/tbprobe.cpp
index 60979a56..94d73714 100644
--- a/src/syzygy/tbprobe.cpp
+++ b/src/syzygy/tbprobe.cpp
@@ -74,7 +74,7 @@ int MapB1H1H7[SQUARE_NB];
 int MapA1D1D4[SQUARE_NB];
 int MapKK[10][SQUARE_NB]; // [MapA1D1D4][SQUARE_NB]
 
-int Binomial[6][SQUARE_NB];    // [k][n] k elements from a set of n elements
+int Binomial[7][SQUARE_NB];    // [k][n] k elements from a set of n elements
 int LeadPawnIdx[6][SQUARE_NB]; // [leadPawnsCnt][SQUARE_NB]
 int LeadPawnsSize[6][4];       // [leadPawnsCnt][FILE_A..FILE_D]
 
@@ -224,8 +224,9 @@ public:
             exit(1);
         }
 #else
+        // Note FILE_FLAG_RANDOM_ACCESS is only a hint to Windows and as such may get ignored.
         HANDLE fd = CreateFile(fname.c_str(), GENERIC_READ, FILE_SHARE_READ, nullptr,
-                               OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr);
+                               OPEN_EXISTING, FILE_FLAG_RANDOM_ACCESS, nullptr);
 
         if (fd == INVALID_HANDLE_VALUE)
             return *baseAddress = nullptr, nullptr;
@@ -1292,7 +1293,7 @@ void Tablebases::init(const std::string& paths) {
     Binomial[0][0] = 1;
 
     for (int n = 1; n < 64; n++) // Squares
-        for (int k = 0; k < 6 && k <= n; ++k) // Pieces
+        for (int k = 0; k < 7 && k <= n; ++k) // Pieces
             Binomial[k][n] =  (k > 0 ? Binomial[k - 1][n - 1] : 0)
                             + (k < n ? Binomial[k    ][n - 1] : 0);