Fix dead link to compression algorithm in tbprobe

[stockfish] / src / syzygy / tbprobe.cpp

diff --git a/src/syzygy/tbprobe.cpp b/src/syzygy/tbprobe.cpp
index 56cc016a4d577067f8d314c02ad73f35f1dd8894..838453b66451edc8534832190adfbf00e0a08ebf 100644 (file)
--- a/src/syzygy/tbprobe.cpp
+++ b/src/syzygy/tbprobe.cpp
@@ -1023,7 +1023,7 @@ uint8_t* set_sizes(PairsData* d, uint8_t* data) {
     // frequent adjacent pair of symbols in the source message by a new symbol,
     // reevaluating the frequencies of all of the symbol pairs with respect to
     // the extended alphabet, and then repeating the process.
-    // See http://www.larsson.dogma.net/dcc99.pdf
+    // See https://web.archive.org/web/20201106232444/http://www.larsson.dogma.net/dcc99.pdf
     std::vector<bool> visited(d->symlen.size());
 
     for (Sym sym = 0; sym < d->symlen.size(); ++sym)