Small clean-up, Sept 2021

[stockfish] / src / movepick.h

diff --git a/src/movepick.h b/src/movepick.h
index c76d49572b8af63f5c6bd8240e8bf909c0856ccd..2932d9a8a0df071da91263b99817db28977d7049 100644 (file)
--- a/src/movepick.h
+++ b/src/movepick.h
@@ -89,8 +89,8 @@ enum StatsType { NoCaptures, Captures };
 typedef Stats<int16_t, 13365, COLOR_NB, int(SQUARE_NB) * int(SQUARE_NB)> ButterflyHistory;
 
 /// At higher depths LowPlyHistory records successful quiet moves near the root
-/// and quiet moves which are/were in the PV (ttPv). It is cleared with each new
-/// search and filled during iterative deepening.
+/// and quiet moves which are/were in the PV (ttPv). LowPlyHistory is populated during
+/// iterative deepening and at each new search the data is shifted down by 2 plies
 constexpr int MAX_LPH = 4;
 typedef Stats<int16_t, 10692, MAX_LPH, int(SQUARE_NB) * int(SQUARE_NB)> LowPlyHistory;