From a68e177994b2d4d3288319b167fe1c0bd992bca5 Mon Sep 17 00:00:00 2001
From: Fabian Fichter <ianfab@users.noreply.github.com>
Date: Fri, 25 Oct 2019 16:27:30 +0200
Subject: [PATCH] Reduce memory footprint of continuation history

Close #43.

No functional change.
---
 src/movepick.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/movepick.h b/src/movepick.h
index 0ae1214..f188375 100644
--- a/src/movepick.h
+++ b/src/movepick.h
@@ -96,7 +96,7 @@ typedef Stats<Move, NOT_USED, PIECE_NB, SQUARE_NB> CounterMoveHistory;
 typedef Stats<int16_t, 10692, PIECE_NB, SQUARE_NB, PIECE_TYPE_NB> CapturePieceToHistory;
 
 /// PieceToHistory is like ButterflyHistory but is addressed by a move's [piece][to]
-typedef Stats<int16_t, 29952, PIECE_NB, SQUARE_NB> PieceToHistory;
+typedef Stats<int16_t, 29952, 2 * PIECE_SLOTS, SQUARE_NB> PieceToHistory;
 
 /// ContinuationHistory is the combined history of a given pair of moves, usually
 /// the current one given a previous one. The nested history table is based on
-- 
1.7.0.4