From 12e7170d17925e86bece71375a3581c945b470d4 Mon Sep 17 00:00:00 2001
From: doruk <dsekercioglu2003@gmail.com>
Date: Thu, 31 Mar 2022 11:51:30 +0300
Subject: [PATCH] Fix PV calculation

---
 src/bm/bm_search/search.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/bm/bm_search/search.rs b/src/bm/bm_search/search.rs
index 9d258f88..0c08185b 100644
--- a/src/bm/bm_search/search.rs
+++ b/src/bm/bm_search/search.rs
@@ -285,6 +285,8 @@ pub fn search<Search: SearchType>(
         if Some(make_move) == skip_move {
             continue;
         }
+        local_context.search_stack_mut()[ply as usize + 1].pv_len = 0;
+
         move_exists = true;
         let is_capture = pos
             .board()
@@ -776,4 +778,4 @@ fn piece_pts(piece: Piece) -> i16 {
         Piece::Queen => 900,
         Piece::King => 20000,
     }
-}
\ No newline at end of file
+}