Add depth limit on quiescence, add node/timer measurements

src/board/board.rs

@@ -10,7 +10,7 @@ use crate::movegen::move_generator::{
     bishop_pseudo_moves, king_pseudo_moves, knight_pseudo_moves, pawn_pseudo_moves,
     queen_pseudo_moves, rook_pseudo_moves,
 };
-use crate::movegen::r#move::{Move, Promote};
+use crate::movegen::r#move::{Move, MoveType, Promote};
 
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub struct Board {
@@ -120,6 +120,18 @@ impl Board {
         moves
     }
 
+    pub fn pseudo_moves_all_captures(&self) -> Vec<Move> {
+        self.pseudo_moves_all()
+            .into_iter()
+            .filter(|m| {
+                matches!(
+                    m.move_type,
+                    MoveType::Capture | MoveType::PromotionCapture(_)
+                )
+            })
+            .collect()
+    }
+
     pub fn pseudo_moves(&self, color: Color, piece_type: PieceType) -> Vec<Move> {
         let all_occupancies = self.all_occupancies();
         let (pieces, opponent_occupancies, own_occupancies) = match color {