diff --git a/.gitignore b/.gitignore
index ea8c4bf..04dc301 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /target
+tarpaulin-report.html
\ No newline at end of file
diff --git a/src/board.rs b/src/board.rs
index e3596ea..57e7504 100644
--- a/src/board.rs
+++ b/src/board.rs
@@ -121,6 +121,20 @@ mod tests {
     use crate::board::{Boardfield, BoardfieldOps};
     use crate::piece::{PieceColor, PieceType};
 
+    #[test]
+    #[should_panic]
+    fn get_out_of_bounds() {
+        let field = Boardfield::startpos();
+        field.get_pos(64);
+    }
+
+    #[test]
+    #[should_panic]
+    fn set_out_of_bounds() {
+        let mut field = Boardfield::startpos();
+        field.set_pos(64, 0u8);
+    }
+
     #[test]
     fn bitfield_board() {
         let field = Boardfield::startpos();
diff --git a/src/main.rs b/src/main.rs
index 1660215..1013d4c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -4,7 +4,9 @@ use std::sync::{Arc};
 use crate::uci::{uci_handle_command, UCIState};
 use spin::Mutex;
 
+#[cfg(not(tarpaulin_include))] // UCI parse engine is not tested with tarpaulin, outer test harness is planned
 pub mod uci;
+
 pub mod board;
 pub mod piece;
 
@@ -12,6 +14,7 @@ pub const ENGINE_NAME: &str = "Bamboo";
 pub const ENGINE_VERSION: &str = "1.0";
 pub const ENGINE_AUTHOR: &str = "c0repwn3r";
 
+#[cfg(not(tarpaulin_include))]
 fn main() {
     println!("{} {} by {}", ENGINE_NAME, ENGINE_VERSION, ENGINE_AUTHOR);
 
diff --git a/src/piece.rs b/src/piece.rs
index 4500e66..95829b9 100644
--- a/src/piece.rs
+++ b/src/piece.rs
@@ -63,20 +63,32 @@ mod piece_tests {
     fn piece_color_checks() {
         assert!(!Piece::is_white(PieceType::Pawn as u8 | PieceColor::Black as u8));
         assert!(Piece::is_white(PieceType::Pawn as u8 | PieceColor::White as u8));
+        assert!(Piece::is_black(PieceType::Pawn as u8 | PieceColor::Black as u8));
+        assert!(!Piece::is_black(PieceType::Pawn as u8 | PieceColor::White as u8));
 
         assert!(!Piece::is_white(PieceType::Knight as u8 | PieceColor::Black as u8));
         assert!(Piece::is_white(PieceType::Knight as u8 | PieceColor::White as u8));
+        assert!(Piece::is_black(PieceType::Knight as u8 | PieceColor::Black as u8));
+        assert!(!Piece::is_black(PieceType::Knight as u8 | PieceColor::White as u8));
 
         assert!(!Piece::is_white(PieceType::Bishop as u8 | PieceColor::Black as u8));
         assert!(Piece::is_white(PieceType::Bishop as u8 | PieceColor::White as u8));
+        assert!(Piece::is_black(PieceType::Bishop as u8 | PieceColor::Black as u8));
+        assert!(!Piece::is_black(PieceType::Bishop as u8 | PieceColor::White as u8));
 
         assert!(!Piece::is_white(PieceType::Rook as u8 | PieceColor::Black as u8));
         assert!(Piece::is_white(PieceType::Rook as u8 | PieceColor::White as u8));
+        assert!(Piece::is_black(PieceType::Rook as u8 | PieceColor::Black as u8));
+        assert!(!Piece::is_black(PieceType::Rook as u8 | PieceColor::White as u8));
 
         assert!(!Piece::is_white(PieceType::Queen as u8 | PieceColor::Black as u8));
         assert!(Piece::is_white(PieceType::Queen as u8 | PieceColor::White as u8));
+        assert!(Piece::is_black(PieceType::Queen as u8 | PieceColor::Black as u8));
+        assert!(!Piece::is_black(PieceType::Queen as u8 | PieceColor::White as u8));
 
         assert!(!Piece::is_white(PieceType::King as u8 | PieceColor::Black as u8));
         assert!(Piece::is_white(PieceType::King as u8 | PieceColor::White as u8));
+        assert!(Piece::is_black(PieceType::King as u8 | PieceColor::Black as u8));
+        assert!(!Piece::is_black(PieceType::King as u8 | PieceColor::White as u8));
     }
 }
\ No newline at end of file