1 files changed, 5 insertions, 3 deletions
diff --git a/src/parser.rs b/src/parser.rs
index 346ecb2..a1d9a32 100644
--- a/src/parser.rs
+++ b/src/parser.rs
@@ -116,9 +116,11 @@ fn parse_place(player: Player, pl: &str) -> Result<Action, String> {
     }
 
     if (x < 'a') || (x > 'h') {
-        return Err(String::from(
-            "Placements must specify a valid position on the game board.",
-        ));
+        return Err(if (x >= 'A') && (x <= 'Z') {
+            format!("Unrecognised stone type '{}' in placement.", x)
+        } else {
+            String::from("Placements must specify a valid position on the game board.")
+        });
     }
     let x: u8 = x as u8 - 'a' as u8;