Equals queen

chris-moreton · May 10, 2023 · ccb1e8c · ccb1e8c
1 parent 2b22b58
commit ccb1e8c
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/src/fen.rs b/src/fen.rs
@@ -371,7 +371,7 @@ pub fn simple_algebraic_to_pretty_algebraic(fen: &str, move_str: String) -> Opti
 
     if move_str.len() == 5 {
         let promotion = move_str.chars().nth(4)?;
-        alg_notation.push_str(&format!("{}{}", to, piece_to_algebraic[&promotion].to_lowercase()));
+        alg_notation.push_str(&format!("{}={}", to, piece_to_algebraic[&promotion].to_lowercase()));
     } else {
         alg_notation.push_str(to);
     }

diff --git a/tests/fen.rs b/tests/fen.rs
@@ -188,7 +188,7 @@ fn it_converts_a_simple_move_to_an_algebraic_move() {
     let fen = "6k1/P5p1/1pq1N2p/2p4P/1P1p1RP1/2PKPB2/1r2N3/7N w - - 0 1";
     assert_eq!(simple_algebraic_to_pretty_algebraic(fen, "f3a8".to_string()), Some(String::from("Ba8")));
     assert_eq!(simple_algebraic_to_pretty_algebraic(fen, "c3c4".to_string()), Some(String::from("c4")));
-    assert_eq!(simple_algebraic_to_pretty_algebraic(fen, "a7a8q".to_string()), Some(String::from("a8q")));
+    assert_eq!(simple_algebraic_to_pretty_algebraic(fen, "a7a8q".to_string()), Some(String::from("a8=q")));
     assert_eq!(simple_algebraic_to_pretty_algebraic(fen, "e2d4".to_string()), Some(String::from("N2xd4")));
     assert_eq!(simple_algebraic_to_pretty_algebraic(fen, "h1g3".to_string()), Some(String::from("Nhg3")));
     assert_eq!(simple_algebraic_to_pretty_algebraic(fen, "e6c5".to_string()), Some(String::from("Nxc5")));