diff --git a/src/backend/Board.java b/src/backend/Board.java
index 7ca6fac..d899fd6 100644
--- a/src/backend/Board.java
+++ b/src/backend/Board.java
@@ -360,17 +360,19 @@ public class Board {
 	}
 
 	// PART3
-	public String[] toFileRep() { //board state to file representation
-	    String[] result = new String[lineNum + 1]; 
+	public String[] toFileRep() {
+	    String[] result = new String[lineNum + 1]; //+1 for turn indicator
 	    for (int y = 0; y < lineNum; y++) {
 	        StringBuilder sb = new StringBuilder();
 	        for (int x = 0; x < colNum; x++) {
-	            if (x > 0) sb.append(",");
 	            Piece piece = board[y][x];
 	            if (piece != null) {
-	                sb.append(piece.isWhite() ? "W" : "B");
-	                sb.append(piece.getType().getSummary());
+	                char symbol = piece.getType().getSummary().charAt(0);
+	                sb.append(piece.isWhite() ? Character.toUpperCase(symbol) : Character.toLowerCase(symbol));
+	            } else {
+	                sb.append(".");
 	            }
+	            sb.append(" ");
 	        }
 	        result[y] = sb.toString();
 	    }
@@ -384,13 +386,12 @@ public class Board {
 	    this.board = new Piece[lineNum][colNum];
 
 	    for (int y = 0; y < lineNum; y++) {
-	        String[] tokens = array[y].split(",", -1);
+	        String[] pieces = array[y].split(" ");
 	        for (int x = 0; x < colNum; x++) {
-	            String token = tokens[x].trim();
-	            if (token.length() == 2) {
-	                boolean isWhite = token.charAt(0) == 'W';
-	                char typeChar = token.charAt(1);
-	                PieceType type = PieceType.fromSummary(typeChar);
+	            char pieceChar = pieces[x].charAt(0);
+	            if (pieceChar != '.') {
+	                boolean isWhite = Character.isUpperCase(pieceChar);
+	                PieceType type = PieceType.fromSummary(Character.toUpperCase(pieceChar));
 	                board[y][x] = new Piece(x, y, type, isWhite);
 	            }
 	        }
@@ -398,7 +399,6 @@ public class Board {
 	    this.isWhiteTurn = array[lineNum].equalsIgnoreCase("W");
 	}
 	
-	
 	public void undoLastMove() {
 	    if (moveHistory.isEmpty()) return;