basic model

app/src/main/java/chess/model/pieces/Pawn.java

@@ -0,0 +1,21 @@
+package chess.model.pieces;
+
+import chess.model.Color;
+import chess.model.Piece;
+import chess.model.PieceVisitor;
+
+public class Pawn extends Piece {
+
+	public Pawn(Color color) {
+		super(color);
+	}
+
+	@Override
+	public <T> T accept(PieceVisitor<T> visitor) {
+		return visitor.visitPiece(this);
+	}
+
+	public int multiplier() {
+		return getColor() == Color.White ? 1 : -1;
+	}
+}