@Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final Piece other = (Piece) obj;
        if (this.row != other.row) {
            return false;
        }
        if (this.column != other.column) {
            return false;
        }

        if (this.color != other.color) {
            return false;
        }
        return true;
    }