private boolean isWinner() {

        Player[][] locations = this.board.getBoardLocations();

        for (int row = 0; row < locations.length; row++) {
            Player[] rowLocations = locations[row];
            for (int col = 0; col < rowLocations.length; col++) {
                if (fourInARow(row, col, locations)) {
                    return true;
                }
            }
        }

        return false;
    }