public void updateScoreboard(Player player) {
        ScoreboardManager manager = Bukkit.getScoreboardManager();
        Scoreboard scoreboard = manager.getNewScoreboard();
        Objective objective = scoreboard.getObjective("pingusmash");

        if (objective == null) {
            objective = scoreboard.registerNewObjective("pingusmash", "dummy");
        }

        objective.setDisplaySlot(DisplaySlot.SIDEBAR);

        Score killScore = objective.getScore(Bukkit.getOfflinePlayer("Kills:"));
        Score deathScore = objective.getScore(Bukkit.getOfflinePlayer("Deaths:"));

        if (this.plugin.hitScoreHM.containsKey(player.getName())) {
            killScore.setScore(this.plugin.hitScoreHM.get(player.getName()));
        } else {
            killScore.setScore(0);
        }

        if (this.plugin.flyScoreHM.containsKey(player.getName())) {
            deathScore.setScore(this.plugin.flyScoreHM.get(player.getName()));
        } else {
            deathScore.setScore(0);
        }

        double kd;

        if (deathScore.getScore() == 0 || killScore.getScore() == 0) {
            kd = 0;
        } else {
            kd = killScore.getScore() / deathScore.getScore();
        }

        objective.setDisplayName("§bPinguSmash §f- §4K/D: " + kd);
        player.setScoreboard(scoreboard);
    }