From 8cb3035597c9ae2f817f5fa6d32784af427402e7 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sun, 1 Mar 2026 22:56:59 +0000
Subject: [PATCH 1/2] Initial plan


From 8a0e30f281424bff0312ee3c0ad07b7a82424b3b Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sun, 1 Mar 2026 23:03:52 +0000
Subject: [PATCH 2/2] Remove players from multiplayer room on leave if they
 record no stats and no buzzes

Co-authored-by: geoffrey-wu <42471355+geoffrey-wu@users.noreply.github.com>
---
 client/play/mp/MultiplayerTossupBonusClient.js | 15 ++++++++++-----
 quizbowl/Player.js                             | 10 ++++++++++
 quizbowl/Room.js                               | 15 +++++++++++----
 quizbowl/TossupRoom.js                         |  1 +
 4 files changed, 32 insertions(+), 9 deletions(-)

diff --git a/client/play/mp/MultiplayerTossupBonusClient.js b/client/play/mp/MultiplayerTossupBonusClient.js
index 8e19be11f..e6279db08 100644
--- a/client/play/mp/MultiplayerTossupBonusClient.js
+++ b/client/play/mp/MultiplayerTossupBonusClient.js
@@ -388,12 +388,17 @@ export const MultiplayerClientMixin = (ClientClass) => class extends ClientClass
     }
   }
 
-  leave ({ userId, username }) {
+  leave ({ userId, username, remove }) {
     this.logEventConditionally(username, 'left the game');
-    this.room.players[userId].online = false;
-    document.getElementById(`list-group-${userId}`).classList.add('offline');
-    document.getElementById(`points-${userId}`).classList.remove('bg-success');
-    document.getElementById(`points-${userId}`).classList.add('bg-secondary');
+    if (remove) {
+      delete this.room.players[userId];
+      document.getElementById(`list-group-${userId}`)?.remove();
+    } else {
+      this.room.players[userId].online = false;
+      document.getElementById(`list-group-${userId}`).classList.add('offline');
+      document.getElementById(`points-${userId}`).classList.remove('bg-success');
+      document.getElementById(`points-${userId}`).classList.add('bg-secondary');
+    }
   }
 
   /**
diff --git a/quizbowl/Player.js b/quizbowl/Player.js
index eb0333f62..e52c1d346 100644
--- a/quizbowl/Player.js
+++ b/quizbowl/Player.js
@@ -5,6 +5,7 @@ class Player {
 
     this.teamId = undefined;
     this.username = '';
+    this.buzzes = 0;
     this.powers = 0;
     this.tens = 0;
     this.zeroes = 0;
@@ -24,6 +25,7 @@ class Player {
   }
 
   clearStats () {
+    this.buzzes = 0;
     this.powers = 0;
     this.tens = 0;
     this.zeroes = 0;
@@ -63,6 +65,14 @@ class Player {
     }
   }
 
+  /**
+   * Returns true if the player has recorded any stats or buzzes.
+   * @returns {boolean}
+   */
+  hasActivity () {
+    return this.tuh > 0 || this.buzzes > 0 || this.powers > 0 || this.tens > 0 || this.zeroes > 0 || this.negs > 0;
+  }
+
   /**
    * Safely update the player's username, and return the new username.
    * @param {string} username
diff --git a/quizbowl/Room.js b/quizbowl/Room.js
index 9dd165db1..f49d79fe8 100644
--- a/quizbowl/Room.js
+++ b/quizbowl/Room.js
@@ -37,11 +37,18 @@ export default class Room {
   }
 
   leave (userId) {
-    // this.deletePlayer(userId);
-    this.players[userId].online = false;
+    if (!this.players[userId]) { return; }
+    const player = this.players[userId];
+    const username = player.username;
     delete this.sockets[userId];
-    const username = this.players[userId].username;
-    this.emitMessage({ type: 'leave', userId, username });
+    if (!player.hasActivity()) {
+      delete this.players[userId];
+      delete this.teams[userId];
+      this.emitMessage({ type: 'leave', userId, username, remove: true });
+    } else {
+      player.online = false;
+      this.emitMessage({ type: 'leave', userId, username });
+    }
   }
 
   /**
diff --git a/quizbowl/TossupRoom.js b/quizbowl/TossupRoom.js
index 73cae6779..25e012c23 100644
--- a/quizbowl/TossupRoom.js
+++ b/quizbowl/TossupRoom.js
@@ -70,6 +70,7 @@ export const TossupRoomMixin = (QuestionRoomClass) => class extends QuestionRoom
     clearTimeout(this.timeoutID);
     this.buzzedIn = userId;
     this.buzzes.push(userId);
+    this.players[userId].buzzes++;
     this.buzzpointIndices.push(this.questionSplit.slice(0, this.wordIndex).join(' ').length);
     this.paused = false;