Matchmaking

From Zero-K
Revision as of 19:12, 15 September 2016 by 131.170.5.3 (talk) (Altered pronouns (removed masculine assumption, and I think it reads better directed to "you" than the abstract "the player").)
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The Zero-K Matchmaker allows players to automatically find a game with other similarly skilled players to participate in. This solves the problem of highly rated individuals being disappointed by having to fight with newbies on their team.

Introduction

The Matchmaker can be found in the Multiplayer tab of most lobbies. You will be presented with a list of possible game types to play, as well as a short description of these.

MMQueues.png

After selecting the preferred gametype(s), you can freely join rooms or spectate battles until a game is found. If you decide to play in a custom battle, you will simply be removed from the Matchmaking queue without any further penalties.

AreYouReady.png

Once a match has been found, you will be informed both visually and audibly by a pop-up, asking you to confirm that you are ready to play the game. Once the match has been accepted by all players, the game will be started on a randomly selected map from the game type specific map pool. Should one of the other players not accept the game, you will be put back into the Matchmaking queue until another game is found.

If no response is made within 30 seconds or the request is denied, you will be removed from the queue. If you ignore or deny a found match, you will be unable to join the Matchmaking queue again for five minutes.

Algorithm

Once you have joined a queue, the Matchmaker will continuously look for other players to pair you with. Each player is assigned a maximum rating span, and each player in a game must be within the span of every other player. This span is progressively widened while the player is waiting, up to a maximum width.

If there are enough players within rating range, the Matchmaker will choose the nearest ones and ask them to accept the match. If all chosen players accept, they will be assigned a map and a room and removed from all queues. Otherwise the Matchmaker will continue to look for possible games after the declining players have been removed from the queue.

Parties

In the future, players will be able to group up with their friends to join a game in the same team. This system is not yet implemented.