Project Gridlock

Project Gridlock is a Mac OS X program that allows you to play chess against other users over the internet. Since Project Gridlock uses Rendezvous for LAN based games, it requires Mac OS X v10.2. Download it here. You can also create your own server with Gridlock Server.

It is recommended to use Chess Browser or any other PGN compliant chess program to view and catalog chess games saved by Project Gridlock.

  • 1/17 - Project Gridlock v1.3.1 released. More customizable interface.
  • 11/28 - Project Gridlock v1.3 released. Supports remote admin commands on servers and downloads future updates.
  • 6/21 - Project Gridlock v1.2 released. Improved network performance.
  • 6/14 - Project Gridlock v1.1.5 released. You can talk to your opponent after a game ends. There are also speed improvements.
  • 5/25 - Project Gridlock v1.1.4 released. Accepting games has been improved.
  • 5/21 - Project Gridlock v1.1.3 released. Saving stats is now an option.
  • 5/7 - Project Gridlock v1.1.2 released. Idle users now have their username colored gray.
  • 5/5 - Project Gridlock v1.1.1 released. Users behind firewalls now have their username colored red. This allows you to find users to play against easier.
  • 4/29 - Project Gridlock v1.1 released. Servers now keep stats of the games users play.
  • 4/20 - Gridlock Server v0.2 released. Preferences have been added.
  • 4/20 - Project Gridlock v1.0.1 released. This fixes a Rendezvous bug and adds a main connection window.
  • 4/10 - Gridlock Server v0.1 released.
  • 4/10 - Project Gridlock v1.0 released.