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Match replays are allowed, but rare. A Match replay, where a Match is played over again from its start, must be agreed upon by both the Event Partner and Head Referee, and will only be issued in the most extreme circumstances. Some examples that may warrant a Match replay are as follows:

Match Affecting “field fault” issues. Discs or Field Elements not starting in the correct positions Tape lines lifting Field Elements detaching or moving beyond normal tolerances (not as a result of Robot interactions) The Autonomous Period or Driver Controlled Period ending early Field control disconnecting or disabling Robots. Note that this is sometimes confused with a Robot whose motors have overheated, or bent pins on a controller’s competition port causing intermittent drop-outs. In general, any true field fault will impact both Alliances simultaneously, not one Robot at a time.

A V5 Robot Brain lockup that is outside of the Team’s control and results in a complete shutdown of the Robot. To qualify for a Match replay, all of the following criteria must be met: The screen on the V5 Brain is completely white, including the status bar at the top of the screen The Brain is unresponsive to any inputs from Controllers or sensors The Brain is unresponsive to the “power” button on the Brain (i.e., the only way to reboot the Brain is to remove the battery) All connected devices do not show a solid red light at their Smart Port connections (i.e., lights are blinking or off)

Match Affecting game rule issues. Head Referee disables a Robot for a misinterpretation of a rule Violation. Head Referee starts the Driver Controlled Period of the Match without determining the outcome of the Autonomous Period winner. The field is reset before a score is determined.