Board and rules
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5 terms
A rules-based request by which a player invokes a right that the arbiter must verify.
A formal request for the arbiter to declare a draw because a rule-based condition has been met.
The exact move formally declared before play to support certain draw claims under the rules.
An optional US Chess procedure for claiming a draw in certain time scrambles with very little practical chance of losing.
A specialized ICCF request to set the result of an ending exactly resolved by a database covering up to seven pieces.
