BO3 Counter-Strike matches exhibit a strong statistical tendency towards an even aggregate round count, typically ranging 56-84. Considering the prevalent elimination-based rounds (5 kills) in this meta, an even total round count multiplied by an odd kills-per-round expectation from these eliminations strongly biases the total kill aggregate towards an even number. Minor variations in round-end scenarios are statistically insufficient to flip this structural parity. This is a high-signal play. 90% NO — invalid if the total number of rounds played in the entire BO3 is an odd number.