Total Kills = (Total Rounds Played) * 5. Common map scores like 16-10 (26), 16-14 (30), or 19-17 (36) are even round totals. A higher probability of even round counts per map pushes the cumulative BO3 total rounds towards an even sum. 55% EVEN — invalid if significant suicides/disconnects skew kill counts away from multiples of 5.
