For information about elo see here
//create object with K-Factor(without it defaults to 32)var EloRank = ;var elo = 15;var playerA = 1200;var playerB = 1400;//Gets expected score for first parametervar expectedScoreA = elo;var expectedScoreB = elo;//update score, 1 if won 0 if lostplayerA = elo;playerB = elo;
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