Event: Division 4

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Opponent Rating Result
Barry Kocan 1639 0 - 1
Mike Warden 1522 ½ - ½
Mike Nevin 1636 1 - 0
Adrian Grimes 1392 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1447 = (6189 + 400 * (1 - 2)) / 4)

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Opponent Rating Result
David Gillibrand 1325 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1725 = (1325 + 400 * (1 - 0)) / 1)