Event: Division 2

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Opponent Rating Result
David Buckley 1609 0 - 1
Rob Lockwood 1562 ½ - ½
C Rodney S Mitchinson 1224 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1465 = (4395 + 400 * (1 - 1)) / 3)

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