Event: MCA Division 3

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Opponent Rating Result
Ian Nicholson 1608 0 - 1
Chris Wentworth 1599 ½ - ½
Graham Heath 1407 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1271 = (4614 + 400 * (0 - 2)) / 3)

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