Event: 7400 max

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Opponent Rating Result
David Thomson 1945 0 - 1
Martin D Smyth 1975 0 - 1
Tim A Lane 1915 ½ - ½
Martin D Smyth 1975 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1653 = (7810 + 400 * (0 - 3)) / 4)

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