Event: Divison 3 - Batley-Meek Memorial Trophy

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Opponent Rating Result
Peter J Hoare 120 1 - 0
Peter Hulse 136 1 - 0
George Swanson 110 ½ - ½
Xiaorui Wang 67 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

408 = (433 + 400 * (3 - 0)) / 4)

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