Event: Div 3 - Batley-Meek Memorial Trophy

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Opponent Rating Result
Xiaorui Wang 1527 ½ - ½
David Matthews 1144 1 - 0
Rob Vincent 1583 0 - 1
Harry Heather 1554 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1352 = (5808 + 400 * (1 - 2)) / 4)

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