Event: Hartlepool Swiss Championship

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Opponent Rating Result
Eddie Glass 1360 0(def) - 1
Graham W Matthews 1563 0 - 1
Geoffrey Howsden 1383 0 - 1
David Lowcock 1443 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1330 = (4389 + 400 * (1 - 2)) / 3)

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