Event: OTB U1650 Ladder

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Opponent Rating Result
Terry Lucy 1372 1 - 0
Paul Read 1312 0 - 1
Mark Le Gassicke 1339 0 - 1
John V Jestico 1466 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1172 = (5489 + 400 * (1 - 3)) / 4)

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