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Event: U2000 2nd Chess Centre Rapid

Opponent Rating Result
Luke Gostelow 1931 0 - 1
Tim Roth 1458 1 - 0
Jago Onians 1715 ½ - ½
Sean O McDonald 1981 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1671 = (7085 + 400 * (1 - 2)) / 4)

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