Event: NSDCA Division 2

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Opponent Rating Result
Neill Harvey-Smith 1699 1 - 0
Jay Baddeley 1400 0 - 1
Neville Layhe 1638 0 - 1
Lukasz Michalek 1630 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1392 = (6367 + 400 * (1 - 3)) / 4)

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