Event: NSDCA Division 4

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Opponent	Rating	Result
Joseph Bussell	1473	1 - 0
Andrew Crosby	1405	0 - 1
Peter Kanalos	1193	½ - ½
Benjamin Juan	897	½ - ½
Maria Sangurska	1100	1 - 0
S Ali Arshad	1231	½ - ½
Malcolm Green	1250	½ - ½
Jay Swann	1272	1 - 0

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1328 = (9821 + 400 * (3 - 1)) / 8)