Event: Chessmaster Challenge 80/10

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Opponent	Rating	Result
Michael Brant	990	1 - 0
Tony Lee	1187	1 - 0
Andrew T Watson	1391	0 - 1

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

1323 = (3568 + 400 * (2 - 1)) / 3)