Event: Chessmaster Challenge 80/10

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Opponent	Rating	Result
Paul Terry	1793	0 - 1
Doug Fossey	1076	1 - 0
Gary Winson	1582	½ - ½

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

1484 = (4451 + 400 * (1 - 1)) / 3)