Event: 4-Board Division 2

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Opponent	Rating	Result
Oleg Dukalev	142	½ - ½
Roger K Noble	134	½ - ½
R Malcolm Hara	124	0 - 1

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

0 = (400 + 400 * (0 - 1)) / 3)