Event: Division 3

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Opponent	Rating	Result
John Nevin	1475	0 - 1
Dale Stevenson	1536	½ - ½
Dillan Daultrey	1200	1 - 0

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

1404 = (4211 + 400 * (1 - 1)) / 3)