Event: Division 3

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Opponent	Rating	Result
Philip Sykes	1523	½ - ½
Shane Cooksey	1494	½ - ½
Jannik Poole	1200	1 - 0

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

1539 = (4217 + 400 * (1 - 0)) / 3)