Event: Ipswich Chess Club Championship

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Opponent	Rating	Result
Stuart Benson	1400	1 - 0(def)
Conor Hickey	1450	1 - 0
Simon Riley	1702	0 - 1

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

1576 = (3152 + 400 * (1 - 1)) / 2)