Event: Ipswich Chess Club Championship

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Opponent	Rating	Result
Ken Lunn	1542	1 - 0
Kenneth Fowler	1450	1 - 0
Philip J Chapman	1287	1 - 0

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

1826 = (4279 + 400 * (3 - 0)) / 3)