Event: 4-Board Division 1

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Opponent	Rating	Result
Stephen Greep	1657	½ - ½
Paul SN Kendall	1912	0 - 1
Keith Thompson	1924	1 - 0
Stephen Greep	1657	½ - ½
Paul SN Kendall	1912	0 - 1
Keith Porteous	1673	½ - ½
Joe Varley	2033	0 - 1

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

1710 = (12768 + 400 * (1 - 3)) / 7)