Event: SCCA Division 1 19/20

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Opponent	Rating	Result
Leon P Burnett	167	½ - ½
Ed Kirkham	146	½ - ½
Jan Balogh	168	½ - ½
Stephen Lewis	174	½ - ½
Andrew Shephard	155	1 - 0
Conrad Simons	165	½ - ½
Philip J Hutchings	162	1 - 0

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

277 = (1137 + 400 * (2 - 0)) / 7)