Event: 5th Somerset New Year Minor

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Opponent	Rating	Result
Kevin D Markey	1438	½ - ½
David J Archer	0	1 - 0
Harvey Cooper	0	0 - 1
Keven A Lamb	0	1 - 0
John Jeremiah	0	1 - 0

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

448 = (1438 + 400 * (3 - 1)) / 5)