Event: Nuneaton Internal Tournament 2

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Opponent	Rating	Result
Mark Fisher	0	1 - 0
Anthony J Green	0	½ - ½
Thomas Glenn	0	1 - 0
Colin J Green	0	1 - 0
Paul R Davies	0	1 - 0

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

320 = (0 + 400 * (4 - 0)) / 5)