Event: 2nd Yorkshire Rapidplay Championships - Open

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Opponent	Rating	Result
James Hall	2004	0 - 1
Toby Quaite	1956	1 - 0
Peter Hepworth	1987	0 - 1
Richard Allis	2091	0 - 1
Tim Hilton	1964	½ - ½
Mike Bramson	1948	½ - ½
Sean O McDonald	1989	½ - ½

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

1877 = (13939 + 400 * (1 - 3)) / 7)