Event: Durham League Division B

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Opponent	Rating	Result
Nigel Hall	1975	½ - ½
Philip Brooks	1601	½ - ½
Peter Townson	1400	0 - 1
Paul D McGuigan	0	0 - 1
Kevin M Waterman	1574	½ - ½
Stephen Carter	0	½ - ½
David Pizzi	1100	1 - 0
Elliott Harris	0	0 - 1

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

856 = (7650 + 400 * (1 - 3)) / 8)