Event: Doncaster Bell Trophy

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Opponent	Rating	Result
Richard E Desmedt	143	0 - 1
Peter M Tate	110	1 - 0
Shane Williams	1488	1 - 0
Paul Hagan	0	1 - 0
Gerald R Thickett	81	1 - 0
Peter M Tate	110	1 - 0
Richard E Desmedt	143	0 - 1
Shane Williams	1488	1 - 0
Paul Hagan	0	1 - 0
Gerald R Thickett	81	0 - 1

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

524 = (3644 + 400 * (7 - 3)) / 10)