Event: Doncaster Bell Trophy

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Opponent	Rating	Result
Phillip J Battye	146	0 - 1
Shane Williams	1477	0 - 1
T Ed Sowerby	129	0 - 1
Martin Presley	0	0 - 1
Gerald R Thickett	81	0 - 1
Phillip J Battye	146	0 - 1
Shane Williams	1477	0 - 1
T Ed Sowerby	129	0 - 1
Martin Presley	0	0 - 1
Gerald R Thickett	81	0 - 1

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

-33 = (3666 + 400 * (0 - 10)) / 10)