Event: Division 2 - Weston Trophy

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Opponent	Rating	Result
Michael J Gallagher-Clark	0	1 - 0
Alan K Sutton	151	½ - ½
Nathaniel Holroyd-Doveton	125	½ - ½
Paul Williams	140	½ - ½
George Peters	137	½ - ½
Joseph B Bradey	150	½ - ½

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

184 = (703 + 400 * (1 - 0)) / 6)