Event: Holmes Chapel Chess Club Individual Championship

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Opponent	Rating	Result
James Hanlon	1675	0 - 1
Paul G Clifford	1435	0 - 1
Malcolm A Roberts	1673	0 - 1

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

1194 = (4783 + 400 * (0 - 3)) / 3)