Event: Plummer Trophy

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Opponent	Rating	Result
Gabrielle Balfe	0	1 - 0
Martin H Smedley	0	½ - ½
Stuart Wallace	0	1 - 0
John Abraham	1772	1 - 0
Paul R Selby	1755	½ - ½
Robert W Counsell	1721	1 - 0
Zoe Pellatt	0	1 - 0
Brian J Izzard	1583	1 - 0
Paul Edwards	1767	1 - 0
Nathan Richards	0	1 - 0(def)
Chris Lake	1808	½ - ½

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

1321 = (10406 + 400 * (7 - 0)) / 10)