Event: NCCA League Division 4

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Opponent	Rating	Result
Paul J Coppard	1264	0 - 1
Evghenii Sevciuc	1584	0 - 1
Dennis G Driscoll	1370	1 - 0
Paul J Coppard	1264	1 - 0
Tony Piper	1353	½ - ½
Lawrence Poll	1488	½ - ½
Richie Allen	1400	1 - 0

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

1446 = (9723 + 400 * (3 - 2)) / 7)