Event: Leon Garfield Rapid-Play Cup

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Opponent	Rating	Result
Clive J Le Baigue	1427	0 - 1
Colin G Gregory	1451	1 - 0
Chris Carpenter	1458	0 - 1
Leon A Garfield	1298	1 - 0
Chris Carpenter	1458	½ - ½
Peter McGill	1597	1 - 0
Harry J Sharples	1567	0 - 1
Joseph Morris	1391	0 - 1

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

1406 = (11647 + 400 * (3 - 4)) / 8)