Event: WMA Spring League Division 1

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Opponent	Rating	Result
Julian H Summerfield	1820	0 - 1
Neil J Owen	0	½ - ½
Stephen V Woodhouse	1916	1 - 0
Julian H Summerfield	1820	½ - ½
Neil J Owen	0	0 - 1
Stephen V Woodhouse	1916	1 - 0

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

1245 = (7472 + 400 * (2 - 2)) / 6)