Event: Internal Standardplay

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Opponent	Rating	Result
Lilia Irene Giorgetta Belvedere	1359	1 - 0
Paul Mead	1431	1 - 0
Paul Mead	1431	1 - 0
Saiarya Arun	1031	1 - 0
Stephen C Pride	1620	0 - 1
David Cattermole	1684	½ - ½
Stephen C Pride	1639	1 - 0

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

1685 = (10195 + 400 * (5 - 1)) / 7)