Event: WMA Spring League Division 1

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Opponent	Rating	Result
Marcus Walsh	1879	½ - ½
Scott Russell	1623	0 - 1
Sam Foster	1525	0 - 1
Colin G Vernon	1420	0 - 1
Marcus Walsh	1879	0 - 1
Scott Russell	1623	0 - 1
Sam Foster	1525	0 - 1
Colin G Vernon	1420	0 - 1

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

1262 = (12894 + 400 * (0 - 7)) / 8)