Event: IM Brown Shield

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Opponent	Rating	Result
David W Stephenson	1831	0 - 1
John M Allan	1806	½ - ½
Michael Johnson	1740	0 - 1
Jonathon Day	1709	1 - 0
Paul May	1884	1 - 0
John R Mercy	1745	½ - ½
Matt Drury	1685	1 - 0
Warren B Dennison	1920	½ - ½

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

1840 = (14320 + 400 * (3 - 2)) / 8)