Event: IM Brown Shield

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Opponent	Rating	Result
Paul RH Clarke	1741	½ - ½
Paul May	1848	½ - ½
Eric Lyu	1747	½ - ½
Adam Bedi	1974	0 - 1
Geoffrey D Brown	1759	1 - 0
Roger W Jennings	1890	1 - 0
David W Stephenson	1849	1 - 0
Chris Jardine	1815	½ - ½

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

1928 = (14623 + 400 * (3 - 1)) / 8)