Event: IM Brown Shield

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Opponent	Rating	Result
Neil Griffiths	1577	½ - ½
Thabiso Mupfiga	1422	1 - 0
Ian Gaskin	1357	½ - ½
Joshua Tedder	1576	0 - 1
Ben D Science	1679	½ - ½
Peter Gregory	1544	½ - ½
Dominik Pitel	1593	1 - 0
Vivien Webster	1620	½ - ½

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

1596 = (12368 + 400 * (2 - 1)) / 8)