Event: D&DCL Div 3

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Opponent	Rating	Result
Roger Moors	1603	½ - ½
Peter M Collins	1676	½ - ½
Philip Sheldon	1685	1 - 0
Pierre Reynaud	0	1 - 0
Colin Ross	1420	1 - 0
Roger Moors	1603	½ - ½
Stephen Lamont	1683	½ - ½
Travis Hackett	1654	1 - 0
Matthew Caswell	1628	½ - ½

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

1617 = (12952 + 400 * (4 - 0)) / 9)