Event: Iceni Live Classic 4 Challengers

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Opponent	Rating	Result
William Mackintosh	0	1 - 0
Michael MJ Osborn	1505	0 - 1
Heather Enid Wells	1249	½ - ½
Bernard Ross	1193	½ - ½
Shivum Gordon-Shah	1546	1 - 0
Gerry Clayton	1483	0 - 1

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

1163 = (6976 + 400 * (2 - 2)) / 6)