Event: Division 1

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Opponent	Rating	Result
George Fishwick	1739	1 - 0
Paul A Evans	2050	½ - ½
Steve J Horrocks	1959	1 - 0

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

2183 = (5748 + 400 * (2 - 0)) / 3)