Event: Maurice Kent Rapidplay Trophy

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Opponent	Rating	Result
Benjamin Nunns	1746	½ - ½
Richard F Hall	1748	0 - 1
Benjamin Nunns	1746	½ - ½
Richard F Hall	1748	0 - 1

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

1547 = (6988 + 400 * (0 - 2)) / 4)