Event: Bedfordshire Individual Championship

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Opponent	Rating	Result
Richard McMorran	1655	1 - 0
Michael T Botteley	1928	0 - 1
Andrew Bowler	1747	1 - 0
Ramsey Dairi	1782	1 - 0
Stephen C Ledger	2116	½ - ½
Thomas P O'Brien	1964	½ - ½

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

1999 = (11192 + 400 * (3 - 1)) / 6)