Event: Doncaster Bell Trophy

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Opponent	Rating	Result
Peter JE Ackley	201	½ - ½
Ismet Berisha	1792	1 - 0
Phillip J Battye	1627	1 - 0
Farrell P Clifford	1689	1 - 0
Peter JE Ackley	201	0 - 1
Ismet Berisha	1792	1 - 0
Phillip J Battye	1627	1 - 0
Farrell P Clifford	1689	1 - 0

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

1577 = (10618 + 400 * (6 - 1)) / 8)