Event: Burton one-hour tournament

Opponent Rating Result
Piotr Natoniewski 0
Roger Bird 0
Graeme Drayton 1316 1 - 0
Vinod M Fernando 1919
Ryan L. Smith 0
Nigel Beard 1550
David J Pickering 1735
Trevor C Bould 0
Edmund M. Jones 0
Anushka M. Ramawickrama 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1716 = (1316 + 400 * (1 - 0)) / 1)

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