Event: Rapidplay Championship

PDF Excel

Opponent	Rating	Result
Christopher Brian	1165	1 - 0
Railton W Hyde	1555	0 - 1
Stephen J Emmerton	1607	0 - 1
Mycle Scheuer	1300	1 - 0
Petru Floresc	1975	0 - 1
Glyn D Valentine	1690	0 - 1
Stuart E Hull	1307	1 - 0

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

1457 = (10599 + 400 * (3 - 4)) / 7)