Event: Summer Rapidplay

PDF Excel

Opponent	Rating	Result
Tim Hind	1000	1 - 0
Sam Stevenson	1045	1 - 0
Freya Hind	577	1 - 0
Richard Stevenson	970	1 - 0
Michael J Creaney	1649	1 - 0
Iain Mellis	1705	1 - 0
Joe McGinnis	1506	1 - 0

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

1607 = (8452 + 400 * (7 - 0)) / 7)