Event: D&DCL Div 2

PDF Excel

Opponent	Rating	Result
Mike Allen	123	½ - ½
David Hoddy	128	1 - 0
Stephen Lamont	143	½ - ½
Maurice J Hill	150	½ - ½
Nigel D Marshall	116	1 - 0

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

292 = (660 + 400 * (2 - 0)) / 5)