Event: Lytham Club Championship

PDF Excel

Opponent	Rating	Result
Dennis Davies	109	1 - 0
Raymond J Pomeroy	120	1 - 0
Rob Gallagher	157	1 - 0
Paul A Evans	181	0 - 1
Colin Wilks	102	1 - 0

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

374 = (669 + 400 * (4 - 1)) / 5)