Event: Portsmouth Club Championship

PDF Excel

Opponent	Rating	Result
David E C (jnr) Ross	1757	1 - 0
Charlie Shipp	0	1 - 0
Kevin Johnson	1289	1 - 0

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

1415 = (3046 + 400 * (3 - 0)) / 3)