Event: Division 4B

PDF Excel

Opponent	Rating	Result
James Picton	1708	1 - 0
Oba G Kofi	1353	1 - 0
Ed Swann	1351	½ - ½

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

1737 = (4412 + 400 * (2 - 0)) / 3)