Event: Silver Rook

PDF Excel

Opponent	Rating	Result
Wiki Rybus	1497	½ - ½
Jimmy Blair	1458	0 - 1
Francis J Bowers	1908	0 - 1

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

1354 = (4863 + 400 * (0 - 2)) / 3)