Event: Silver Rook

PDF Excel

Opponent	Rating	Result
Steve DG Huxley	1736	0 - 1
Bernie T Hare	1780	0 - 1
David Booth	1754	½ - ½

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

1490 = (5270 + 400 * (0 - 2)) / 3)