Event: NSDCA VMS Division

PDF Excel

Opponent	Rating	Result
Julian Bulbeck	1503	0 - 1
George Bulbeck	1503	0 - 1
Michael Keenan	1195	0 - 1
Adam Fields	1450	0 - 1
Julian Bulbeck	1503	0 - 1
Steve Ballantyne	1368	½ - ½
George P Jelliss	1315	1 - 0

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

1177 = (9837 + 400 * (1 - 5)) / 7)