Event: Div 1 - Davy Trophy

PDF Excel

Opponent	Rating	Result
Szilard Tamas	1900	0 - 1
John A Clark	1771	0 - 1
Stuart Crosthwaite	1966	½ - ½
Jay Ryalls	0	½ - ½
Steve Withington	1717	0 - 1
Peter Cooper	1629	1 - 0
Pat Connolly	1638	1 - 0

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

1460 = (10621 + 400 * (2 - 3)) / 7)