Event: B&DCL Div 4

PDF Excel

Opponent	Rating	Result
Paul A Bland	1499	½ - ½
Jason Wang	1550	0 - 1
John R Bowley	1599	0 - 1
Tim Rushworth	1400	1 - 0
Andre F Mills	1534	1 - 0
T Alan Wykes	1590	0 - 1
Damon Guirdham	1664	0 - 1
John Harrison	1550	½ - ½

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

1448 = (12386 + 400 * (2 - 4)) / 8)