Event: OTB U1650 Ladder

PDF Excel

Opponent	Rating	Result
Jean L Mara	1102	0 - 1
David Brittain	1300	½ - ½
John V Jestico	1471	0 - 1
Mark Le Gassicke	1368	0 - 1
Jean L Mara	1102	0 - 1
Jean L Mara	1102	0 - 1
Jean L Mara	1102	1 - 0

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

992 = (8547 + 400 * (1 - 5)) / 7)