Event: Open Rapid-play

PDF Excel

Opponent	Rating	Result
Okwose Marc Obi	1917	½ - ½
Jonathan Dale	1848	1 - 0
Tony Preece	1868	1 - 0
Mark A Drugan	1832	½ - ½
Okwose Marc Obi	1917	½ - ½
Jonathan Dale	1848	0 - 1
Tony Preece	1868	1 - 0
Mark A Drugan	1832	½ - ½

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

1966 = (14930 + 400 * (3 - 1)) / 8)