Event: Cotswold Open

Opponent Rating Result
Struan Robertson 1724 1 - 0
Philip J Holt 2214 1 - 0
Michael J Ashworth 2212 0 - 1
Joe Varley 2024 0 - 1
Benjamin Lappin 1866 ½ - ½
Tristram DP De Piro 1973 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1936 = (12013 + 400 * (2 - 3)) / 6)

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