Event: Gambit Rapidplay

Opponent Rating Result
Mark SR Radford 1780 0 - 1
Mark SR Radford 1780 1 - 0
John R Huthwaite 1825 ½ - ½
John R Huthwaite 1825 1 - 0
James Bradshaw 1058
James Bradshaw 1058
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1903 = (7210 + 400 * (2 - 1)) / 4)

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