Event: Norfolk County Chess Championships

Opponent Rating Result
Samuel Gaffney 1833 1 - 0
John Anderson 2199 ½ - ½
Stephen LA Orton 2159 ½ - ½
Senthil Murugan Palaneappan 1797 1 - 0
Jeff R Dawson 2004 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2078 = (9992 + 400 * (2 - 1)) / 5)

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