Event: Rapid Play League

Opponent Rating Result
Roger W Jennings 1950 0 - 1
Roger W Jennings 1950 0 - 1
Andy J Bagley 1946 ½ - ½
Andy J Bagley 1946 0 - 1
Peter F Mason 1739 ½ - ½
Peter F Mason 1739 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1612 = (11270 + 400 * (0 - 4)) / 6)

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