Event: Open-Rapid-play

Opponent Rating Result
Tony Preece 1868 0 - 1
Okwose Marc Obi 1951 1 - 0
Luke Boynton 1968 1 - 0
Tony Preece 1868 0 - 1
Luke Boynton 1968 1 - 0
Okwose Marc Obi 1951 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1996 = (11574 + 400 * (3 - 2)) / 6)

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