Event: 4-Board Division 2

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Opponent Rating Result
Steve King 109 1 - 0
David J Gibson 113 ½ - ½
Andy Blaylock 50 1 - 0
Ghai Chong 80 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

288 = (352 + 400 * (2 - 0)) / 4)

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