Event: Division One

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Opponent Rating Result
Lee A Grinsell 187 0 - 1
Maurice J Staples 179 1 - 0
Henrik Stepanyan 211 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

59 = (577 + 400 * (1 - 2)) / 3)

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Opponent Rating Result
Gary Haime 153 1 - 0
Richard CT Parry 155 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

354 = (308 + 400 * (1 - 0)) / 2)