Event: 6-Board Division 2

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Opponent	Rating	Result
John Scotter	115	½ - ½
George A Darling	140	0(def) - 1
Derek A Sheppard	135	½ - ½
Ashley Clayton	124	0 - 1
John Scotter	115	½ - ½
Ahmet BH Hoscan	149	½ - ½
J Gerry Johnstone	128	½ - ½

performance = (sum(opponents ratings) + 400(wins-losses)) / games

61 = (766 + 400 * (0 - 1)) / 6)