Event: Division 1 - Davy Trophy

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Opponent	Rating	Result
Michael D Johnson	167	1 - 0
Farshad Ai	172	1 - 0
John R Mercy	152	1 - 0
Andrew Hards	0	0 - 1
John T Fletcher	184	0 - 1
Andrew Allen	149	½ - ½
Joseph B Bradey	148	0 - 1
Paul Lea-Kime	124	½ - ½
Andrew Allen	149	½ - ½

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

138 = (1245 + 400 * (3 - 3)) / 9)