Event: NCCA League Division 2

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Opponent	Rating	Result
John E Dolamore	1778	½ - ½
Michael J Gibbons	1888	½ - ½
Les G Gladwell	1636	½ - ½
Samuel Gaffney	1845	0 - 1
Les G Gladwell	1615	½ - ½
John E Dolamore	1748	0 - 1
Armando Galletti	1765	1 - 0

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

1696 = (12275 + 400 * (1 - 2)) / 7)