Event: LCA Division 1

Opponent Rating Result
David H Coates 2047 0 - 1
Nicholas Louth 0 0 - 1
William Orr 1667 1 - 0
John P Mainwaring 136 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

963 = (3850 + 400 * (2 - 2)) / 4)

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