Event: Division Two

Opponent Rating Result
Richard J E McNally 1989 0 - 1
Nicholas A Walker 2026 ½ - ½
Marcus Walsh 1912 ½ - ½
Philip J Briggs 2143 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1818 = (8070 + 400 * (0 - 2)) / 4)

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