Event: MH Brown Summer League Section 1

Opponent Rating Result
Jack Walker 1930 ½ - ½
David J Gibson 1573 1 - 0
Stephen Crow 1876 0 - 1
Phil Bawden 1743 ½ - ½
Jim A Hawksley 1850 0 - 1
Edward S Oxley 1755 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1721 = (10727 + 400 * (1 - 2)) / 6)

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