Event: Larry Guard League

Opponent Rating Result
Graham A Mill-Wilson 108 1 - 0
Michael Ghillyer 56 1 - 0
Anthony Tatam 92 ½ - ½
Michael Ghillyer 56 0 - 1
Graham A Mill-Wilson 108 0 - 1
Edward L Pryce 65 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

148 = (485 + 400 * (3 - 2)) / 6)

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