Event: Hammersmith Sledgehammer Cup

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Opponent Rating Result
Wayne Laviniere 1419 0 - 1
Thomas Ewart 1343 ½ - ½
Robert Ferguson 1365 0 - 1
Nadim Osseiran 1281 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1152 = (5408 + 400 * (0 - 2)) / 4)

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