Event: Hammersmith Rockhammer Cup

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Opponent Rating Result
Christof Brixel 2031 1 - 0
Christof Brixel 2031 ½ - ½
Gaston Franco 1875 ½ - ½
Gregory Shargorodsky 1508 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1961 = (7445 + 400 * (1 - 0)) / 4)

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