Event: Silver Rook

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Opponent Rating Result
Steve DG Huxley 1736 0 - 1
Bernie T Hare 1780 0 - 1
David Booth 1754 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1490 = (5270 + 400 * (0 - 2)) / 3)

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