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2021-22 Season
City Chess Plate 2021-22
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Event: City Chess Plate 2021-22
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Excel
Opponent
Rating
Result
Widianto Siek
1990
½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1990 = (1990 + 400 * (0 - 0)) / 1)
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