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Ivan Gromov Online Schools Chess League
2021 season
Ivan Gromov Swiss
Event: Ivan Gromov Swiss
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Excel
Opponent
Rating
Result
Wilfred Hardwick
0
1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games
400 = (0 + 400 * (1 - 0)) / 1)
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