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Individual Calculations November 2021 |
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| Kolberg, Jason Total change: -46.40 | |   |
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| Quad-City Chess Open 2021 | Moline, Illinois | USA | 2021-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1507 | 1790 | 0.50 | 2 | -1.16 | 40 | -46.40 | |
|  Bruemmer, Don J | | | 1587 | USA | 0.50 | 1 | -0.26 | 40 | -10.40 | |  Kolli, Sai | | | 1426 | USA | 0.00 | 1 | -0.90 | 40 | -36.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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