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Individual Calculations October 2021 |
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| Ostrovskiy, Aleksandr Total change: -9.50 | |   |
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| Labor Day 2021 CCCSA GM Norm Invitational - A | Charlotte, North Carolina | USA | 2021-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2459 | 2416 | 3.00 | 9 | -0.95 | 10 | -9.50 | |
|  Guo, Arthur | m | | 2446 | USA | 0.50 | 1 | 0.04 | 10 | 0.40 | |  Bora, Safal | m | | 2423 | USA | 0.00 | 1 | -0.49 | 10 | -4.90 | | | Dragun, Kamil | g | | 2555 | POL | 0.50 | 1 | 0.19 | 10 | 1.90 | | | Yoo, Christopher | m | | 2466 | USA | 0.00 | 1 | -0.43 | 10 | -4.30 | | | Beradze, Irakli | m | | 2479 | GEO | 0.50 | 1 | 0.09 | 10 | 0.90 | | | Mardov, Dimitar | f | | 2356 | USA | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Ringoir, Tanguy | g | | 2479 | BEL | 0.50 | 1 | 0.09 | 10 | 0.90 | | | Ali Marandi, Cemil Can | g | | 2530 | TUR | 0.00 | 1 | -0.34 | 10 | -3.40 | | | Griffith, Kyron | m | | 2401 | USA | 0.50 | 1 | -0.02 | 10 | -0.20 | |
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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