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Rapid:
Individual Calculations September 2017 |
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| Ermakov, Boris Total change: -12.80 | |   |
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| Day of chess open 2017 Rapid | Kolomna | RUS | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1780 | 1803 | 2.50 | 6 | -0.64 | 20 | -12.80 | |
|  Selifonova, Aleksandra | | | 1977 | RUS | 0.00 | 1 | -0.27 | 20 | -5.40 | |  Dmitrievskaya, Ekaterina | | | 1403 * | RUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Chugunov, Maksim | | | 1537 | RUS | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Samoilov, Andrey | | | 2203 * | RUS | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Gonov, Sergey | | | 1995 | RUS | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Chertkov, Maksim | | | 1564 | RUS | 0.00 | 1 | -0.80 | 20 | -16.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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