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Individual Calculations July 2015 |
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| Kostin, Andrey Total change: -27.20 | |   |
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| Kaluga Summer 2015 | Kaluga | RUS | 2015-06-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1623 | 1562 | 1.00 | 4 | -0.68 | 40 | -27.20 | |
|  Tolkachev, Grigory | | | 1752 | RUS | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Khabas, Igor | | | 1680 | RUS | 0.00 | 1 | -0.34 | 40 | -13.60 | |  Tolkacheva, Anna | | | 1540 | RUS | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Marchenko, Valeria | | | 1521 | RUS | 1.00 | 1 | 0.44 | 40 | 17.60 | |
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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