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Individual Calculations January 2011 |
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| Kalchev, Sava Total change: 18.50 | |   |
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| Student Championship | Sofia | BUL | 2010-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 1663 | 1.50 | 5 | 0.74 | 25 | 18.50 | |
|  Tsekov, Svetozar | | | 2063 * | BUL | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Dimitrov, Alexander | | | 2009 | BUL | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Naydenova, Yordanka | | | 1879 | BUL | 1.00 | 1 | 0.78 | 25 | 19.50 | | | Ivanov, Borislav | | | 2063 * | BUL | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Stoyanov, Stefan | | | 1839 | BUL | 0.50 | 1 | 0.23 | 25 | 5.75 | | | * 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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