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Individual Calculations December 2013 |
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| Sirkova, Darena Total change: -3.00 | |   |
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| National Students Championship 2013 | Sofia | BUL | 2013-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2118 | 1951 | 1.00 | 4 | -0.20 | 15 | -3.00 | |
|  Tsekov, Svetozar | | | 2211 | BUL | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Tsekova, Viktoria | | | 1887 | BUL | 1.00 | 1 | 0.41 | 15 | 6.15 | |  Raev, Rostislav | | | 2253 | BUL | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Kirov, Dimitar | | | 2120 | BUL | 0.00 | 1 | -0.28 | 15 | -4.20 | |
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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