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Rapid:
Individual Calculations April 2013 |
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| Koleva, Aleksandrina Total change: 4.80 | |   |
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| 5th Young Chess Cup Levski | Sofia | BUL | 2013-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1919 | 1661 | 1.00 | 4 | 0.24 | 20 | 4.80 | |
|  Hristov, Nikolay Valeriev | | | 1921 | BUL | 0.00 | 1 | -0.18 | 20 | -3.60 | |  Kovachev, Ivan | | | 1999 | BUL | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Sisoev, Robert | | | 1809 | BUL | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Petrov, Martin | | | 1945 | BUL | 0.00 | 1 | -0.16 | 20 | -3.20 | |
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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