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Individual Calculations April 2015 |
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| Kostov, Nikolay Total change: -60.40 | |   |
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| 137th MGU open | Sofia | BUL | 2015-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1661 | 1832 | 2.50 | 6 | -1.75 | 20 | -35.00 | |
|  Simov, Zahari | | | 1604 | BUL | 0.50 | 1 | -0.29 | 20 | -5.80 | |  Slavejkov, Kristian | | | 1729 | BUL | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Le Borgne, Romain | | | 1707 | FRA | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Kamenov, Valentin | | | 1793 | BUL | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Kosturkov, Krasimir | | | 1700 | BUL | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Tenev, Bogdan | | | 1432 * | BUL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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) | | | | 138th MGU open | Sofia | BUL | 2015-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1687 | 1815 | 2.00 | 5 | -1.27 | 20 | -25.40 | |
| | Krasteva, Beloslava | | | 1485 | BUL | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Koleva, Aleksandrina | | | 1819 | BUL | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Georgiev, Nikolay | | | 1562 | BUL | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Dochev, Delyan | | | 1786 | BUL | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Petrov, Anton | | | 1781 | BUL | 0.00 | 1 | -0.55 | 20 | -11.00 | |
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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