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Individual Calculations July 2015 |
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| Kostov, Nikolay Total change: 33.00 | |   |
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| 144th MGU open | Sofia | BUL | 2015-06-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1737 | 1763 | 2.50 | 3 | 0.89 | 20 | 17.80 | |
|  Georgiev, Nikolay | | | 1563 | BUL | 1.00 | 1 | 0.24 | 20 | 4.80 | |  Mladenov, Andrey | | | 1707 | BUL | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Stamenov, Valeriy | | | 1942 | BUL | 1.00 | 1 | 0.73 | 20 | 14.60 | |
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) | | | | 145th MGU open | Sofia | BUL | 2015-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1749 | 1763 | 3.50 | 6 | 0.50 | 20 | 10.00 | |
| | Gadzhev, Denislav | | | 1381 | BUL | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Patev, Petko | | | 1897 | BUL | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Stoilov, Aleksandar | | | 1789 | BUL | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Dochev, Delyan | | | 1884 | BUL | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Tashev, Aleksandar | | | 1878 | BUL | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Mehmed, Elif | | | 1665 | BUL | 0.50 | 1 | -0.13 | 20 | -2.60 | |
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) | | | | 146th MGU open | Sofia | BUL | 2015-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1717 | 1763 | 3.00 | 5 | 0.26 | 20 | 5.20 | |
| | Genchev, Petar | | | 1363 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Metev, Martin | | | 2052 | BUL | 0.50 | 1 | 0.34 | 20 | 6.80 | | | Mladenov, Andrey | | | 1707 | BUL | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Mehmed, Elif | | | 1665 | BUL | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Vasilev, Lyuboslav | | | 1799 | BUL | 0.50 | 1 | 0.05 | 20 | 1.00 | | | * 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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