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Individual Calculations August 2015 |
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| Kochiev, Ivan Total change: 50.00 | |   |
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| 1st International children chess tournament Elit | Sofia | BUL | 2015-07-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1518 | 1675 | 3.50 | 5 | 0.10 | 40 | 4.00 | |
|  Simonska, Gergana | | | 1275 * | BUL | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Genova, Magdalina | | | 1442 | BUL | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Pavlov, Viktor | | | 1442 | BUL | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Terziev, Dimo | | | 1596 | BUL | 0.50 | 1 | -0.11 | 40 | -4.40 | | | Petrov, Anton | | | 1833 | BUL | 0.00 | 1 | -0.29 | 40 | -11.60 | | | * 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) | | | | The three beeches cup | Kyustendil | BUL | 2015-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1636 | 1675 | 4.50 | 7 | 0.64 | 40 | 25.60 | |
| | Hristov, Deyan | | | 1360 | BUL | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Portokalski, Yordan | | | 1574 | BUL | 0.50 | 1 | -0.14 | 40 | -5.60 | | | Mitev, Valentin | | | 2035 | BUL | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Pavlov, Viktor | | | 1442 | BUL | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Stoyanov, Georgi | | | 1686 | BUL | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Ivanov, Zahari | | | 1523 | BUL | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Petrov, Anton | | | 1833 | BUL | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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) | | | | Open championship for Eastern Europe | Burgas | BUL | 2015-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1927 | 1675 | 1.50 | 5 | 0.51 | 40 | 20.40 | |
| | Berezhkov, Andrey | | | 2033 | RUS | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Stankov, Apostol | | | 1872 | BUL | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Stoyanov, Stojan Slavov | | | 1988 | BUL | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Martinov, Nasko | | | 1916 | BUL | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Ivanov, Iliyan | | | 1824 | BUL | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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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