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Individual Calculations June 2019 |
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| Petkov, Momchil Total change: 5.60 | |   |
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| Bulgarian individual school chess championship B17 -2019 | Dobrich | BUL | 2019-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1906 | 2306 | 7.00 | 7 | 0.56 | 20 | 11.20 | |
|  Petkov, Gabriel | | | 1906 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Neshev, Nikola | | | 1906 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Stoyanov, Daniel | | | 1906 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mihaylov, Dimitar | | | 1906 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Milev, Raicho | | | 1906 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ivanov, Ivan | | | 1906 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Keryan, David | | | 1906 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | 69th Bulgarian Team Chess Championship - Men 2019 | Kranevo | BUL | 2019-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2422 | 2306 | 1.50 | 5 | -0.28 | 20 | -5.60 | |
| | Stavrev, Nikolai | | | 2343 | BUL | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Spasov, Vasil | g | | 2497 | BUL | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Terzijski, Kiril | | | 2178 | BUL | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Dimitrov, Radoslav | g | | 2521 | BUL | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Delchev, Aleksander | g | | 2570 | BUL | 0.00 | 1 | -0.18 | 20 | -3.60 | |
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) | | |
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