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Individual Calculations June 2019 |
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| Petkov, Gabriel Total change: 10.80 | |   |
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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 |
| 1413 | 1262 | 2.00 | 5 | 0.27 | 40 | 10.80 | |
|  Petkov, Momchil | f | | 1662 * | BUL | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Keryan, David | | | 1147 | BUL | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Stoyanov, Daniel | | | 1662 * | BUL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Neshev, Nikola | | | 1323 | BUL | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Ivanov, Ivan | | | 1269 | BUL | 1.00 | 1 | 0.51 | 40 | 20.40 | | | * 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) | | |
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