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Individual Calculations April 2019 |
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| Bonev, Martin Total change: 19.60 | |   |
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| National individual chess championship B10 | Valiko Tarnovo | BUL | 2019-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1283 | 1064 | 1.50 | 4 | 0.49 | 40 | 19.60 | |
|  Ivanov, Ivan T. | | | 1390 | BUL | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Dimitrov, Martin | | | 1464 * | BUL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Valchev, Martin V | | | 1139 | BUL | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Chamurkov, Veselin | | | 1138 | BUL | 0.50 | 1 | 0.10 | 40 | 4.00 | | | * 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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