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Individual Calculations August 2017 |
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| Petrov, Preslav Total change: -50.00 | |   |
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| National team championship for boys to 12 years old 2017 | Borovets | BUL | 2017-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1336 | 1469 | 2.00 | 5 | -1.25 | 40 | -50.00 | |
|  Mladenov, Hristo | | | 1199 | BUL | 0.50 | 1 | -0.33 | 40 | -13.20 | |  Koev, Koycho | | | 1389 | BUL | 0.50 | 1 | -0.11 | 40 | -4.40 | | | Kan, Efim | | | 1637 | BUL | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Milev, Kristiyan | | | 1388 | BUL | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Karov, Aleksandar | | | 1069 * | BUL | 0.00 | 1 | -0.92 | 40 | -36.80 | | | * 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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