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Individual Calculations April 2015 |
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| Kolev, Georgi Total change: -22.40 | |   |
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| Bulgarian championship boys U10 2015 | Pleven | BUL | 2015-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1387 | 1475 | 2.50 | 5 | -0.56 | 40 | -22.40 | |
|  Kostadinov, Stilyan | | | 1306 | BUL | 0.50 | 1 | -0.22 | 40 | -8.80 | |  Genov, Valentin | | | 1393 | BUL | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Koev, Koycho | | | 1472 | BUL | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Kolev, Lachezar | | | 1510 | BUL | 0.00 | 1 | -0.45 | 40 | -18.00 | | | Ramadanov, Esat | | | 1252 | BUL | 0.00 | 1 | -0.78 | 40 | -31.20 | |
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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