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Individual Calculations May 2017 |
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| Petrov, Ivo Total change: -20.40 | |   |
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| Bulgarian chess championship for juniors U12 - 2017 | Plovdiv | BUL | 2017-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1252 | 1241 | 2.50 | 6 | -0.51 | 40 | -20.40 | |
|  Kan, Efim | | | 1641 * | BUL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Hristov, Ivan | | | 1279 | BUL | 0.50 | 1 | 0.05 | 40 | 2.00 | | | Kostadinov, Stilyan | | | 1410 | BUL | 0.00 | 1 | -0.28 | 40 | -11.20 | |  Klaklov, Adrian | | | 1121 | BUL | 0.50 | 1 | -0.16 | 40 | -6.40 | | | Raychinov, Antoan | | | 1012 | BUL | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Genov, Svetlin | | | 1049 | BUL | 1.00 | 1 | 0.25 | 40 | 10.00 | | | * 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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