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Individual Calculations April 2009 |
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| Petkov, Hristo Total change: -11.85 | |   |
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| 31st Bulgarian Open Chmpionship - Georgi Tringov Memorial 01.02.2009-07.02.2009 | Plovdiv | BUL | 2009-02-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2117 | 2098 | 2.50 | 7 | -0.79 | 15 | -11.85 | |
|  Chatalbashev, Boris | g | | 2448 | BUL | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Ballas, Athanasios-Panagiotis | | | 1748 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Harizanova, Marina | | | 1748 | BUL | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Stoinev, Metodi | | | 2324 | BUL | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Dobrev, Nanko | m | | 2409 | BUL | 0.50 | 1 | 0.36 | 15 | 5.40 | | | Janev, Tihomir | | | 2297 | BUL | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Hristov, Nikolay1 | | | 1845 | BUL | 0.00 | 1 | -0.81 | 15 | -12.15 | |
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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