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Individual Calculations September 2009 |
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| Orev, Petar Total change: 8.70 | |   |
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| Memorial Kamen Piskov | Sofia | BUL | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2242 | 2235 | 5.00 | 9 | 0.58 | 15 | 8.70 | |
|  Popov, Georgi | | | 2196 | BUL | 0.50 | 1 | -0.05 | 15 | -0.75 | |  Spassov, Liuben | g | | 2427 | BUL | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Radulov, Ivan | g | | 2303 | BUL | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Mitrev, Kiril | | | 2103 | BUL | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Arnaudov, Petar | | | 2263 | BUL | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Ljangov, Petar | | | 2124 | BUL | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Spiridonov, Nikola | g | | 2359 | BUL | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Janakiev, Ivan | m | | 2232 | BUL | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Cholakov, Stefan | | | 2167 | BUL | 0.50 | 1 | -0.09 | 15 | -1.35 | |
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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