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Individual Calculations April 2009 |
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| Janachkov, Angel Total change: 2.55 | |   |
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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 |
| 2192 | 2243 | 4.00 | 7 | 0.17 | 15 | 2.55 | |
|  Nikolov, Mihail | | | 1893 | BUL | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Popovic, Milos T | m | | 2400 | SRB | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Voiska, Margarita | | wg | 2339 | BUL | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Atanasov, Anatoli | | | 2006 | BUL | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Kukov, Velislav | f | | 2373 | BUL | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Iliev, Atanas | | | 1957 | BUL | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Milchev, Nikolay | m | | 2377 | BUL | 0.50 | 1 | 0.18 | 15 | 2.70 | |
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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