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Individual Calculations April 2009 |
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| Tsakov, Petar Total change: -13.25 | |   |
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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 |
| 2089 | 1998 | 1.00 | 4 | -0.53 | 25 | -13.25 | |
|  Dimitrov, Radoslav | m | | 2348 | BUL | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Ganev, Nikola | | | 1648 | BUL | 1.00 | 1 | 0.11 | 25 | 2.75 | | | Bonev, Todor | | | 2246 | BUL | 0.00 | 1 | -0.19 | 25 | -4.75 | |  Baninska, Tanja | | wf | 2115 | BUL | 0.00 | 1 | -0.34 | 25 | -8.50 | |
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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