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Individual Calculations April 2009 |
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| Dilkov, Valentin Total change: -20.50 | |   |
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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 |
| 2206 | 1953 | 0.00 | 4 | -0.82 | 25 | -20.50 | |
|  Vasovski, Nikola | m | | 2303 | MKD | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Lilov, Valeri | f | | 2303 | BUL | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Garnizov, Ivan | | | 2015 | BUL | 0.00 | 1 | -0.41 | 25 | -10.25 | | | Yordanova, Svetla | | wm | 2202 | BUL | 0.00 | 1 | -0.19 | 25 | -4.75 | |
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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