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Individual Calculations September 2009 |
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| Petkov, Hristo Total change: 10.95 | |   |
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| 3-rd International Open Chess Festival VARNA | St. st. Constantine and Helena | BUL | 2009-06-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2208 | 2086 | 3.00 | 7 | 0.57 | 15 | 8.55 | |
|  Spiridonov, Nikola | g | | 2359 | BUL | 0.50 | 1 | 0.33 | 15 | 4.95 | |  Danilov, Vladimir | m | | 2410 | ROU | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Rzayev, Bahruz | | | 2273 | AZE | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Kovachev, Radoslav | | | 1736 | BUL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Dimitrov, Radoslav | m | | 2388 | BUL | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Sychev, Klementy | | | 2126 | RUS | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Lilov, Valeri Petrov | | | 2165 | BUL | 0.00 | 1 | -0.39 | 15 | -5.85 | |
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) | | | | 24th open TETEVEN | Teteven | BUL | 2009-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2091 | 2086 | 3.50 | 7 | 0.16 | 15 | 2.40 | |
| | Stoinev, Metodi | | | 2315 | BUL | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Ivanov, Docho | | | 1724 | BUL | 0.50 | 1 | -0.40 | 15 | -6.00 | | | Kavalski, Petko | | | 1787 | CZE | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Arnaudov, Petar | | | 2263 | BUL | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Popov, Georgi | | | 2196 | BUL | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Bochev, Krasimir | | | 2113 | BUL | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Gochev, Mladen | | | 2238 | BUL | 0.50 | 1 | 0.20 | 15 | 3.00 | |
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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