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Individual Calculations April 2009 |
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| Voinas, Marios Total change: 15.50 | |   |
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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 |
| 2098 | 1998 | 2.50 | 5 | 0.62 | 25 | 15.50 | |
|  Milchev, Nikolay | m | | 2348 | BUL | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Popov, Petar | m | | 2279 | BUL | 0.50 | 1 | 0.34 | 25 | 8.50 | | | Garnizov, Ivan | | | 2015 | BUL | 1.00 | 1 | 0.52 | 25 | 13.00 | | | Yordanova, Svetla | | wm | 2202 | BUL | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Ballas, Athanasios-Panagiotis | | | 1648 | GRE | 1.00 | 1 | 0.11 | 25 | 2.75 | |
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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