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Individual Calculations April 2009 |
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| Sahinidis, Evagelos Total change: -14.85 | |   |
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| BOYS UNDER 12 - THESSALONIKI CHAMP. 2009 | Thessaloniki | GRE | 2009-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1607 | 1723 | 0.00 | 1 | -0.66 | 15 | -9.90 | |
|  Batzolis, Georgios | | | 1607 | GRE | 0.00 | 1 | -0.66 | 15 | -9.90 | |
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) | | | | 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 |
| 2073 | 1723 | 0.00 | 3 | -0.33 | 15 | -4.95 | |
| | Radulski, Julian | g | | 2073 | BUL | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Yordanova, Svetla | | wm | 2073 | BUL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Nikolov, Jordan | | | 2073 | BUL | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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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