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Individual Calculations May 2010 |
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| Trifonova, Sandra Total change: -13.05 | |   |
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| Preliminarie A' Category 2010 ESSTH-H | Thessaloniki-Halkidiki | GRE | 2010-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1610 | 2010 | 1.00 | 1 | 0.08 | 15 | 1.20 | |
|  Agorastoudis-Vlahos, Ioakim | | | 1610 * | GRE | 1.00 | 1 | 0.08 | 15 | 1.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | OREOKASTRO YOUNG CHESS WEEKEND-2010 | Thessaloniki | GRE | 2010-02-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1740 | 2010 | 1.50 | 2 | -0.11 | 15 | -1.65 | |
| | Koutroukis, Andreas | | | 1870 | GRE | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Ballas, Athanasios-Panagiotis | | | 1610 * | GRE | 1.00 | 1 | 0.08 | 15 | 1.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Bulgarian Chess Championship for Girls 18 years old | Plovdiv | BUL | 2010-03-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1753 | 2010 | 4.00 | 6 | -0.84 | 15 | -12.60 | |
| | Ivanova, Gergana | | | 1682 | BUL | 0.00 | 1 | -0.87 | 15 | -13.05 | |  Vasileva, Veronika | | | 1641 | BUL | 1.00 | 1 | 0.10 | 15 | 1.50 | | | Todorova, Kalina | | | 1786 | BUL | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Tsekova, Viktoria | | | 1860 | BUL | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Kosturska, Yoana | | | 1819 | BUL | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Dimitrova, Aseniya | | | 1729 | BUL | 0.50 | 1 | -0.34 | 15 | -5.10 | |
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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