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Individual Calculations February 2013 |
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| Petrogiannopoulos, Marinos Total change: -9.90 | |   |
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| 2012 ESSNA Team championship under 12 - "Dimitris Siametis" | Attica | GRE | 2012-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1280 | 1402 | 0.50 | 1 | -0.17 | 30 | -5.10 | |
|  Tsoukalas, Konstantinos G. | | | 1280 | GRE | 0.50 | 1 | -0.17 | 30 | -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) | | | | 1st Christmas Open 2012 - Skakistiki Epikoinonia - A' Group | Athens | GRE | 2012-12-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1802 | 1402 | 0.00 | 2 | -0.16 | 30 | -4.80 | |
| | Panagiotakos, Nikolaos | | | 1802 * | GRE | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Efthimiou, Georgios | | | 1802 * | GRE | 0.00 | 1 | -0.08 | 30 | -2.40 | | | * 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) | | |
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