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Individual Calculations February 2013 |
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| Kouta, Vasiliki Total change: 15.00 | |   |
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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 |
| 1422 | 1287 | 1.00 | 3 | 0.05 | 15 | 0.75 | |
|  Margaritis, Andreas | | | 1436 | GRE | 1.00 | 1 | 0.70 | 15 | 10.50 | |  Maxilaris, Aggelos | | | 1450 | GRE | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Stergiotis, Fragkiskos | | | 1379 | GRE | 0.00 | 1 | -0.37 | 15 | -5.55 | |
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 |
| 1665 | 1286 | 0.50 | 3 | 0.22 | 15 | 3.30 | |
| | Sideris, Theodoros | | | 1686 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Panagiotakos, Petros | | | 1686 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Tsivourakis, Panteleimon | | | 1623 | GRE | 0.50 | 1 | 0.38 | 15 | 5.70 | | | * 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) | | | | 2nd Christmas tournament of Nikaia - B' Group | Athens - Nikaia | GRE | 2013-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1405 | 1289 | 2.50 | 5 | 0.73 | 15 | 10.95 | |
| | Maxilaris, Aggelos | | | 1466 | GRE | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Tagklis, Ioannis | | | 1494 | GRE | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Ioannidis, Georgios Alexandros | | | 1548 | GRE | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Kouta, Antonia | | | 1395 | GRE | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Stellaki, Alexandra | | | 1121 | GRE | 1.00 | 1 | 0.28 | 15 | 4.20 | |
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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