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Individual Calculations February 2013 |
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| Karousos-Theodorakis, Nikolaos Total change: -10.20 | |   |
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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 |
| 1385 | 1614 | 2.00 | 4 | -1.08 | 15 | -16.20 | |
|  Kounouvelis, Mihail | | | 1245 | GRE | 1.00 | 1 | 0.10 | 15 | 1.50 | |  Kolyvas, Aris | | | 1425 | GRE | 0.00 | 1 | -0.75 | 15 | -11.25 | | | Gkikas, Vasilios | | | 1564 | GRE | 0.00 | 1 | -0.57 | 15 | -8.55 | | | Georgiou, Konstantinos | | | 1306 | GRE | 1.00 | 1 | 0.14 | 15 | 2.10 | |
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 |
| 1883 | 1666 | 1.50 | 4 | 0.40 | 15 | 6.00 | |
| | Poulos, Georgios | | | 2043 | GRE | 0.50 | 1 | 0.41 | 15 | 6.15 | | | Kouta, Antonia | | | 1379 | GRE | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Panagiotakos, Nikolaos | | | 2066 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Hrisanthopoulos, Dimitrios | | | 2045 | GRE | 0.00 | 1 | -0.09 | 15 | -1.35 | | | * 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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