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Individual Calculations January 2014 |
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| Grafakou, Sotiria-Aphrodite Total change: 5.70 | |   |
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| 2013 ESSNA Youth (Paidon-Korasidon) U16 Team championship | Attica | GRE | 2013-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1398 | 1390 | 2.50 | 5 | 0.05 | 15 | 0.75 | |
|  Boulamatsis, Konstantinos | | | 1460 | GRE | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Mantzakouras, Loukas | | | 1301 | GRE | 1.00 | 1 | 0.38 | 15 | 5.70 | |  Giavasopoulos, Thomas | | | 1518 | GRE | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Klidaras, Dimitrios | | | 1343 | GRE | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Kavvadas, Dionisios | | | 1368 | GRE | 0.50 | 1 | -0.03 | 15 | -0.45 | |
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) | | | | 2013 Attica Youth U12 Team championship | Attica | GRE | 2013-09-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1450 | 1390 | 2.50 | 7 | -0.50 | 15 | -7.50 | |
| | Giavasopoulos, Thomas | | | 1518 | GRE | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Kavvadas, Dionisios | | | 1368 | GRE | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Abelakiotis, Stavros | | | 1464 | GRE | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Beliotis, Georgios | | | 1529 | GRE | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Alexakis, Georgios | | | 1724 | GRE | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Kounouvelis, Mihail | | | 1287 | GRE | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Kopakakis-Belbas, Odysseas | | | 1263 | GRE | 0.00 | 1 | -0.67 | 15 | -10.05 | |
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) | | | | 2013 Greek Youth U16 Team championship - Finals | Kavala | GRE | 2013-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1543 | 1402 | 2.50 | 5 | 0.83 | 15 | 12.45 | |
| | Xhuveli, Dion | | | 1445 | GRE | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Serpetsidakis, Nikolaos | | | 1660 | GRE | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Petrakis, Stylianos | | | 1516 | GRE | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Alygizakis, Apostolos | | | 1325 | GRE | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Alexakis, Georgios | | | 1768 | GRE | 0.00 | 1 | -0.10 | 15 | -1.50 | |
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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