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Individual Calculations January 2014 |
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| Petrakis, Stylianos Total change: 26.10 | |   |
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| Individual Championship U18 of Hania-Rethimno 2013 | Hania - Rethymno | GRE | 2013-10-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1495 | 1539 | 5.50 | 7 | 1.57 | 15 | 23.55 | |
|  Marinakis, Hristos | | | 1238 | GRE | 1.00 | 1 | 0.15 | 15 | 2.25 | |  Kalikakis, Nikolaos | | | 1375 | GRE | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Ontabasidis, Aristidis | | | 1594 | GRE | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Tzemanakis, Nikolaos | | | 1273 | GRE | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Papadopoulos, Argirios | | | 1939 * | GRE | 1.00 | 1 | 0.92 | 15 | 13.80 | | | Georgakopoulos, Nikolaos K. | | | 1479 | GRE | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Vozinaki, Anthi - Maria | | | 1568 | GRE | 1.00 | 1 | 0.54 | 15 | 8.10 | | | * 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) | | | | 2013 Greek Youth U16 Team championship - Finals | Kavala | GRE | 2013-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1395 | 1516 | 1.50 | 2 | 0.17 | 15 | 2.55 | |
| | Papaioannou, Evagelos | | | 1387 | GRE | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Grafakou, Sotiria-Aphrodite | | | 1402 | GRE | 0.50 | 1 | -0.16 | 15 | -2.40 | |
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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