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Individual Calculations January 2013 |
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| Petrakis, Stylianos Total change: 2.55 | |   |
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| Individual Championship of Hania U18 2012 Boys | Hania | GRE | 2012-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1650 | 1550 | 2.00 | 4 | 0.35 | 15 | 5.25 | |
|  Liodakis, Konstantinos-Spyros | | | 1950 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Thomadakis, Nestoras | | | 1246 | GRE | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Naoum, Spyridon | | | 1950 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Georgakopoulos, Nikolaos K. | | | 1452 | GRE | 1.00 | 1 | 0.37 | 15 | 5.55 | | | * 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) | | | | 2012 Greek Youth U16 Team Championship - Finals | Patra | GRE | 2012-12-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1612 | 1550 | 1.50 | 4 | -0.18 | 15 | -2.70 | |
| | Kafkalas, Nikolaos | | | 1542 | GRE | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Apostolakakis, Konstantinos | | | 1776 | GRE | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Stefanatos, Gerasimos | | | 1463 | GRE | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Alexakis, Georgios | | | 1667 | 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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