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Individual Calculations October 2015 |
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| Potoulis, Ioannis Total change: 73.60 | |   |
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| 12th open Kalamaria 2015 | Thessaloniki | GRE | 2015-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1485 | 1155 | 3.00 | 8 | 1.92 | 40 | 76.80 | |
|  Hatzis-Bakratsas, Alexandros | | | 1555 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Sotiropoulos, Anastasios-Theohar | | | 1541 | GRE | 0.50 | 1 | 0.41 | 40 | 16.40 | |  Gavriil, Odysseas-Panagiotis | | | 1372 | GRE | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Mastrakoulis, Simeon | | | 1479 | GRE | 1.00 | 1 | 0.87 | 40 | 34.80 | | | Tsirlis, Panteleimon | | | 1555 * | GRE | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Samakas, Anastasios | | | 1555 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Galani, Anna | | | 1519 | GRE | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Kokkalis, Grigorios | | | 1303 | GRE | 0.50 | 1 | 0.20 | 40 | 8.00 | | | * 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) | | | | 10th youth team under 12 champioship of ESSTH-HALK 2015 | Thessaloniki | GRE | 2015-09-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1319 | 1155 | 0.50 | 2 | -0.08 | 40 | -3.20 | |
| | Gavriilidis, Orestis | | | 1248 | GRE | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Dritsas, Stavros Nikolaos | | | 1390 | GRE | 0.00 | 1 | -0.21 | 40 | -8.40 | |
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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