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Individual Calculations August 2018 |
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| Kefalas, Sotirios Total change: 32.40 | |   |
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| 46th open SOP SMAOK 2018 under 1900 | Pagkrati | GRE | 2018-05-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1518 | 1335 | 2.00 | 4 | 0.85 | 40 | 34.00 | |
|  Koulis, Vasileios | | | 1651 | GRE | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Nikolaidis, Georgios | | | 1666 | GRE | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Poupalos, Alexandros | | | 1243 | GRE | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Fotiadis, Kleanthis | | | 1513 | GRE | 1.00 | 1 | 0.73 | 40 | 29.20 | |
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) | | | | 16th Fysiolatriko open 2018 - B group | Nikaia | GRE | 2018-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1100 | 1335 | 2.50 | 4 | -0.67 | 40 | -26.80 | |
| | Arapkoules, Symeon | | | 1103 | GRE | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Zeitounian, Panagiotis | | | 1161 | GRE | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Drakonakis, Athanasios | | | 1117 | GRE | 0.00 | 1 | -0.78 | 40 | -31.20 | | | Kosmadakis, Georgios | | | 1017 | GRE | 1.00 | 1 | 0.13 | 40 | 5.20 | |
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) | | | | 2018 Greek under 16 youth championship finals - open | Rio Achaias | GRE | 2018-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1593 | 1335 | 2.50 | 9 | 0.63 | 40 | 25.20 | |
| | Sotiropoulos, Anastasios-Theohar | | | 1735 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Koutis, Pavlos | | | 1655 | GRE | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Stamatis, Vasilios | | | 1735 * | GRE | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Kormas, Georgios | | | 1705 | GRE | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Papadopoulos, Dimitrios Ath | | | 1609 | GRE | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Symeonidis, Theofilos | | | 1605 | GRE | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Oumoutidis, Christos | | | 1516 | GRE | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Zgouletas, Ioannis | | | 1554 | GRE | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Souretis, Athanasios | | | 1221 | GRE | 0.50 | 1 | -0.16 | 40 | -6.40 | | | * 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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