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Individual Calculations November 2011 |
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| Koutsidis, Achilleas Total change: -6.75 | |   |
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| 19th inter. open Nikaia - Honor to National Resistance - B' Group | Nikaia - Athens | GRE | 2011-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1584 | 1554 | 1.00 | 4 | -0.78 | 15 | -11.70 | |
|  Arnaoutoglou, Vyron | | | 1732 | GRE | 0.00 | 1 | -0.27 | 15 | -4.05 | |  Kokkota, Fotini | | | 1225 | GRE | 0.50 | 1 | -0.38 | 15 | -5.70 | | | Retkowski, Daniel | | | 1669 | POL | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Nteoudis, Konstantinos | | | 1711 | GRE | 0.00 | 1 | -0.29 | 15 | -4.35 | |
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) | | | | 3rd Papanastasio open 2011 | Peristeri - Athens | GRE | 2011-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1839 | 1543 | 1.00 | 4 | 0.33 | 15 | 4.95 | |
| | Hristodoulou, Panagiotis | | | 1943 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Fakkas, Argiris | | | 1794 | GRE | 1.00 | 1 | 0.81 | 15 | 12.15 | | | Sidiropoulos, Nikolaos | | | 1931 | GRE | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Kazaglis, Dimitrios-Stefanos | | | 1687 | GRE | 0.00 | 1 | -0.31 | 15 | -4.65 | | | * 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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