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Individual Calculations February 2014 |
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| Psoma, Virginia Total change: 8.70 | |   |
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| 11th Open tournament Panellinios GS-APO Kotinos under 1800 | Athens | GRE | 2013-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1744 | 1542 | 1.50 | 5 | 0.17 | 15 | 2.55 | |
|  Kokkoris, Haralambos | | | 1892 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Tsounis, Serafim | | | 1835 | GRE | 1.00 | 1 | 0.85 | 15 | 12.75 | |  Deftereos, Pavlos-Efstathios | | | 1796 | GRE | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Samartzis, Mihail | | | 1810 | GRE | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Tsonis, Loukas | | | 1388 | GRE | 0.50 | 1 | -0.21 | 15 | -3.15 | |
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) | | | | 11th open SO Peristeriou | Athens - Peristeri | GRE | 2013-11-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1640 | 1542 | 2.00 | 4 | 0.41 | 15 | 6.15 | |
| | Sienczewski, Zbigniew | | | 1942 * | POL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Gamvrinos, Haralabos | | | 1142 * | GRE | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Diatsintos, Ilias | | | 1535 | GRE | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Fragkos, Vasilios | | | 1942 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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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