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Individual Calculations November 2009 |
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| Arvanitis, Georgios Total change: -2.25 | |   |
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| 17th Intern. Chess Tourn. "Honour to National Resistance" | Nikaia - Athens | GRE | 2009-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2084 | 1746 | 0.50 | 3 | 0.14 | 15 | 2.10 | |
|  Siamidis, Dimitrios | | | 2093 | GRE | 0.50 | 1 | 0.39 | 15 | 5.85 | |  Videnova, Iva | | wf | 2146 * | BUL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Tsiropoulas, Apostolos | | | 2014 | GRE | 0.00 | 1 | -0.17 | 15 | -2.55 | | | * 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) | | | | 98th Open Abelokipon | Ambelokipi - Athens | GRE | 2009-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1802 | 1746 | 1.00 | 3 | -0.29 | 15 | -4.35 | |
| | Papadimitriou, I | | | 1848 | GRE | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Zaharopoulos, D | | | 1553 | GRE | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Makkas, Panayotis | | | 2006 | GRE | 0.00 | 1 | -0.18 | 15 | -2.70 | |
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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