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Individual Calculations November 2009 |
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| Grigoriadis, Mihail Total change: -33.90 | |   |
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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 |
| 2037 | 1723 | 0.50 | 3 | 0.08 | 15 | 1.20 | |
|  Ponirakis, Dimitrios | | | 2032 | GRE | 0.50 | 1 | 0.36 | 15 | 5.40 | |  Papahristoudis, Anastasios | | | 2067 | GRE | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Sirkova, Darena | | | 2012 | BUL | 0.00 | 1 | -0.16 | 15 | -2.40 | |
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) | | | | 1st PAPANASTASIO | Peristeri - Athens | GRE | 2009-09-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1609 | 1716 | 1.00 | 4 | -1.55 | 15 | -23.25 | |
| | Gogolis, Alexandros | f | | 2116 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Douni, Aspasia | | | 1345 | GRE | 1.00 | 1 | 0.10 | 15 | 1.50 | | | Kalofonos, Panayotis | | | 1449 | GRE | 0.00 | 1 | -0.82 | 15 | -12.30 | | | Bellos, Evangelos | | | 1526 | GRE | 0.00 | 1 | -0.75 | 15 | -11.25 | | | * 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) | | | | 4o open ASOP DIAS 2009 | Petroupoli - Athens | GRE | 2009-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1869 | 1716 | 0.50 | 4 | -0.79 | 15 | -11.85 | |
| | Korlotsidis, Spiridon | | | 1965 | GRE | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Bellos, Ioannis | | | 1698 | GRE | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Linos, Efstathios | | | 1738 | GRE | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Taylor, Michael | | | 2074 | ENG | 0.00 | 1 | -0.10 | 15 | -1.50 | |
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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