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Individual Calculations September 2009 |
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| Kolomvas, Dimitrios Total change: 23.10 | |   |
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| 13th Heraklio Open 2009 - Group B | N.Heraklio - Attiki | GRE | 2009-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1727 | 1895 | 4.50 | 5 | 0.95 | 15 | 14.25 | |
|  Stergiou, Georgios | | | 1661 | GRE | 1.00 | 1 | 0.21 | 15 | 3.15 | |  Diatsintos, Ilias | | | 1678 | GRE | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Koukoufikis, Ioannis | | | 1826 | GRE | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Athanasopoulos, Stavros | | | 1589 | GRE | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Roumeliotis, Angelos | | | 1881 | GRE | 0.50 | 1 | -0.02 | 15 | -0.30 | |
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) | | | | Ikaros Chess Festival 2009 | 2009 Aegean Open Championship | GRE | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1986 | 1880 | 2.00 | 7 | -0.79 | 15 | -11.85 | |
| | Koepke, Christian | f | | 2280 * | GER | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Papadopoulos, Georgios | | | 1653 | GRE | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Goumas, Ioannis | | | 2231 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Srebrnic, Ana | | wg | 2262 | SLO | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Teskos, Georgios | | | 1647 | GRE | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Singleton, Michael P F | | | 2175 | ENG | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Efkarpidis, Stylianos | | | 1655 | GRE | 0.00 | 1 | -0.78 | 15 | -11.70 | | | * 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) | | | | Intern. Amateur Chess Tournament "Acropolis U.2200 2009" | Halkida | GRE | 2009-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2042 | 1880 | 3.50 | 7 | 1.38 | 15 | 20.70 | |
| | Rizos, Georgios | | | 2163 | GRE | 1.00 | 1 | 0.84 | 15 | 12.60 | | | Sideris, Theodoros | | | 2104 | GRE | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Vazelakis, Dimitrios | | | 2028 | GRE | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Stoumbos, Konstantinos | | | 2195 | GRE | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Kokolias, Konstantinos | | | 2133 | GRE | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Mitrou, Vasiliki | | | 1661 | GRE | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Kaldis, Georgios | | | 2009 | GRE | 0.00 | 1 | -0.33 | 15 | -4.95 | |
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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