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Individual Calculations September 2010 |
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| Vatkali, Dimitra Total change: 50.85 | |   |
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| 20th Greek Open Indiv. Champ. Preliminaries ESSAMTH | Kavala | GRE | 2010-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 1913 | 4.00 | 7 | 0.21 | 15 | 3.15 | |
|  Kafetzi, Aggeliki | | | 1599 | GRE | 0.00 | 1 | -0.86 | 15 | -12.90 | |  Sourgkounis, Angelos | | | 1886 | GRE | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Bakirtzis, Triantafillos | | | 1634 | GRE | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Moshou, Alexia | | | 1674 | GRE | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Ketzetzis, Georgios | | | 2227 | GRE | 1.00 | 1 | 0.86 | 15 | 12.90 | | | Aftsoglou, Ioannis | | | 2174 | GRE | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Manelidis, Savvas | | | 1966 | GRE | 0.00 | 1 | -0.43 | 15 | -6.45 | |
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) | | | | 28th Greek Individual Championships Open U16 - 2010 | Kallithea Halkidiki | GRE | 2010-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1859 | 1913 | 5.50 | 9 | 0.55 | 15 | 8.25 | |
| | Lezgidis, Fotios | | | 1572 | GRE | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Tsironis, Alexandros | | | 1735 | GRE | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Galopoulos, Panagiotis | f | | 2095 | GRE | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Agorastoudis-Vlahos, Ioakim | | | 1527 | GRE | 1.00 | 1 | 0.09 | 15 | 1.35 | | | Konstantinidis, Konstantinos | | | 2000 | GRE | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Karapiperis, Alexandros | | | 1875 | GRE | 0.00 | 1 | -0.55 | 15 | -8.25 | | | Fragkos, Vasilios | | | 1964 | GRE | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Malamatas, Konstantinos | | | 2007 | GRE | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Kafetzis, Georgios | | | 1957 | GRE | 0.50 | 1 | 0.06 | 15 | 0.90 | |
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) | | | | 19th Open International Chess Tournament of Kavala B Group | Kavala | GRE | 2010-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1674 | 1919 | 6.00 | 8 | -0.38 | 15 | -5.70 | |
| | Malikentzou, Nafsika | | | 1610 | GRE | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Serefidou, Despina | | | 1709 | GRE | 0.50 | 1 | -0.27 | 15 | -4.05 | | | Mihailidi, Ioanna | | | 1567 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Neofitidis, Veniamin | | | 1619 | GRE | 0.50 | 1 | -0.35 | 15 | -5.25 | | | Diasakos, Damianos | | | 1679 | GRE | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Lithoxoos, Theodoros | | | 1683 | GRE | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Poulopoulos, Ioannis | | | 1734 | GRE | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Pastelas, Hristoforos | | | 1791 | GRE | 0.50 | 1 | -0.17 | 15 | -2.55 | |
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) | | | | Negroponte 2010 | Halkida | GRE | 2010-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2124 | 1919 | 5.50 | 9 | 3.01 | 15 | 45.15 | |
| | Friedel, Joshua E | g | | 2319 * | USA | 0.50 | 1 | 0.42 | 15 | 6.30 | | | Grigoriadis, Mihail | | | 1653 | GRE | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Hoffmann, Paul | f | | 2319 * | GER | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Georgakopoulos, Nikolaos | | | 2258 | GRE | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Vraimakis, Ioannis | | | 1584 | GRE | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Mitrandzas, Athanasios | | | 2191 | GRE | 1.00 | 1 | 0.83 | 15 | 12.45 | | | Stavrianakis, Ioannis | | | 2249 | GRE | 1.00 | 1 | 0.88 | 15 | 13.20 | | | Mahjoob, Morteza | g | | 2319 * | IRI | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Valden, Petros | | | 2223 | GRE | 1.00 | 1 | 0.86 | 15 | 12.90 | | | * 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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