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Individual Calculations September 2009 |
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| Koutroukis, Andreas Total change: 4.50 | |   |
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| 27th Greek Indiv. Championship open U16 | Kallithea - Halkidiki | GRE | 2009-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1927 | 1853 | 3.50 | 8 | 0.24 | 15 | 3.60 | |
|  Galopoulos, Panagiotis | f | | 2152 | GRE | 0.00 | 1 | -0.15 | 15 | -2.25 | |  Abatzis, Antonios | | | 1734 | GRE | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Neroulidis, Mihalis | | | 1725 | GRE | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Papadimitriou, Athanasios | | | 2050 | GRE | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Tsokopoulos, Dedalos | | | 1941 | GRE | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Boutsioukis, Nikolaos | | | 1921 | GRE | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Barbagiannis, Panayotis | | | 1922 | GRE | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Mihopoulos, Konstantinos | | | 1971 | GRE | 0.00 | 1 | -0.34 | 15 | -5.10 | |
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) | | | | 37th Greek Team Championship of A' Category | Halkidiki | GRE | 2009-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1900 | 1841 | 3.50 | 8 | 0.09 | 15 | 1.35 | |
| | Vogias, Fotis | | | 1635 | GRE | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Sandalakis, Nikolaos | | | 1896 | GRE | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Liaskos, Leonidas | | | 2007 | GRE | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Gouliaros-Antoniadis, Alexandro | | | 1858 | GRE | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Boutsioukis, Nikolaos | | | 1908 | GRE | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Diasakos, Damianos | | | 1690 | GRE | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Hristodoulou, Panagiotis | | | 2125 | GRE | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Papadimitriou, Athanasios | | | 2083 | GRE | 0.00 | 1 | -0.20 | 15 | -3.00 | |
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 |
| 2010 | 1841 | 2.00 | 7 | -0.03 | 15 | -0.45 | |
| | Ismail, Shereif | f | | 2130 | EGY | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Skiadopoulos, Nikolaos | | | 2169 | GRE | 1.00 | 1 | 0.87 | 15 | 13.05 | | | Liakos, Dimitris | | | 2037 | GRE | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Sideris, Theodoros | | | 2104 | GRE | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Vazelakis, Dimitrios | | | 2028 | GRE | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Rizos, Georgios | | | 2163 | GRE | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Kaforou, Mirto-Iro | | | 1441 * | GRE | 0.00 | 1 | -0.92 | 15 | -13.80 | | | * 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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