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Individual Calculations April 2009 |
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| Poteas, Ioannis Total change: -11.55 | |   |
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| 92o Ambelokipi Open | Amblelokipi - Athens | GRE | 2008-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1996 | 2164 | 4.50 | 7 | -0.47 | 15 | -7.05 | |
|  Panagos, Theodoros | | | 1814 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Zambrakos, Efthimios | | | 1970 | GRE | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Makkas, Panayiotis | | | 2029 | GRE | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Fragkos, Vasilios | | | 1960 | GRE | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Sfougatakis, Nikolaos | | | 2021 | GRE | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Zbigniew, Sienczewski | | | 2120 | POL | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Papapetropoulos, Periklis | | | 2058 | GRE | 0.00 | 1 | -0.64 | 15 | -9.60 | |
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) | | | | 1o Ambelokipi Christmas Open | Ambelokipi - Athens | GRE | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1943 | 2164 | 3.00 | 3 | 0.70 | 15 | 10.50 | |
| | Efkarpidis, Stylianos | | | 1814 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Diamandis, Georgios | | | 1936 | GRE | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Kakadelis, Str | | | 2079 | GRE | 1.00 | 1 | 0.38 | 15 | 5.70 | |
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) | | | | 93th Ambelokipi Open | Ambelokipi, Athens | GRE | 2009-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1949 | 2201 | 5.00 | 6 | 0.30 | 15 | 4.50 | |
| | Efkarpidis, Stylianos | | | 1851 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Nemtsas, Hristoforos | | | 1851 | GRE | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Barbagiannis, Leonidas | | | 1851 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Makkas, Panayiotis | | | 2026 | GRE | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Stamatakos, Dimitrios | | | 1851 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Skalkotas, Nikolaos | m | | 2265 | GRE | 0.50 | 1 | 0.09 | 15 | 1.35 | |
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) | | | | 2009 Attica teams Ch. B div. stage 1 - Group 1 | Attica | GRE | 2009-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2055 | 2201 | 4.00 | 5 | 0.55 | 15 | 8.25 | |
| | Nikolopoulos, Georgios | | | 2047 | GRE | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Vouros, Nikolaos | | | 2090 | GRE | 0.00 | 1 | -0.65 | 15 | -9.75 | | | Badredin, Panagiotis | | | 1951 | GRE | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Passakos, Georgios | | | 2170 | GRE | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Mouzakis, Gerasimos | | | 2017 | GRE | 1.00 | 1 | 0.26 | 15 | 3.90 | |
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) | | | | 2009 Attica teams Ch. B div. stage 2 - Group 1 | Attica | GRE | 2009-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2285 | 2201 | 1.00 | 2 | 0.23 | 15 | 3.45 | |
| | Kostouros, Alexandros | | | 2198 | GRE | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Grigoriadis, Alexandros | m | | 2372 | GRE | 0.50 | 1 | 0.23 | 15 | 3.45 | |
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) | | | | 1st Winter Open SOP - SMAOK | Pagkrati - Athens | GRE | 2009-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1982 | 2201 | 3.50 | 6 | -1.10 | 15 | -16.50 | |
| | Nikolaidis, Georgios | | | 1925 | GRE | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Papahristoudis, Anastasios | | | 2060 | GRE | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Kolomvas, Dimitrios | | | 1940 | GRE | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Karahisaridis, Vasilios | | | 1968 | GRE | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Fotiadis, Kleanthis | | | 1851 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Galanos, Dimitrios | | | 2145 | GRE | 0.00 | 1 | -0.58 | 15 | -8.70 | |
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) | | | | 5th Memorial Siaperas | Ambelokipi Athens | GRE | 2009-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1877 | 2201 | 2.50 | 4 | -0.98 | 15 | -14.70 | |
| | Fragkou, Eleni | | | 1851 | GRE | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Nikolaidis, Georgios | | | 1925 | GRE | 0.50 | 1 | -0.33 | 15 | -4.95 | | | Panagiotakos, Petros | | | 1882 | GRE | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Marianidis, Dimitrios | | | 1851 | GRE | 0.50 | 1 | -0.39 | 15 | -5.85 | |
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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