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Individual Calculations September 2009 |
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| Kotrotsos, Vasilios Total change: -25.05 | |   |
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| 1st Spring Open SOP - SMAOK | Pagrati - Athens | GRE | 2009-05-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2130 | 2351 | 6.00 | 7 | 0.62 | 15 | 9.30 | |
|  Raptakis, Solon | | | 2027 | GRE | 1.00 | 1 | 0.13 | 15 | 1.95 | |  Zografos, Achilleas | | | 2117 | GRE | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Anastasopoulos, Spyros | | | 2168 | GRE | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Delithanasis, Dimitrios | | | 2280 | GRE | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Tepelenis, Nikolaos | | | 2209 | GRE | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Tzotzolis, Halalambos | | | 2109 | GRE | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Panagiotopoulos, Vas | | | 2001 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | |
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) | | | | 13th Heraklio Open 2009 - Group A' | N.Heraklio - Attiki | GRE | 2009-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2179 | 2351 | 6.50 | 9 | 0.09 | 15 | 1.35 | |
| | Koursaris, Nikolaos | | | 2001 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Kakadelis, Str | | | 2067 | GRE | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Panagiotakos, Nikolaos | | | 2161 | GRE | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Kosmas-Lekkas, Dimitiros | | | 2120 | GRE | 0.00 | 1 | -0.79 | 15 | -11.85 | | | Hrisanthopoulos, Dimitrios | | | 2143 | GRE | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Kourousis, Epaminondas | | | 2237 | GRE | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Grigoriadis, Alexandros | m | | 2363 | GRE | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Sergeyev, Alexander | f | | 2363 | KAZ | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Papadopoulou, Vera | | wm | 2160 | GRE | 1.00 | 1 | 0.25 | 15 | 3.75 | |
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 LEROS OPEN - ARTEMIS CUP 2009 | LEROS | GRE | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2146 | 2359 | 5.50 | 9 | -1.16 | 15 | -17.40 | |
| | Stamos, Filippos | | | 1959 * | GRE | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Gutmann, Alois | | | 2043 | AUT | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Mastrovasilis, Athanasios | g | | 2503 | GRE | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Calzetta Ruiz, Monica | | wg | 2344 | ESP | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Reppen, Ellisiv | | | 1959 * | NOR | 0.50 | 1 | -0.42 | 15 | -6.30 | | | Sigkounas, Alkis | | | 1959 * | GRE | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Kiratzopoulos, Efthimios | | | 2139 | GRE | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Sahl, Sheila Barth | | wm | 2217 | NOR | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Muhren, Willem | | | 2188 | NED | 0.50 | 1 | -0.23 | 15 | -3.45 | | | * 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) | | | | 18th OPEN INTERN. TOURN. OF KAVALA '09 - GROUP A | Kavala | GRE | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2241 | 2359 | 5.00 | 9 | -0.82 | 15 | -12.30 | |
| | Liakos, Dimitris | | | 2037 | GRE | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Yakovich, Yuri | g | | 2576 | RUS | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Ismail, Shereif | f | | 2130 | EGY | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Volkov, Sergey | g | | 2607 | RUS | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Dorfanis, Ilarion | | | 2194 | GRE | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Angelis, Mihail | | | 2204 | GRE | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Azis, Azizis Ektoras | | | 2074 | GRE | 0.00 | 1 | -0.84 | 15 | -12.60 | | | Rizos, Georgios | | | 2163 | GRE | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Dounis, Alexandros | | | 2186 | GRE | 1.00 | 1 | 0.27 | 15 | 4.05 | |
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) | | | | 24th Intern. Chess Tournament "Acropolis 2009" | Halkida | GRE | 2009-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2323 | 2359 | 4.50 | 9 | -0.40 | 15 | -6.00 | |
| | Rigopoulos-Tsigkos, Alexandros | | | 2018 | GRE | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Gupta, Abhijeet | g | | 2565 | IND | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Muzychuk, Anna | m | wg | 2542 | SLO | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Svetushkin, Dmitry | g | | 2607 | MDA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Kaforos, Dimitrios-Alkis | | | 2209 | GRE | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Makropoulou, Marina | | wg | 2245 | GRE | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Stavrianakis, Ioannis | | | 2240 | GRE | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Khurtsilava, Inga | | wm | 2261 | GEO | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Filippas, Sebastian | | | 2223 | GRE | 0.50 | 1 | -0.18 | 15 | -2.70 | |
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) | | |
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