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Individual Calculations September 2011 |
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| Nikolaidis, Georgios Total change: -32.70 | |   |
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| Attica Team Friendship Cup 2011 - A' Group | Attiki | GRE | 2011-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1736 | 1826 | 4.00 | 4 | 1.62 | 15 | 24.30 | |
|  Kafkalas, Nikolaos | | | 1475 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Savoglou, Nikolaos | | | 1942 | GRE | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Fragkou, Eleni | | | 1914 | GRE | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Vozikis, Antonios | | | 1611 | GRE | 1.00 | 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) | | | | 11th Open SOP-SMAOK <1900 rating | Pagrati - Athens | GRE | 2011-05-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1572 | 1829 | 2.50 | 5 | -1.53 | 15 | -22.95 | |
| | Deligiorgis, Giorgos | | | 1454 | GRE | 1.00 | 1 | 0.09 | 15 | 1.35 | | | Xigis, Michail | | | 1663 | GRE | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Tsekouras, Andreas | | | 1470 | GRE | 1.00 | 1 | 0.10 | 15 | 1.50 | | | Pappas, Alexandros | | | 1681 | GRE | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Kamitsis, Nikolaos | | | 1593 | GRE | 0.00 | 1 | -0.80 | 15 | -12.00 | |
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) | | | | 1st International open "Isthmia" - Vrahati 2011 Group B' | Vrahati, Korinthos | GRE | 2011-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1538 | 1820 | 3.50 | 7 | -2.27 | 15 | -34.05 | |
| | Oikonomou, Nikolaos Ch | | | 1420 * | GRE | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Doulidis, Pavlos-Georgios | | | 1612 | GRE | 0.50 | 1 | -0.27 | 15 | -4.05 | | | Salahidou, Reveka | | | 1580 | GRE | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Fragkou, Maria | | | 1497 | GRE | 0.50 | 1 | -0.37 | 15 | -5.55 | | | Vlahakis, Nikos | | | 1492 | GRE | 0.50 | 1 | -0.37 | 15 | -5.55 | | | Bellos, Vasilios | | | 1436 | GRE | 0.00 | 1 | -0.91 | 15 | -13.65 | | | Yarur Elsaca, Daniel | | | 1727 | CHI | 0.00 | 1 | -0.63 | 15 | -9.45 | | | * 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) | | |
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