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Individual Calculations September 2009 |
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| Tsiotas, Nikolaos Total change: 49.50 | |   |
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| 2nd Open below 1800 national rating | Pagrati - Athens | GRE | 2009-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1650 | 1496 | 2.50 | 5 | 0.91 | 25 | 22.75 | |
|  Fotiadis, Kleanthis | | | 1797 | GRE | 0.50 | 1 | 0.35 | 25 | 8.75 | |  Marianidis, Dimitrios | | | 1842 | GRE | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Doulidis, Pavlos-Georgios | | | 1550 | GRE | 1.00 | 1 | 0.58 | 25 | 14.50 | | | Arvanitakis, Panagiotis | | | 1442 | GRE | 1.00 | 1 | 0.42 | 25 | 10.50 | | | Harokopos, Hristos | | | 1619 | GRE | 0.00 | 1 | -0.33 | 25 | -8.25 | |
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 B | N.Heraklio - Attiki | GRE | 2009-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1706 | 1496 | 2.50 | 4 | 1.56 | 25 | 39.00 | |
| | Pagalis, Georgios | | | 1768 | GRE | 1.00 | 1 | 0.83 | 25 | 20.75 | | | Diatsintos, Ilias | | | 1678 | GRE | 0.00 | 1 | -0.26 | 25 | -6.50 | | | Papadopoulos, Emanouil | | | 1741 | GRE | 0.50 | 1 | 0.30 | 25 | 7.50 | | | Tsiros, Dimitrios | | | 1636 | GRE | 1.00 | 1 | 0.69 | 25 | 17.25 | |
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) | | | | 12th Greek Indiv. Championship open U10 | Kallithea - Halkidiki | GRE | 2009-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1500 | 1496 | 0.00 | 1 | -0.49 | 25 | -12.25 | |
| | Ballas, Athanasios-Panagiotis | | | 1500 | GRE | 0.00 | 1 | -0.49 | 25 | -12.25 | |
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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