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Individual Calculations September 2009 |
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| Poulidis, Stefanos Total change: 27.75 | |   |
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| 13th Heraklio Open 2009 - Group B | N.Heraklio - Attiki | GRE | 2009-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1651 | 1748 | 3.00 | 3 | 1.14 | 25 | 28.50 | |
|  Noutsos, Stamoulis | | | 1477 | GRE | 1.00 | 1 | 0.17 | 25 | 4.25 | | | Litras, Iosif | | | 1784 | GRE | 1.00 | 1 | 0.55 | 25 | 13.75 | | | Sidiropoulos, Leonidas | | | 1692 | GRE | 1.00 | 1 | 0.42 | 25 | 10.50 | |
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) | | | | Ikaros Chess Festival 2009 | 2009 Aegean Open Championship | GRE | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1919 | 1757 | 2.00 | 6 | -0.03 | 25 | -0.75 | |
| | Aggelis, Nikolaos | f | | 2157 * | GRE | 0.00 | 1 | -0.08 | 25 | -2.00 | |  Gortsilas, Elias | | | 1511 | GRE | 1.00 | 1 | 0.19 | 25 | 4.75 | | | Srebrnic, Ana | | wg | 2157 * | SLO | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Poulos, Georgios | | | 2115 | GRE | 0.00 | 1 | -0.10 | 25 | -2.50 | | | Steil-Antoni, Fiona | | wf | 2140 | LUX | 0.00 | 1 | -0.09 | 25 | -2.25 | | | Douni, Maria | | | 1433 | GRE | 1.00 | 1 | 0.13 | 25 | 3.25 | | | * 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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