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Individual Calculations May 2012 |
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| Ioannidis, Georgios Alexandros Total change: -29.25 | |   |
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| Attica Team Championship of B' Local Category 2012 - Group A | Attica | GRE | 2012-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1348 | 1610 | 0.00 | 1 | -0.82 | 15 | -12.30 | |
|  Siamidis, Iraklis | | | 1348 | GRE | 0.00 | 1 | -0.82 | 15 | -12.30 | |
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) | | | | ESSNA Individual championships 2012 - Open under 16 | Peristeri - Athens | GRE | 2012-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1573 | 1597 | 1.00 | 4 | -1.13 | 15 | -16.95 | |
| | Litsas, Panagiotis | | | 1781 | GRE | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Rahmanidis, Petros | | | 1636 | GRE | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Merasedoglou, Nikolaos | | | 1490 | GRE | 0.50 | 1 | -0.15 | 15 | -2.25 | |  Kouros, Ahileas | | | 1384 | GRE | 0.50 | 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) | | |
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