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Individual Calculations March 2011 |
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| Tsatsoulis, Periklis Total change: -37.00 | |   |
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| 2010 Attica Team Championship Under 12 | Attica | GRE | 2010-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1578 | 1594 | 1.50 | 2 | 0.45 | 25 | 11.25 | |
|  Iliopoulou, Elisavet | | | 1624 | GRE | 0.50 | 1 | 0.04 | 25 | 1.00 | |  Stamelos, Ioannis | | | 1531 | GRE | 1.00 | 1 | 0.41 | 25 | 10.25 | |
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) | | | | 2010 Team Ch Bikos Cup - Group A | Attiki | GRE | 2010-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1629 | 1594 | 0.00 | 3 | -1.36 | 25 | -34.00 | |
| | Kiriazis, Dimitrios | | | 1675 | GRE | 0.00 | 1 | -0.39 | 25 | -9.75 | | | Rahmanidis, Petros | | | 1580 | GRE | 0.00 | 1 | -0.52 | 25 | -13.00 | | | Tassis, Ioannis | | | 1632 | GRE | 0.00 | 1 | -0.45 | 25 | -11.25 | |
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) | | | NOTE: K factor changed | | Attica Individual Youth Ch. 2011 - Boys U12 | Athens | GRE | 2010-12-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1593 | 1505 | 1.00 | 2 | 0.22 | 15 | 3.30 | |
| | Koutsidis, Achilleas | | | 1470 | GRE | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Drakoulakos, Grigorios | | | 1716 | GRE | 0.00 | 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) | | | NOTE: K factor changed | | KAPPA 49 - Froso Kasioura | Kallithea Athens | GRE | 2011-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1680 | 1498 | 0.00 | 4 | -1.17 | 15 | -17.55 | |
| | Aziz-Azizis, Ectoras | | | 1898 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Fakkas, Argirios | | | 1770 | GRE | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Psoma, Virginia | | | 1466 | GRE | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Florakis, Konstantinos | | | 1584 | GRE | 0.00 | 1 | -0.38 | 15 | -5.70 | | | * 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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