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Individual Calculations August 2012 |
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| Pessiridis, Isaak Total change: -19.65 | |   |
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| Attica Youth under 14 Team Cup 2012 | Attica | GRE | 2012-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1432 | 1644 | 1.50 | 2 | -0.03 | 15 | -0.45 | |
|  Karakatsanis, Nikolaos | | | 1514 | GRE | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Katsivardas, Haralabos | | | 1349 | GRE | 1.00 | 1 | 0.15 | 15 | 2.25 | |
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) | | | | Greek Individual Youth Championships 2012 Finals - open under 12 | Rio Achaias | GRE | 2012-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1476 | 1653 | 3.00 | 6 | -1.34 | 15 | -20.10 | |
| | Stavropoulos, Konstantinos | | | 1489 | GRE | 0.50 | 1 | -0.22 | 15 | -3.30 | |  Sidiropoulos, Georgios Th | | | 1476 | GRE | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Tsiamis, Rafail | | | 1451 | GRE | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Kirlidis, Elefterios | | | 1389 | GRE | 0.50 | 1 | -0.32 | 15 | -4.80 | | | Pavlidis, Pavlos | | | 1403 | GRE | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Alexakis, Georgios | | | 1650 | GRE | 0.00 | 1 | -0.50 | 15 | -7.50 | |
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) | | | | Greek Team Championship of A' Category 2012 | Rio Achaias | GRE | 2012-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1698 | 1653 | 0.50 | 1 | 0.06 | 15 | 0.90 | |
| | Kokkalis, Haralabos | | | 1698 | GRE | 0.50 | 1 | 0.06 | 15 | 0.90 | |
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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