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Individual Calculations January 2012 |
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| Koumtzis, Argirios Total change: 13.35 | |   |
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| 4th youth team championship under 16 ESSTH-HALK 2011 | Thessaloniki | GRE | 2011-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1573 | 1588 | 0.50 | 2 | -0.53 | 15 | -7.95 | |
|  Xanthopoulos, Dimitrios | | | 1350 | GRE | 0.00 | 1 | -0.80 | 15 | -12.00 | |  Palaskos, Ahileas | | | 1796 | 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) | | | | "30 years chess" KERAVNOS OREOKASTROU - Stage B' | Oreokastro, Thessaloniki | GRE | 2011-10-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1756 | 1588 | 3.00 | 5 | 1.57 | 15 | 23.55 | |
| | Charpidou, Anna | | | 1776 | GRE | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Gouderis, Dimitrios | | | 1860 | GRE | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Tsolaki, Eleni | | | 1725 | GRE | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Kokkalis, Haralabos | | | 1649 | GRE | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Ballas, Athanasios-Panagiotis | | | 1770 | GRE | 0.00 | 1 | -0.26 | 15 | -3.90 | |
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) | | | | "30 years chess" KERAVNOS OREOKASTROU - Stage C' | Oreokastro, Thessaloniki | GRE | 2011-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1873 | 1637 | 1.00 | 5 | -0.15 | 15 | -2.25 | |
| | Iskos, Alexandros | | | 2037 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Krimlidis, Savvas | | | 1830 | GRE | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Papakonstantinou, Dimitrios | | | 2022 | GRE | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Avramidou, Anastasia | | | 1741 | GRE | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Tsolaki, Eleni | | | 1733 | GRE | 0.00 | 1 | -0.37 | 15 | -5.55 | | | * 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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