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Individual Calculations January 2011 |
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| Alexakis, Georgios Total change: 31.00 | |   |
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| World Youth Chess Championships 2010 - Open under 10 | Porto Carras, Chalkidiki - Greece | GRE | 2010-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1723 | 1559 | 0.50 | 2 | -0.12 | 25 | -3.00 | |
|  Carnicelli, Valerio | | | 1880 | ITA | 0.00 | 1 | -0.13 | 25 | -3.25 | | | Shafiei, Amir Mohammad | | | 1566 | IRI | 0.50 | 1 | 0.01 | 25 | 0.25 | |
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) | | | | KAPPA 48 | Kallithea Athens | GRE | 2010-11-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1787 | 1546 | 2.50 | 5 | 1.36 | 25 | 34.00 | |
| | Sienczewski, Zbigniew | | | 1946 * | GRE | 0.00 | 1 | -0.08 | 25 | -2.00 | |  Syfantos, Nikolaos | | | 1793 | GRE | 1.00 | 1 | 0.81 | 25 | 20.25 | | | Kesoglou, Konstantinos | | | 1946 * | GRE | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Anthopoulos, Hristos | | | 1578 | GRE | 0.50 | 1 | 0.04 | 25 | 1.00 | | | Pessiridis, Isaak | | | 1673 | GRE | 1.00 | 1 | 0.67 | 25 | 16.75 | | | * 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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