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Individual Calculations January 2010 |
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| Grigoriadis, Mihail Total change: 29.55 | |   |
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| ATTTICA TEAM YOUTH U12 CHAMP. 2009 | Attica | GRE | 2009-10-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1869 | 1716 | 1.00 | 1 | 0.70 | 15 | 10.50 | |
|  Kourkoulos-Arditis, Stamatis | | | 1869 | GRE | 1.00 | 1 | 0.70 | 15 | 10.50 | |
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) | | | | 5th Open ASOP Dias | Petroupoli - Athens | GRE | 2009-11-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1819 | 1682 | 3.00 | 5 | 1.27 | 15 | 19.05 | |
|  Mbirlis, Hristos | | | 1999 | GRE | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Kostouros, Alexandros | | | 2082 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Stamoulis, Hristos | | | 1450 | GRE | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Tsironis, Leonidas | | | 1798 | GRE | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Pavlis, Antonios | | | 1765 | GRE | 1.00 | 1 | 0.61 | 15 | 9.15 | | | * 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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