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Individual Calculations July 2011 |
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| Gountras, Klearhos Total change: 4.35 | |   |
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| 7th Kalamaria Spring Open | Kalamaria, Thessaloniki | GRE | 2011-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1757 | 2001 | 3.00 | 4 | -0.11 | 15 | -1.65 | |
|  Doudoulakakis, Ioannis | | | 1601 * | GRE | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Sideris, Giorgos | | | 1987 | GRE | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Psaltis, Aristidis | | | 1741 | GRE | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Charpidou, Anna | | | 1699 | GRE | 0.00 | 1 | -0.85 | 15 | -12.75 | | | * 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) | | | | 4th spring open Triandrias - Vasilis Sevastopoulos | Thessaloniki | GRE | 2011-04-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1910 | 2001 | 3.50 | 5 | 0.40 | 15 | 6.00 | |
| | Argiroudis, Stamatis | | | 2326 | GRE | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Galaras, Anestis | | | 1921 | GRE | 0.00 | 1 | -0.61 | 15 | -9.15 | | | Krommidas, Vasilios | | | 1750 | GRE | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Ermidis, Panagiotis | | | 1683 | GRE | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Skondras, Stavros | | | 1871 | GRE | 1.00 | 1 | 0.32 | 15 | 4.80 | |
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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