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Individual Calculations July 2011 |
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| Psaltis, Aristidis Total change: 10.95 | |   |
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| 7th Kalamaria Spring Open | Kalamaria, Thessaloniki | GRE | 2011-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1869 | 1741 | 2.50 | 5 | 0.72 | 15 | 10.80 | |
|  Doudoulakakis, Ioannis | | | 1561 | GRE | 1.00 | 1 | 0.26 | 15 | 3.90 | |  Konstantelias, K | | | 2095 | GRE | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Ballas, Athanasios-Panagiotis | | | 1701 | GRE | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Gountras, Klearhos | | | 2001 | GRE | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Sideris, Giorgos | | | 1987 | GRE | 0.00 | 1 | -0.19 | 15 | -2.85 | |
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 |
| 1904 | 1741 | 1.00 | 3 | 0.01 | 15 | 0.15 | |
| | Betsakos, Hrisanthos | | | 1554 | GRE | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Goumas, Georgios | | | 2141 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Cook, Michael-Antony | | | 2016 | GRE | 0.00 | 1 | -0.17 | 15 | -2.55 | | | * 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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