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Individual Calculations January 2018 |
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| Ikonomou, Theodoros Total change: -1.60 | |   |
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| Attica Team Cup Spyros Bikos 2017 - A group | Attica | GRE | 2017-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1163 | 1133 | 1.00 | 1 | 0.54 | 40 | 21.60 | |
|  Rizos, Spyridon Th. | | | 1163 | GRE | 1.00 | 1 | 0.54 | 40 | 21.60 | |
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 OPA Cholargou 2017 | Cholargou | GRE | 2017-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1333 | 1133 | 0.00 | 2 | -0.58 | 40 | -23.20 | |
|  Sienczewski, Zbigniew | | | 1533 * | POL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Kakiopoulou, Eleni | | | 1133 | GRE | 0.00 | 1 | -0.50 | 40 | -20.00 | | | * 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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