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Individual Calculations February 2015 |
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| Marmaras, Georgios Total change: 61.20 | |   |
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| Team Cup SPIROS BIKOS 2014 - B1 group | Attica | GRE | 2014-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1444 | 1249 | 0.00 | 1 | -0.25 | 40 | -10.00 | |
|  Batas, Ioannis | | | 1444 | GRE | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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) | | | | 2014 Attica youth under 12 team championship | Attica | GRE | 2014-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1057 | 1249 | 1.00 | 1 | 0.25 | 40 | 10.00 | |
| | Leon, Panagiotis | | | 1057 | GRE | 1.00 | 1 | 0.25 | 40 | 10.00 | |
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) | | | | New Year's open chess Square 2015 | Athens - Ambelokipoi | GRE | 2015-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1569 | 1249 | 2.50 | 7 | 1.53 | 40 | 61.20 | |
|  Ragios, Konstantinos | | | 1649 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Arvanitakis, Panagiotis | | | 1533 | GRE | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Krallis, Christos | | | 1649 * | GRE | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Koutsidi, Amalia | | | 1617 | GRE | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Beliotis, Georgios | | | 1591 | GRE | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Georgopoulou, Eytyhia | | | 1459 | GRE | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Seferlis, Georgios | | | 1488 | GRE | 0.50 | 1 | 0.30 | 40 | 12.00 | | | * 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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