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Individual Calculations April 2013 |
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| Karounis, Ioannis Total change: -41.10 | |   |
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| 2013 Attica "Friendship Cup" - A Group | Attica | GRE | 2013-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1559 | 1351 | 0.50 | 4 | -0.49 | 30 | -14.70 | |
|  Alexiou-Karakasidis, Stavros | | | 1516 | GRE | 0.50 | 1 | 0.22 | 30 | 6.60 | | | Bellos, Evangelos | | | 1688 | GRE | 0.00 | 1 | -0.12 | 30 | -3.60 | | | Koukoufikis, Ioannis | | | 1623 | GRE | 0.00 | 1 | -0.17 | 30 | -5.10 | |  Spanos, Haralabos | | | 1410 | GRE | 0.00 | 1 | -0.42 | 30 | -12.60 | |
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) | | | | January Chess League 2013 - Senior Division ASOP DIAS | Athens - Petroupoli | GRE | 2013-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1492 | 1351 | 0.50 | 4 | -0.88 | 30 | -26.40 | |
| | Diamandis, Phoebus-Apollo | | | 1582 | GRE | 0.00 | 1 | -0.21 | 30 | -6.30 | | | Diamandis, Georgios | | | 1751 * | GRE | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Kontopanagos, Ioannis | | | 1235 | GRE | 0.00 | 1 | -0.66 | 30 | -19.80 | | | Papadopoulos, Petros | | | 1399 | GRE | 0.50 | 1 | 0.07 | 30 | 2.10 | | | * 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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