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Individual Calculations January 2018 |
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| Tsomis, Dimitrios Total change: -18.60 | |   |
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| 52nd Piraeus Championship Stelios Psaras Memorial | Piraeus | GRE | 2017-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1711 | 1966 | 4.00 | 7 | -1.41 | 20 | -28.20 | |
|  Trapalis, Theodoros | | | 1566 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Tsalamagkakis, Ilias | | | 1618 | GRE | 0.00 | 1 | -0.89 | 20 | -17.80 | | | Mataragkas, Georgios | | | 1566 * | GRE | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Karakatsanis, Nikolaos | | | 1851 | GRE | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Karanikas, Harilaos | | | 1570 | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Nikolaou, Georgios | | | 2232 | GRE | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Papadopoulos, Dimitrios Ath | | | 1572 | GRE | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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) | | | | Attica Team Cup Spyros Bikos 2017 - A group | Attica | GRE | 2017-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1962 | 1966 | 2.00 | 3 | 0.49 | 20 | 9.80 | |
| | Efentakis, Nikolaos | | | 1941 | GRE | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Sideris, Theodoros | | | 1913 | GRE | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Valellis, Georgios | | | 2031 | GRE | 0.50 | 1 | 0.09 | 20 | 1.80 | |
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) | | | | Attica Team Cup Lazaros Drepaniotis 2017 | Attica | GRE | 2017-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1957 | 1966 | 0.50 | 1 | -0.01 | 20 | -0.20 | |
| | Ornithopoulos, Nikolaos | | | 1957 | GRE | 0.50 | 1 | -0.01 | 20 | -0.20 | |
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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