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Individual Calculations February 2019 |
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| Sifonios, Panagiotis Total change: 4.40 | |   |
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| 2nd Christmas open S Bikos - D Maragkoudakis Memorial 2018 | Athens | GRE | 2018-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1455 | 1235 | 1.00 | 3 | 0.15 | 40 | 6.00 | |
|  Dermatas, Marios | | | 1635 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Strati, Betty - Anna | | | 1635 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Oikonomopoulos, Filippos | | | 1096 | GRE | 1.00 | 1 | 0.31 | 40 | 12.40 | | | * 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) | | | NOTE: K factor changed | | 2019 Attica Team Championship - B Category rounds 1-3 | ESSNA | GRE | 2019-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1679 | 1279 | 0.00 | 1 | -0.08 | 20 | -1.60 | |
| | Pantazis, Konstantinos | | | 1679 * | GRE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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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