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Individual Calculations April 2015 |
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| Karatzanos, Konstantinos Total change: -18.20 | |   |
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| 11th open Triantafylos Siaperas 2015 | Athens - Ambelokipoi | GRE | 2015-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1452 | 1312 | 0.50 | 4 | -0.83 | 20 | -16.60 | |
|  Drakos, Konstantinos | | | 1673 | GRE | 0.00 | 1 | -0.10 | 20 | -2.00 | |  Asvestas, Stavros | | | 1495 | GRE | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Panaidis, Fragkiskos | | | 1338 | GRE | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Kozanitas, Aggelos | | | 1302 | 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) | | | | 2015 Attica Friendship team CUP NIKOS STROFALIS | Attica | GRE | 2015-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1525 | 1312 | 1.50 | 5 | 0.18 | 20 | 3.60 | |
| | Giatrakos, Orestis | | | 1520 | GRE | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Loukopoulos, Panagiotis-Athanasi | | | 1446 | GRE | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Theodosopoulos, Spyros | | | 1234 | GRE | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Iordanidou, Zoi | | | 1712 * | GRE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Kappos, Ioannis | | | 1712 * | GRE | 1.00 | 1 | 0.92 | 20 | 18.40 | | | * 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) | | | | 151th Open Ambelokipon | Athens - Ambelokipoi | GRE | 2015-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1596 | 1312 | 0.50 | 4 | -0.26 | 20 | -5.20 | |
| | Koerant, Filipos | | | 1712 * | GRE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Paraskevas, Georgios | | | 1620 | GRE | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Makkas, Panayiotis | | | 1712 * | GRE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Panaidis, Fragkiskos | | | 1338 | GRE | 0.50 | 1 | 0.04 | 20 | 0.80 | | | * 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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