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Individual Calculations May 2015 |
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| Iatros, Aristidis Total change: -7.80 | |   |
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| 2015 ESSNA team championship - B Category | Attica | GRE | 2015-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1855 | 1684 | 1.50 | 5 | 0.03 | 20 | 0.60 | |
|  Kazanakis, Efstathios | | | 1997 | GRE | 0.50 | 1 | 0.36 | 20 | 7.20 | |  Pavlis, Antonios | | | 1809 | GRE | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Paouris, Nikolaos | | | 1951 | GRE | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Sakaridis, Emmanouil | | | 1915 | GRE | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Stamatis, Apostolos | | | 1605 | GRE | 0.50 | 1 | -0.11 | 20 | -2.20 | |
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 World Amateur Chess Championships - Open | Porto Carras - Halkidiki | GRE | 2015-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1736 | 1635 | 3.00 | 9 | -0.42 | 20 | -8.40 | |
| | Ahlqvist, Esa | | | 1930 | FIN | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Bessarab, Vsevolod | | | 1854 | RUS | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Vivek.m. | | | 1829 | IND | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Javadzade, Rufan | | | 1409 | AZE | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Wolff, Carlos Alberto | | | 1986 | BRA | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Wilson, F Leon | | | 1554 | USA | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Nezosi, Christophe | | | 1321 | FRA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Germen, Yanay | | | 1952 | TUR | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Brioschi, Camillo | | | 1787 | ITA | 0.00 | 1 | -0.30 | 20 | -6.00 | |
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) | | |
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