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Individual Calculations January 2009 |
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| Ballas, Kleon-Evangelos Total change: 35.85 | |   |
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| 2o Open Ioakimidis Chess Tournament | Thessaloniki | GRE | 2008-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1760 | 1841 | 4.00 | 6 | 0.35 | 15 | 5.25 | |
|  Moliotis, Hristos | | | 1671 | GRE | 1.00 | 1 | 0.28 | 15 | 4.20 | |  Theoharidis, Georgios | | | 1749 | GRE | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Bahar-Mosse, Iakov | | | 1827 | GRE | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Dimitriadis, Alexandros | | | 1821 | GRE | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Gouliaros-Antoniadis, Alexandro | | | 1840 | GRE | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Fregidis, Nikolaos | | | 1651 | GRE | 0.50 | 1 | -0.25 | 15 | -3.75 | |
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) | | | | 3rd "IN MEMORIAL" Thessaloniki tournament 2008 | Thessaloniki | GRE | 2008-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1972 | 1841 | 3.50 | 5 | 1.79 | 15 | 26.85 | |
| | Papakostas, Dimitrios | | | 1917 | GRE | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Kakousatze, Ilias | | | 2012 | GRE | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Tsiahtsiras, Georgios | | | 1756 | GRE | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Tsintsar, Zoran | | | 1984 | GER | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Zakarian, David | | | 2191 | ARM | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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) | | | | 12o BOYS INDIV. CHAMPIONSHIP U 18, ESSTHX | THESSALONIKI | GRE | 2008-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1901 | 1841 | 2.00 | 4 | 0.25 | 15 | 3.75 | |
| | Kirgeridis, Panagiotis | | | 2060 | GRE | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Galopoulos, N | | | 2191 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Vakalopoulos, Hristos | | | 1771 | GRE | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Papathanasiou, Elisavet | | | 1580 | GRE | 1.00 | 1 | 0.18 | 15 | 2.70 | |
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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