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Individual Calculations September 2009 |
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| Poteas, Ioannis Total change: -13.35 | |   |
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| 1st Spring Open SOP - SMAOK | Pagrati - Athens | GRE | 2009-05-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1930 | 2189 | 1.00 | 1 | 0.18 | 15 | 2.70 | |
|  Siaparinas, Konstantinos | | | 1930 | 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) | | | | 97 Ambelokipi Open | Ambelokipi | GRE | 2009-06-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1983 | 2189 | 4.00 | 6 | -0.40 | 15 | -6.00 | |
| | Kosso, Simeon | | | 1839 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Siaparinas, Konstantinos | | | 1930 | GRE | 0.50 | 1 | -0.32 | 15 | -4.80 | | | Gripeos, Kiriakos | | | 2172 | GRE | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Inaneishvili, Avtandil | | | 1864 | GEO | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Fakkas, Argiris | | | 1839 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Himaras, Stefanos | | | 2256 | GRE | 0.50 | 1 | 0.09 | 15 | 1.35 | |
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) | | | | 13th Heraklio Open 2009 - Group A' | N.Heraklio - Attiki | GRE | 2009-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2032 | 2189 | 5.50 | 9 | -0.67 | 15 | -10.05 | |
| | Asvestopoulos, Hristos | | | 1839 | GRE | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Bekakos, Mihail | | | 1839 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Pappelis, Dimitrios | | | 1987 | GRE | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Sandalakis, Angelos | | | 2372 | GRE | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Hamaletsos, Hristoforos | | | 2043 | GRE | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Papadimitriou, Athanasios | | | 2050 | GRE | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Nemtsas, Hristoforos | | | 1842 | GRE | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Mbaskas, Evangelos | | | 2035 | GRE | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Delithanasis, Dimitrios | | | 2280 | GRE | 0.00 | 1 | -0.38 | 15 | -5.70 | |
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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