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Individual Calculations July 2009 |
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| Themelis, Georgios Total change: 7.80 | |   |
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| 3o OPEN IOAKIMIDIS CHESS TOURNAMENT | THESSALONIKI | GRE | 2009-02-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1837 | 1598 | 1.50 | 4 | 0.63 | 15 | 9.45 | |
|  Sideris, Giorgos | | | 1893 | GRE | 0.00 | 1 | -0.15 | 15 | -2.25 | |  Kivelos, Sotirios | | | 1948 | GRE | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Bahar-Mosse, Iakov | | | 1855 | GRE | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Pantelidis, Hristos | | | 1650 | GRE | 0.50 | 1 | 0.07 | 15 | 1.05 | |
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) | | | | 5th Spring Open Kalamaria - In memory of G.Ioakeimidis | Thessaloniki | GRE | 2009-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1960 | 1610 | 0.00 | 1 | -0.11 | 15 | -1.65 | |
| | Kiratzopoulos, Efthimios | | | 1960 | GRE | 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) | | | | 5th World School Chess Championship - Open U13 | Thessaloniki | GRE | 2009-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1897 | 1610 | 0.50 | 3 | 0.00 | 15 | 0.00 | |
| | Terentyev, Vitaly | | | 1938 | RUS | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Tompros, Andreas-Hristos | | | 1794 | GRE | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Ruiz C, Joshua D | c | | 1960 | COL | 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) | | |
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