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Individual Calculations July 2009 |
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| Ballas, Athanasios-Panagiotis Total change: 41.65 | |   |
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| 3o OPEN IOAKIMIDIS CHESS TOURNAMENT | THESSALONIKI | GRE | 2009-02-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1759 | 1515 | 1.50 | 3 | 0.88 | 25 | 22.00 | |
|  Anastasiadis, Dimitrios | | | 1659 | GRE | 1.00 | 1 | 0.69 | 25 | 17.25 | |  Gouliaros-Antoniadis, Alexandro | | | 1849 | GRE | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Tompros, Andreas-Hristos | | | 1770 | GRE | 0.50 | 1 | 0.31 | 25 | 7.75 | |
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) | | | NOTE: K factor changed | | 5th Spring Open Kalamaria - In memory of G.Ioakeimidis | Thessaloniki | GRE | 2009-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1834 | 1500 | 2.50 | 4 | 2.01 | 15 | 30.15 | |
| | Lianas, Ioannis | | | 1850 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Sideris, Giorgos | | | 1850 | GRE | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Psaltis, Aristidis | | | 1786 | GRE | 1.00 | 1 | 0.84 | 15 | 12.60 | | | Nazarian, David | | | 1850 | GRE | 1.00 | 1 | 0.89 | 15 | 13.35 | |
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) | | | NOTE: K factor changed | | WORLD AMATEUR CHAMPIONSHIP 2009 | Thessaloniki | GRE | 2009-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1738 | 1500 | 0.00 | 3 | -0.70 | 15 | -10.50 | |
| | Konstantinidis, Lazaros | | | 1850 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Ioannidis, Evgenios | | | 1513 | GRE | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Kapogiannatos, Hristoforos | | | 1850 | 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) | | |
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