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Individual Calculations April 2009 |
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| Grivas, Efstratios Total change: -0.40 | |   |
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| 2009 Attica teams Ch. B div. stage 1 - Group 2 | Attica | GRE | 2009-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2256 | 2505 | 3.00 | 4 | -0.15 | 10 | -1.50 | |
|  Galanos, Dimitrios | | | 2155 | GRE | 1.00 | 1 | 0.11 | 10 | 1.10 | |  Zamit, Spyridon | | | 2155 | GRE | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Balaskas, Nikolaos | | | 2244 | GRE | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Kalesis, Nikolaos | m | | 2469 | GRE | 0.00 | 1 | -0.55 | 10 | -5.50 | |
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) | | | | 2009 Attica teams Ch. B div. stage 2 - Group 1 | Attica | GRE | 2009-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2155 | 2505 | 1.00 | 1 | 0.11 | 10 | 1.10 | |
| | Kefalis, Hristos | | | 2155 | GRE | 1.00 | 1 | 0.11 | 10 | 1.10 | |
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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