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Individual Calculations April 2009 |
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| Tamba, Dumitru Total change: -2.10 | |   |
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| Grand Prix Iasi 2009 - 1st stage | Iasi | ROU | 2009-02-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1854 | 1875 | 2.50 | 5 | -0.14 | 15 | -2.10 | |
|  Grigore, Gigi | | | 2119 | ROU | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Apostu, Toader | | | 2065 | ROU | 0.00 | 1 | -0.25 | 15 | -3.75 | |  Radu, Dragos | | | 1697 | ROU | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Balacianu, Alexandru-George | | | 1624 | ROU | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Gheorghiu, Calin | | | 1763 | ROU | 1.00 | 1 | 0.35 | 15 | 5.25 | |
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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