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Individual Calculations April 2009 |
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| Cosma, Ioan Total change: -5.40 | |   |
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| N1 - R4-5 | Various | FRA | 2008-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2394 | 2458 | 1.50 | 2 | 0.33 | 10 | 3.30 | |
|  Demuth, Adrien | f | | 2332 | FRA | 0.50 | 1 | -0.17 | 10 | -1.70 | |  Inkiov, Ventzislav | g | | 2455 | BUL | 1.00 | 1 | 0.50 | 10 | 5.00 | |
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) | | | | N1 - R6-7 | Various | FRA | 2009-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2301 | 2452 | 0.50 | 2 | -0.87 | 10 | -8.70 | |
| | Grill, Marc | | | 2179 | FRA | 0.50 | 1 | -0.33 | 10 | -3.30 | | | Lubczynski, Rafal | m | | 2423 | POL | 0.00 | 1 | -0.54 | 10 | -5.40 | |
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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