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Individual Calculations May 2010 |
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| Boidman, Marina Total change: 3.30 | |   |
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| Nationale Interclubs 2009-2010 | Various | BEL | 2009-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2105 | 2179 | 2.00 | 3 | 0.22 | 15 | 3.30 | |
|  Denayer, Eric | | | 2254 | BEL | 1.00 | 1 | 0.60 | 15 | 9.00 | |  Costa, Serge | | | 1956 | BEL | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Wettach, Michel | | | 2105 | BEL | 0.50 | 1 | -0.10 | 15 | -1.50 | |
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) | | |
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