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Individual Calculations September 2009 |
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| Tossens, Alain Total change: -9.25 | |   |
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| Belgisch Kampioenschap 2009 - Open | Saint-Servais (Namur) | BEL | 2009-07-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 1793 | 0.50 | 4 | -0.37 | 25 | -9.25 | |
|  Barbier, Wim | | | 2167 | BEL | 0.00 | 1 | -0.10 | 25 | -2.50 | | | Bouchat, Xavier | | | 2025 | BEL | 0.50 | 1 | 0.29 | 25 | 7.25 | |  Doossche, Carlo | | | 1956 | BEL | 0.00 | 1 | -0.28 | 25 | -7.00 | | | Porteman, Eric | | | 1957 | BEL | 0.00 | 1 | -0.28 | 25 | -7.00 | |
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) | | |
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