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Individual Calculations September 2009 |
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| Helbig, Mark Total change: -3.75 | |   |
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| 20th NATO Chess Championship | Hammelburg | GER | 2009-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2142 | 2337 | 5.00 | 7 | -0.25 | 15 | -3.75 | |
|  Kedzierski, Slawomir | | | 2069 | POL | 0.50 | 1 | -0.33 | 15 | -4.95 | |  Szczesniak, Andrzej | | | 2087 | POL | 1.00 | 1 | 0.19 | 15 | 2.85 | | | L`henoret, Thierry | | | 2159 | FRA | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Indbryn, Tommy | | | 2158 | NOR | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Lillevold, Frode | | | 2154 | NOR | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Narman, Gokhan | | | 2120 | TUR | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Sypien, Mateusz | | | 2245 | POL | 0.00 | 1 | -0.63 | 15 | -9.45 | |
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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