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Individual Calculations August 2015 |
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| Helbig, Mark Total change: 4.20 | |   |
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| 26th NATO Chess Championship | Amsterdam | NED | 2015-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2080 | 2284 | 5.50 | 7 | 0.21 | 20 | 4.20 | |
|  Petat, Yannick | | | 1938 | FRA | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Graczyk, Damian | | | 2065 | POL | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Mestek, Igor | | | 2095 | SLO | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Hansen, Stefan | | | 2091 | DEN | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Cheung, Jan | | | 2056 | NED | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Sypien, Mateusz | | | 2250 | POL | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Bieluszewski, Piotr | | | 2062 | POL | 1.00 | 1 | 0.22 | 20 | 4.40 | |
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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