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Individual Calculations September 2009 |
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| Van Der Velden, Bram Total change: -22.05 | |   |
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| Dutch Open | Dieren | NED | 2009-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2131 | 2210 | 4.00 | 9 | -1.47 | 15 | -22.05 | |
|  Ikonnikov, Vyacheslav | g | | 2556 | RUS | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Zimmermann, Luc | | | 2112 | NED | 0.00 | 1 | -0.63 | 15 | -9.45 | | | Beijerinck, Nick | | | 2022 | NED | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Lambrechts, Koen | | | 2076 | NED | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Beukema, Stefan | | | 2007 | NED | 0.00 | 1 | -0.76 | 15 | -11.40 | | | De Groote, Jesper | | | 2048 | NED | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Boulahfa, Hicham | | | 2022 | NED | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Motoc, Alina | | wg | 2315 | ROU | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Ten Vergert, Paul | | | 2025 | NED | 0.50 | 1 | -0.24 | 15 | -3.60 | |
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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