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Individual Calculations February 2018 |
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| Van Ketel, Raoul Total change: 4.40 | |   |
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| Chess Festival Groningen 2017 - Open A | Groningen | NED | 2017-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2244 | 2214 | 4.50 | 9 | 0.22 | 20 | 4.40 | |
|  Tiviakov, Sergei | g | | 2583 | NED | 0.00 | 1 | -0.10 | 20 | -2.00 | |  Bekedam, Tyro | | | 2073 | NED | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Beerdsen, Thomas | m | | 2419 | NED | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Theulings, Paul-Peter | c | | 2089 | NED | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Pappelis, Dimitrios | | | 2114 | GRE | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Zelbel, Patrick | m | | 2456 | GER | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Schippers, Maurice | | | 2302 | NED | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Rigopoulos-Tsigkos, Alexan | | | 2117 | GRE | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Hommes, Elmar | | | 2039 | NED | 1.00 | 1 | 0.27 | 20 | 5.40 | |
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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