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Individual Calculations September 2017 |
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| Maatman, Nick Total change: -47.40 | |   |
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| Dutch Open 2017 | Dieren | NED | 2017-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2230 | 2386 | 4.00 | 9 | -2.21 | 20 | -44.20 | |
|  Evengroen, Jan | | | 2108 | NED | 0.50 | 1 | -0.33 | 20 | -6.60 | |  Van Helvoort, Rob | | | 2123 | NED | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Kokje, Joris | | | 2112 | NED | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Ikonnikov, Vyacheslav | g | | 2538 | RUS | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Van Meegen, Ruud | | | 2239 | NED | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Vos, Tjark | | | 2171 | AHO | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Brodowski, Piotr | m | | 2442 | POL | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Elgersma, Simon | | | 2120 | NED | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Beukema, Jasper | f | | 2218 | BEL | 0.00 | 1 | -0.72 | 20 | -14.40 | |
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) | | | | Hogeschool Zeeland Chess Tournament 2017 | Vlissingen | NED | 2017-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2177 | 2386 | 6.50 | 9 | -0.16 | 20 | -3.20 | |
| | Niewenhuis, Ruud | | | 1986 * | NED | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Nieuwenhuijse, Louis | | | 2062 | NED | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Duson, Robin | | | 1986 * | NED | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Klepke, Ricardo | | | 2205 | NED | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Grochal, Joey | | | 2186 | NED | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Muehlenhaus, Sven | f | | 2199 | GER | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Zevenhuizen, Daniel | | | 2103 | NED | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Czebe, Attila | g | | 2465 | HUN | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Zwirs, Nico | | | 2399 | NED | 0.50 | 1 | 0.02 | 20 | 0.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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