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Individual Calculations September 2019 |
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| Van Roon, Sjoerd Total change: 6.46 | |   |
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| Dutch Open 2019 | Dieren | NED | 2019-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2213 | 2072 | 5.00 | 9 | 2.11 | 38 | 80.18 | |
|  Grooten, Herman | m | | 2310 | NED | 0.00 | 1 | -0.20 | 38 | -7.60 | |  Mulder, Bart-Piet | | | 2154 | NED | 0.00 | 1 | -0.39 | 38 | -14.82 | | | Verhoef, Pieter | | | 2161 | NED | 1.00 | 1 | 0.62 | 38 | 23.56 | | | Zwirs, Jasper | | | 2110 | NED | 1.00 | 1 | 0.55 | 38 | 20.90 | | | Konings, Frans | f | | 2208 | NED | 0.00 | 1 | -0.32 | 38 | -12.16 | | | Tang, Charlie | | | 2247 | NED | 1.00 | 1 | 0.73 | 38 | 27.74 | | | Mesman, Edwyn | | | 2204 | NED | 1.00 | 1 | 0.68 | 38 | 25.84 | | | Neelotpal, Das | g | | 2406 | IND | 0.00 | 1 | -0.12 | 38 | -4.56 | | | De Boer, Bas | | | 2117 | NED | 1.00 | 1 | 0.56 | 38 | 21.28 | |
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) | | | | Open Dutch Championship U20 | Borne | NED | 2019-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1779 | 2072 | 5.50 | 9 | -1.94 | 38 | -73.72 | |
| | Vleming, Stefan | | | 1760 | NED | 0.00 | 1 | -0.86 | 38 | -32.68 | | | De Bock, Thijs | | | 1870 | BEL | 0.00 | 1 | -0.76 | 38 | -28.88 | | | Kroon, Gerbrich | | | 1672 * | NED | 0.50 | 1 | -0.42 | 38 | -15.96 | | | Koning, Femke | | | 1672 * | NED | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Akulova, Alicia | | | 1702 | BEL | 0.00 | 1 | -0.90 | 38 | -34.20 | | | Lettko, Michael | | | 1672 * | GER | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Emans, Job | | | 2089 | NED | 1.00 | 1 | 0.52 | 38 | 19.76 | | | Vitharana, Annelies | | | 1768 | BEL | 1.00 | 1 | 0.14 | 38 | 5.32 | | | Hempler, Poul | | | 1809 | DEN | 1.00 | 1 | 0.18 | 38 | 6.84 | | | * 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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