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Individual Calculations February 2020 |
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| De Vries, Leon Total change: 64.80 | |   |
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| Chessfestival Groningen 2019 - Open B&C | Groningen | NED | 2019-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1851 | 1934 | 7.50 | 9 | 2.02 | 20 | 40.40 | |
|  Visser, Johan | | | 1716 | NED | 1.00 | 1 | 0.22 | 20 | 4.40 | |  Huizinga, Egbert | | | 1705 | NED | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Waardenburg, Feline | | | 1769 | NED | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Noordenbos, Daan | | | 2023 | NED | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Akotchik, Victor | | | 2095 | NED | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Van Der Meer, Henk | | | 1785 | NED | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Torenbosch, Jorn | | | 1821 | NED | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Labruyere, Roger | | | 1933 | NED | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Novotny, David | | | 1810 | CZE | 1.00 | 1 | 0.33 | 20 | 6.60 | |
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) | | | | Tata Steel Weekendvierkampen 2020 | Wijk aan Zee | NED | 2020-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1972 | 1948 | 1.50 | 3 | 0.10 | 20 | 2.00 | |
| | Paternotte, Stephan | | | 1911 | NED | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Van Der Grinten, Bas | | | 1952 | NED | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Woudt, Edwin | | | 2054 | NED | 0.50 | 1 | 0.14 | 20 | 2.80 | |
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) | | | | 22. Ruegenwalder NordWest-Cup Open A | Bad Zwischenahn | GER | 2020-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2073 | 1948 | 3.50 | 7 | 1.12 | 20 | 22.40 | |
| | Meessen, Max | | | 2203 | GER | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Koronowski, Heinz-Juergen | | | 1754 | GER | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Stabolewski, Andreas | | | 2092 | GER | 0.50 | 1 | 0.19 | 20 | 3.80 | | | De Mie, Mariska | | wf | 2158 | NED | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Hundack, Rolf | | | 2163 | GER | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Doell, Detlef | | | 2020 | GER | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Budzyn, Matthias | | | 2119 | GER | 0.50 | 1 | 0.23 | 20 | 4.60 | |
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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