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Individual Calculations February 2019 |
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| Kastelijn, Twan Total change: 54.00 | |   |
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| Chess Festival Groningen 2018 - Open B and C | Groningen | NED | 2018-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1844 | 1942 | 6.50 | 9 | 0.92 | 20 | 18.40 | |
|  Van Mulken, Nanning | | | 1639 | NED | 1.00 | 1 | 0.14 | 20 | 2.80 | |  Santema, Tjeerd | | | 1776 | NED | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Visser, Johan | | | 1739 | NED | 1.00 | 1 | 0.24 | 20 | 4.80 | | | De Vries, Leon | | | 1692 | NED | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Labruyere, Roger | | | 1760 | NED | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Johnson, Matthew | | | 2010 | SUD | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Paans, Johnny | | | 1968 | NED | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Wissmann, Dolf | | | 2049 | NED | 0.00 | 1 | -0.35 | 20 | -7.00 | | | De Jong, Mathijs | | | 1967 | NED | 1.00 | 1 | 0.53 | 20 | 10.60 | |
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 Chess Tournament 2018 - Tienkampen | Wijk aan Zee | NED | 2019-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1965 | 1942 | 6.00 | 9 | 1.78 | 20 | 35.60 | |
| | Dissel, Henk | | | 1979 | NED | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Straathof, Dick | | | 1909 | NED | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Van Der Beek, Ruud | | | 2043 | NED | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Beverdam, Frank | | | 1934 | NED | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Karstens, Lex | | | 1907 | NED | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Ory, Jean-Paul | | | 1930 | NED | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Klaren, Duncan | | | 1985 | NED | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Van Den Bergh, Ben | | | 2010 | NED | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Duin, Laurens | | | 1989 | NED | 0.50 | 1 | 0.07 | 20 | 1.40 | |
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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