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Individual Calculations February 2020 |
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| De Winter, Arthur Total change: 54.72 | |   |
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| Chessfestival Groningen 2019 - Open B&C | Groningen | NED | 2019-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1875 | 1932 | 5.00 | 9 | -0.12 | 38 | -4.56 | |
|  Hofstra, Tijmen | | | 1710 | NED | 1.00 | 1 | 0.22 | 38 | 8.36 | |  Molanus, Lennart | | | 1677 | NED | 1.00 | 1 | 0.19 | 38 | 7.22 | | | Noordenbos, Daan | | | 2023 | NED | 0.50 | 1 | 0.12 | 38 | 4.56 | | | Novotny, David | | | 1810 | CZE | 0.00 | 1 | -0.67 | 38 | -25.46 | | | Johnson, Matthew | | | 1963 | SUD | 1.00 | 1 | 0.54 | 38 | 20.52 | | | Neuendorf, Max | | | 1994 | GER | 0.00 | 1 | -0.41 | 38 | -15.58 | | | Kastelijn, Twan | | | 1984 | NED | 0.50 | 1 | 0.07 | 38 | 2.66 | | | Huizinga, Egbert | | | 1705 | NED | 1.00 | 1 | 0.21 | 38 | 7.98 | | | Salihbegovic, Edim | | | 2011 | BIH | 0.00 | 1 | -0.39 | 38 | -14.82 | |
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 Tienkampen 2020 | Wijk aan Zee | NED | 2020-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1977 | 1932 | 5.50 | 9 | 1.56 | 38 | 59.28 | |
| | Kat, Rudolf | | | 1967 | NED | 0.50 | 1 | 0.05 | 38 | 1.90 | | | Taams, Sander | | | 2043 | NED | 0.50 | 1 | 0.15 | 38 | 5.70 | | | Kruijf, Caspar | | | 1984 | NED | 0.50 | 1 | 0.07 | 38 | 2.66 | | | Seeleman, Jan | | | 1958 | NED | 1.00 | 1 | 0.54 | 38 | 20.52 | | | Duin, Laurens | | | 2012 | NED | 0.50 | 1 | 0.11 | 38 | 4.18 | | | Hamersma, Peter | | | 1870 | NED | 0.50 | 1 | -0.09 | 38 | -3.42 | | | Van Houwelingen, Leo | | | 2020 | NED | 0.50 | 1 | 0.12 | 38 | 4.56 | | | Schroer, Marcel | | | 2009 | NED | 0.50 | 1 | 0.11 | 38 | 4.18 | | | Baumhauer, Christian | | | 1932 | FRA | 1.00 | 1 | 0.50 | 38 | 19.00 | |
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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