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Individual Calculations February 2020 |
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| Arnold, Frieda Total change: -18.40 | |   |
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| Chessfestival Groningen 2019 - Open B&C | Groningen | NED | 2019-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1824 | 1840 | 3.00 | 9 | -1.73 | 40 | -69.20 | |
|  Wissmann, Dolf | | | 2092 | NED | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Hofstra, Tijmen | | | 1710 | NED | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Slagter, Ruben | | | 2077 | NED | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Huizinga, Egbert | | | 1705 | NED | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Sprik, Sander | | | 1791 | NED | 0.00 | 1 | -0.57 | 40 | -22.80 | | | Karsdorp, Nico | | | 1812 | NED | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Broersma, Sven | | | 1627 | NED | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Blom, Yeb | | | 1917 | NED | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Pol, Thierry | | | 1684 | NED | 0.00 | 1 | -0.71 | 40 | -28.40 | |
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) | | | NOTE: K factor changed | | Tata Steel Tienkampen 2020 | Wijk aan Zee | NED | 2020-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1844 | 1840 | 7.00 | 9 | 2.54 | 20 | 50.80 | |
| | Honig, Dick | | | 1860 | NED | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Van Maassen, Berend | | | 1833 | NED | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Straathof, Dick | | | 1886 | NED | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Freer, Rob | | | 1861 | NED | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Bermon, Henk | | | 1844 | NED | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Van Ingen, Rik | | | 1826 | NED | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Kuijs, Piet | | | 1820 | NED | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Van Nassau, Erik | | | 1843 | NED | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Van Heeren, Arie | | | 1819 | NED | 0.50 | 1 | -0.03 | 20 | -0.60 | |
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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