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Individual Calculations February 2018 |
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| Van Den Bos, Frans Pieter Total change: -7.40 | |   |
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| Chess Festival Groningen 2017 - Compact B | Groningen | NED | 2017-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1825 | 1926 | 2.50 | 4 | -0.05 | 20 | -1.00 | |
|  Rutten, David | | | 1807 | NED | 1.00 | 1 | 0.34 | 20 | 6.80 | |  Van De Griendt, Wouter | | | 1815 | NED | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Spears, Russell | | | 1840 | NED | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Maters, Arthur | | | 1839 | NED | 0.50 | 1 | -0.12 | 20 | -2.40 | |
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) | | | | Tata Steel Dagvierkampen 2018 | Wijk aan Zee | NED | 2018-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1848 | 1926 | 1.50 | 3 | -0.32 | 20 | -6.40 | |
| | Both, Gert | | | 1854 | NED | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Van De Griend, Johan | | | 1823 | NED | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Van Nieuwenhuizen, Hans | | | 1867 | NED | 1.00 | 1 | 0.42 | 20 | 8.40 | |
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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