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Individual Calculations February 2018 |
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| Van Den Boogaart, Jan Maarten Total change: -4.20 | |   |
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| Tata Steel Dagvierkampen 2018 | Wijk aan Zee | NED | 2018-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1948 | 1997 | 1.50 | 3 | -0.21 | 20 | -4.20 | |
|  Van Putten, Mark | | | 1950 | NED | 0.50 | 1 | -0.07 | 20 | -1.40 | |  Postema, Wim | | | 1851 | NED | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Casteleijn, Diederick | | | 2042 | NED | 0.00 | 1 | -0.44 | 20 | -8.80 | |
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) | | |
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