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Individual Calculations February 2020 |
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| Laan, David Total change: 9.40 | |   |
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| Tata Steel Weekendvierkampen 2020 | Wijk aan Zee | NED | 2020-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1968 | 1976 | 2.00 | 3 | 0.47 | 20 | 9.40 | |
|  De Wilde, Steven | | | 1855 | NED | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Duson, Robin | | | 2007 | NED | 0.50 | 1 | 0.04 | 20 | 0.80 | |  Jap Tjoen San, Linda | | wm | 2042 | NED | 0.50 | 1 | 0.09 | 20 | 1.80 | |
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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