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Individual Calculations February 2018 |
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| Seip, Rien Total change: -19.80 | |   |
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| Tata Steel Weekendvierkampen 2018 | Wijk aan Zee | NED | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1998 | 1996 | 0.50 | 3 | -0.99 | 20 | -19.80 | |
|  Gebhardt, Uwe | | | 2005 | GER | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Geertsema, Piet | | | 1950 | NED | 0.00 | 1 | -0.56 | 20 | -11.20 | |  Moes, Joris | | | 2038 | NED | 0.50 | 1 | 0.06 | 20 | 1.20 | |
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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