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Individual Calculations February 2018 |
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| Van Diermen, Arie Total change: 3.20 | |   |
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| Tata Steel Dagvierkampen 2018 | Wijk aan Zee | NED | 2018-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1968 | 1911 | 1.00 | 2 | 0.16 | 20 | 3.20 | |
|  Noordkamp, Wouter | | | 2033 | NED | 0.00 | 1 | -0.33 | 20 | -6.60 | |  Freier, Werner, Dr. | | | 1902 | GER | 1.00 | 1 | 0.49 | 20 | 9.80 | |
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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