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Individual Calculations February 2018 |
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| Thakoerdien, Jerrel Total change: 12.40 | |   |
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| Tata Steel Weekendvierkampen 2018 | Wijk aan Zee | NED | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2108 | 2202 | 2.50 | 3 | 0.62 | 20 | 12.40 | |
|  Kouwenhoven, Arjen | | | 2021 | NED | 1.00 | 1 | 0.26 | 20 | 5.20 | |  Tang, Charlie | | | 2166 | NED | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Mijnheer, Peter | | | 2138 | NED | 1.00 | 1 | 0.41 | 20 | 8.20 | |
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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