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Individual Calculations February 2019 |
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| Jonker, Jan Total change: 15.20 | |   |
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| Tata Steel Chess Tournament 2018 - Tienkampen | Wijk aan Zee | NED | 2019-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1203 | 1300 | 2.00 | 2 | 0.76 | 20 | 15.20 | |
|  Jonkman Inza , Sophia Leticia | | | 1066 | PER | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Spaan, Willem | | | 1339 | NED | 1.00 | 1 | 0.55 | 20 | 11.00 | |
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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