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Individual Calculations February 2019 |
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| Ero, Jan Total change: -26.80 | |   |
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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 |
| 1691 | 1631 | 1.00 | 4 | -0.67 | 40 | -26.80 | |
|  Keijzer, Leo | | | 1721 | NED | 0.00 | 1 | -0.38 | 40 | -15.20 | |  Witkamp, Theo | | | 1677 | NED | 0.00 | 1 | -0.44 | 40 | -17.60 | | | Butterworth, Simon | | | 1685 | NED | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Mittertreiner, Aad | | | 1680 | NED | 0.50 | 1 | 0.07 | 40 | 2.80 | |
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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