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Individual Calculations February 2019 |
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| Grondsma, Mark Total change: -6.40 | |   |
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| Tata Steel Chess Tournament 2018 - Weekendvierkampen | Wijk aan Zee | NED | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2124 | 2080 | 1.00 | 3 | -0.32 | 20 | -6.40 | |
|  Hovenga, Alje | | | 2167 | NED | 1.00 | 1 | 0.62 | 20 | 12.40 | |  Van Roon, Sjoerd | | | 2136 | NED | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Mijnheer, Peter | | | 2069 | NED | 0.00 | 1 | -0.52 | 20 | -10.40 | |
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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