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Individual Calculations February 2019 |
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| Van Der Veen, Ailko Total change: -3.60 | |   |
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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 |
| 1753 | 1702 | 1.00 | 2 | 0.14 | 20 | 2.80 | |
|  Achuthan, Dylan | | | 1759 | NED | 0.50 | 1 | 0.08 | 20 | 1.60 | |  Aardenburg, Piet | | | 1746 | NED | 0.50 | 1 | 0.06 | 20 | 1.20 | |
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) | | | | Tata Steel Chess Tournament 2018 - Dagvierkampen | Wijk aan Zee | NED | 2019-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1746 | 1702 | 1.00 | 3 | -0.32 | 20 | -6.40 | |
| | Schol, Jan | | | 1784 | NED | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Goris-Schouwstra, Adry | | | 1620 | NED | 0.00 | 1 | -0.61 | 20 | -12.20 | | | Marks, Albert | | | 1833 | NED | 0.50 | 1 | 0.18 | 20 | 3.60 | |
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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