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Individual Calculations February 2019 |
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| Bik, Wouter Total change: 40.80 | |   |
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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 |
| 1933 | 1938 | 2.50 | 3 | 0.99 | 40 | 39.60 | |
|  Tromp, Patriek | | | 1988 | NED | 1.00 | 1 | 0.57 | 40 | 22.80 | |  Du Chatinier, Gunie | | | 1972 | NED | 1.00 | 1 | 0.55 | 40 | 22.00 | | | Liefrink, Feike | | | 1840 | NED | 0.50 | 1 | -0.13 | 40 | -5.20 | |
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 |
| 1944 | 1938 | 1.50 | 3 | 0.03 | 40 | 1.20 | |
| | Sparreboom, Ronald | | | 1937 | NED | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Jonkers, Bas | | | 1885 | NED | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Poelstra, Ben | | | 2010 | NED | 0.00 | 1 | -0.40 | 40 | -16.00 | |
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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