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Individual Calculations February 2019 |
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| De Koning, Martin Total change: -24.60 | |   |
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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 |
| 2148 | 2040 | 0.50 | 3 | -0.57 | 20 | -11.40 | |
|  Bakker, Martijn | | | 2112 | NED | 0.50 | 1 | 0.10 | 20 | 2.00 | |  Van Dijk, Harold | f | | 2234 | NED | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Geerts, Alexander | | | 2098 | NED | 0.00 | 1 | -0.42 | 20 | -8.40 | |
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) | | | | Tata Steel Chess Tournament 2018 - Dagvierkampen | Wijk aan Zee | NED | 2019-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2127 | 2040 | 0.50 | 3 | -0.66 | 20 | -13.20 | |
| | Straat, Evert-Jan | | | 2069 | NED | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Van Dijk, Harold | f | | 2234 | NED | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Woestenburg, Jochem | | | 2079 | NED | 0.50 | 1 | 0.05 | 20 | 1.00 | |
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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