Individual Calculations February 2023 |
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Alferink, Roel Total change: -15.20 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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Tata Steel dagvierkampen 2023 | Wijk aan Zee | NED | 2023-01-16 |
Rc | Ro | w | n | change | K | K*chg | Game |
1758 | 1730 | 1.00 | 3 | -0.38 | 40 | -15.20 | |
| Rutgers, Louis | | | 1734 | NED | 1.00 | 1 | 0.51 | 40 | 20.40 | | Meruma, Arie | | | 1715 | NED | 0.00 | 1 | -0.52 | 40 | -20.80 | | Koeweiden, Bart | | | 1825 | NED | 0.00 | 1 | -0.37 | 40 | -14.80 | | 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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