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Individual Calculations February 2019 |
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| De Jong, Mathijs Total change: -29.60 | |   |
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| Chess Festival Groningen 2018 - Open B and C | Groningen | NED | 2018-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1846 | 1967 | 4.50 | 8 | -0.74 | 40 | -29.60 | |
|  Neisingh, Nils | | | 1662 | NED | 1.00 | 1 | 0.14 | 40 | 5.60 | |  Koedijk, Klaas Jan | | | 1776 | NED | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Van Hamond, Fons | | | 2001 | NED | 0.00 | 1 | -0.45 | 40 | -18.00 | | | Muller, Kenneth | | | 1805 | NED | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Haan, Gertjan | | | 1881 | NED | 0.00 | 1 | -0.62 | 40 | -24.80 | | | Van Der Hagen, Loek | | | 1830 | NED | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Martinez, Anna | | | 1868 | NED | 0.50 | 1 | -0.14 | 40 | -5.60 | | | Kastelijn, Toine | | | 1942 | NED | 0.00 | 1 | -0.53 | 40 | -21.20 | |
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) | | |
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