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Individual Calculations February 2019 |
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| Seijen, Henk Total change: -22.00 | |   |
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| Chess Festival Groningen 2018 - Compact B | Groningen | NED | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1661 | 1772 | 1.50 | 4 | -1.10 | 20 | -22.00 | |
|  Hoogeveen, Luuk | | | 1662 | NED | 0.50 | 1 | -0.15 | 20 | -3.00 | |  Slagboom, Leandro | | | 1674 | NED | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Huisman, Frans | | | 1630 | NED | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Vriens, Huib | | | 1679 | NED | 0.00 | 1 | -0.63 | 20 | -12.60 | |
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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