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Individual Calculations February 2019 |
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| Koks, Paul Total change: 10.80 | |   |
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| Chess Festival Groningen 2018 - Compact B | Groningen | NED | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1701 | 1606 | 3.00 | 4 | 1.53 | 40 | 61.20 | |
|  Vos, Wiert | | | 1660 | NED | 1.00 | 1 | 0.58 | 40 | 23.20 | |  Welling, Sophie | | | 1705 | NED | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Van Dijk, Ron | | | 1769 | NED | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Reintke, Erwin | | | 1668 | NED | 1.00 | 1 | 0.59 | 40 | 23.60 | |
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) | | | | Tata Steel Chess Tournament 2018 - Tienkampen | Wijk aan Zee | NED | 2019-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1635 | 1606 | 1.50 | 6 | -1.26 | 40 | -50.40 | |
| | Pelt, Hans | | | 1656 | NED | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Thierry, Rein | | | 1624 | NED | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Goudriaan, Jaap | | | 1657 | NED | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Egberts, Kees | | | 1708 | NED | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Sikkes, Piet | | | 1615 | NED | 0.00 | 1 | -0.49 | 40 | -19.60 | | | De Winter, Arthur | | | 1551 | NED | 0.00 | 1 | -0.58 | 40 | -23.20 | |
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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