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Individual Calculations February 2019 |
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| Dekker, Jasper Total change: -9.60 | |   |
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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 |
| 1646 | 1786 | 5.00 | 9 | -0.98 | 20 | -19.60 | |
|  Smit, Wim | | | 1440 | NED | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Paans, Johnny | | | 1968 | NED | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Hillenkamp, Melchior | | | 1637 | NED | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Molanus, Lennart | | | 1552 | NED | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Van Heuveln, Henk | | | 1386 * | NED | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Van Den Heuvel, Annelies | | | 1597 | NED | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Neisingh, Nils | | | 1662 | NED | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Baselmans, Daan | | | 1566 | NED | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Johnson, Matthew | | | 2010 | SUD | 0.50 | 1 | 0.28 | 20 | 5.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 |
| 1910 | 1786 | 1.50 | 3 | 0.50 | 20 | 10.00 | |
| | De Veij, Ton | | | 1859 | NED | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Van Diermen, Arie | | | 1893 | NED | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Brink, Jan | | | 1979 | NED | 0.50 | 1 | 0.25 | 20 | 5.00 | |
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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