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Individual Calculations February 2019 |
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| Grooten, Tommy 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 |
| 1753 | 1552 | 2.50 | 8 | 0.52 | 40 | 20.80 | |
|  Vermeulen, Frans | | | 1868 | NED | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Haan, Gertjan | | | 1881 | NED | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Van Mulken, Nanning | | | 1639 | NED | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Achuthan, Dylan | | | 1759 | NED | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Waardenburg, Marlinde | | | 1751 | NED | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Visser, Johan | | | 1739 | NED | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Hoogeboom, Boudewijn | | | 1665 | NED | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Benninga, Mark | | | 1724 | NED | 0.00 | 1 | -0.27 | 40 | -10.80 | |
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) | | | | Tata Steel Chess Tournament 2018 - Tienkampen | Wijk aan Zee | NED | 2019-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1774 | 1552 | 1.50 | 8 | -0.28 | 40 | -11.20 | |
| | Dijkstra, Theo | | | 1757 | NED | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Veerman, Henk | | | 1766 | NED | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Meintser, Tom | | | 1841 | NED | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Enserink, Henk | | | 1785 | NED | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Tamminga, Meile | | | 1786 | NED | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Van Heeren, Arie | | | 1784 | NED | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Buysman, Co | | | 1745 | NED | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Wiemerink, Hans | | | 1724 | NED | 0.50 | 1 | 0.23 | 40 | 9.20 | |
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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