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Individual Calculations February 2019 |
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| Slagboom, Leandro Total change: 82.40 | |   |
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| Chess Festival Groningen 2018 - Compact B | Groningen | NED | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1784 | 1674 | 2.50 | 5 | 0.74 | 40 | 29.60 | |
|  Sipkema, Willem | | | 1817 | NED | 0.50 | 1 | 0.19 | 40 | 7.60 | |  Seijen, Henk | | | 1772 | NED | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Van Dijk, Ron | | | 1769 | NED | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Zwanepol, Johan | | | 1831 | NED | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Veldman, Martien | | | 1733 | NED | 1.00 | 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) | | | | Tata Steel Chess Tournament 2018 - Weekendvierkampen | Wijk aan Zee | NED | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1751 | 1674 | 2.50 | 3 | 1.32 | 40 | 52.80 | |
| | Kortenoeven, Gerard | | | 1791 | NED | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Furstenberg, Tom | | | 1776 | BEL | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Boer, Jan | | | 1685 | NED | 1.00 | 1 | 0.52 | 40 | 20.80 | |
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) | | |
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