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Individual Calculations February 2020 |
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| Slagboom, Leandro Total change: -37.20 | |   |
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| Chessfestival Groningen 2019 - Compact A | Groningen | NED | 2019-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1879 | 2030 | 3.00 | 5 | -0.49 | 40 | -19.60 | |
|  Klapwijk, Leo | | | 1827 | NED | 0.00 | 1 | -0.76 | 40 | -30.40 | |  Vermeulen, Frans | | | 1830 | NED | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Grashuis, Aldert-Jan | | | 1880 | NED | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Hardeman, Martijn | | | 2004 | NED | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Van Ginkel, Henk | | | 1855 | NED | 1.00 | 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 Weekendvierkampen 2020 | Wijk aan Zee | NED | 2020-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1915 | 2023 | 1.50 | 3 | -0.44 | 40 | -17.60 | |
| | Nagel, Yvette | | wf | 1989 | NED | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Winsemius, Jan | | | 1887 | NED | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Hol, Camile | | | 1868 | NED | 0.50 | 1 | -0.21 | 40 | -8.40 | |
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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