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Individual Calculations February 2020 |
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| Arnold, Lorin Total change: 2.80 | |   |
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| Chessfestival Groningen 2019 - Open B&C | Groningen | NED | 2019-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1845 | 1647 | 2.00 | 7 | 0.17 | 40 | 6.80 | |
|  Reinders, Joan | | | 1872 | NED | 0.50 | 1 | 0.28 | 40 | 11.20 | |  Slagter, Ruben | | | 2047 * | NED | 0.00 | 1 | -0.08 | 40 | -3.20 | | | De Jong, Mathijs | | | 1967 | NED | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Sprik, Sander | | | 1791 | NED | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Hofstra, Tijmen | | | 1710 | NED | 0.50 | 1 | 0.09 | 40 | 3.60 | | | Karsdorp, Nico | | | 1812 | NED | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Visser, Johan | | | 1716 | NED | 0.00 | 1 | -0.40 | 40 | -16.00 | | | * 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 Weekendvierkampen 2020 | Wijk aan Zee | NED | 2020-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1634 | 1670 | 1.00 | 2 | -0.10 | 40 | -4.00 | |
| | Brouwer, Erwin | | | 1635 | NED | 1.00 | 1 | 0.45 | 40 | 18.00 | | | De Man, Burg | | | 1632 | NED | 0.00 | 1 | -0.55 | 40 | -22.00 | |
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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