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Individual Calculations February 2020 |
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| Labruyere, Roger Total change: 116.28 | |   |
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| Chessfestival Groningen 2019 - Open B&C | Groningen | NED | 2019-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1900 | 1933 | 6.00 | 9 | 1.13 | 38 | 42.94 | |
|  Pompstra, Henk | | | 1715 | NED | 1.00 | 1 | 0.22 | 38 | 8.36 | |  Arnold, Kiri | | | 1672 | NED | 1.00 | 1 | 0.18 | 38 | 6.84 | | | Akotchik, Victor | | | 2095 | NED | 0.00 | 1 | -0.29 | 38 | -11.02 | | | Klein, Jorik | | | 1859 | NED | 1.00 | 1 | 0.40 | 38 | 15.20 | | | Noordenbos, Daan | | | 2023 | NED | 1.00 | 1 | 0.62 | 38 | 23.56 | | | Muller, Kenneth | | | 1806 | NED | 0.00 | 1 | -0.67 | 38 | -25.46 | | | Saber, Anas | | | 2008 | MAR | 1.00 | 1 | 0.60 | 38 | 22.80 | | | De Vries, Leon | | | 1934 | NED | 0.00 | 1 | -0.50 | 38 | -19.00 | | | Pellikaan, Govert | | | 1984 | NED | 1.00 | 1 | 0.57 | 38 | 21.66 | |
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 Tienkampen 2020 | Wijk aan Zee | NED | 2020-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1966 | 1930 | 6.00 | 9 | 1.93 | 38 | 73.34 | |
| | Zondag, Jason | | | 1972 | NED | 1.00 | 1 | 0.56 | 38 | 21.28 | | | Noordkamp, Wouter | | | 2018 | NED | 0.50 | 1 | 0.12 | 38 | 4.56 | | | Bodicker, Rob | | | 2056 | NED | 0.50 | 1 | 0.17 | 38 | 6.46 | | | Husers, Yannic | | | 1915 | NED | 1.00 | 1 | 0.48 | 38 | 18.24 | | | Hoekstra, Peter | | | 2003 | NED | 0.50 | 1 | 0.10 | 38 | 3.80 | | | Beukema, Christiaan | | | 1876 | BEL | 1.00 | 1 | 0.42 | 38 | 15.96 | | | Bouton, Christophe | | | 2006 | FRA | 0.50 | 1 | 0.10 | 38 | 3.80 | | | Slisser, Theo | | | 2013 | NED | 0.50 | 1 | 0.11 | 38 | 4.18 | | | Van De Lagemaat, Arend | | | 1838 | NED | 0.50 | 1 | -0.13 | 38 | -4.94 | |
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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