Individual Calculations February 2023 |
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Gortemaker, Lucas Total change: 15.80 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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Chessfestival Groningen 2022 Open B | Groningen | NED | 2022-12-21 |
Rc | Ro | w | n | change | K | K*chg | Game |
1863 | 1975 | 6.00 | 7 | 1.47 | 20 | 29.40 | |
| Van Der Meer, Henk | | | 1762 | NED | 1.00 | 1 | 0.23 | 20 | 4.60 | | Abma, Klaas | | | 1794 | NED | 1.00 | 1 | 0.26 | 20 | 5.20 | | Bruggink, Tycho | | | 1865 | NED | 1.00 | 1 | 0.35 | 20 | 7.00 | | Broersma, Sven | | | 1757 | NED | 1.00 | 1 | 0.22 | 20 | 4.40 | | Boeren, Jurriaan | | | 1923 | NED | 0.50 | 1 | -0.07 | 20 | -1.40 | | Bakija, Alan | | | 1898 | NED | 0.50 | 1 | -0.11 | 20 | -2.20 | | Jelic, Bruno | | | 2039 | NED | 1.00 | 1 | 0.59 | 20 | 11.80 | | 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) | | PRAGUE OPEN 2023 A - IM open | Prague | CZE | 2023-01-06 |
Rc | Ro | w | n | change | K | K*chg | Game |
1854 | 1975 | 5.00 | 9 | -0.66 | 20 | -13.20 | |
| Selvik, Elma | | | 1575 * | NOR | 1.00 | 1 | 0.08 | 20 | 1.60 | | Jansen, Bob | | | 2194 | NED | 0.00 | 1 | -0.22 | 20 | -4.40 | | Pragnya, H G | | | 1611 | IND | 0.00 | 1 | -0.90 | 20 | -18.00 | | Shamsuddin, Sayyid Usmon | | | 1811 | UZB | 1.00 | 1 | 0.28 | 20 | 5.60 | | Slusarczyk, Anna | | | 1678 | POL | 1.00 | 1 | 0.15 | 20 | 3.00 | | Dahl, Max | | | 2169 | NOR | 0.00 | 1 | -0.25 | 20 | -5.00 | | Pejrimovska, Viola Ruby | | | 1632 | CZE | 1.00 | 1 | 0.12 | 20 | 2.40 | | Arndt, Stefan | | | 2166 | GER | 0.00 | 1 | -0.25 | 20 | -5.00 | | Korniichuk, Oleksandra | | | 1851 | UKR | 1.00 | 1 | 0.33 | 20 | 6.60 | | * 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 dagvierkampen 2023 | Wijk aan Zee | NED | 2023-01-16 |
Rc | Ro | w | n | change | K | K*chg | Game |
1968 | 1975 | 1.00 | 2 | -0.02 | 20 | -0.40 | |
| Sterrenburg, Kees | | | 1905 | NED | 0.00 | 1 | -0.60 | 20 | -12.00 | | Serdijn, Adinda | | | 2030 | NED | 1.00 | 1 | 0.58 | 20 | 11.60 | | 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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