|
Individual Calculations February 2023 |
|
|
|
| Kastelijn, Twan Total change: -23.00 | |   |
|
| Chessfestival Groningen 2022 Open B | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1769 | 1894 | 5.00 | 9 | -0.92 | 20 | -18.40 | |
|  Broersma, Sven | | | 1757 | NED | 0.00 | 1 | -0.68 | 20 | -13.60 | |  Stapersma, Dick | | | 1764 | NED | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Schwenke, Stefan | | | 1817 | GER | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Wierenga, Jael | | | 1762 | NED | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Ambrona Navarro, Himar | | | 1768 | ESP | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Kryvenko, Daryna | | | 1522 | UKR | 0.00 | 1 | -0.90 | 20 | -18.00 | | | Grashuis, Aldert-Jan | | | 1833 | NED | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Alhejab, Meshal | | | 1857 | KUW | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Vlieger, Olaf | | | 1845 | NED | 1.00 | 1 | 0.43 | 20 | 8.60 | |
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) | | | | Tata Steel Tienkampen 2023 | Wijk aan Zee | NED | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1969 | 1899 | 3.00 | 8 | -0.23 | 20 | -4.60 | |
| | Van De Lagemaat, Arend | | | 2016 | NED | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Lardinois, Wouter | | | 1981 | NED | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Boersma, Jan | | | 1925 | NED | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Otten, Colleen | | | 2007 | NED | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Berghuis, Marten | | | 1968 | NED | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Albrecht, Alex | | | 1849 | NED | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Bodicker, Rob | | | 2004 | NED | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Heijboer, Pieter | | | 2001 | NED | 0.00 | 1 | -0.36 | 20 | -7.20 | |
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) | | |
|
