Individual Calculations February 2023 |
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Tabak, Stefan Total change: 6.60 | | |
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Chessfestival Groningen 2022 Open A | Groningen | NED | 2022-12-21 |
Rc | Ro | w | n | change | K | K*chg | Game |
2179 | 2129 | 3.50 | 9 | -0.52 | 20 | -10.40 | |
| Buckels, Valentin | m | | 2455 | GER | 0.50 | 1 | 0.37 | 20 | 7.40 | | Grutter, Tim | f | | 2363 | NED | 0.00 | 1 | -0.21 | 20 | -4.20 | | Noordenbos, Daan | | | 2056 | NED | 0.50 | 1 | -0.10 | 20 | -2.00 | | Achuthan, Dylan | | | 2081 | NED | 0.50 | 1 | -0.07 | 20 | -1.40 | | Nicolai, Amir | | | 2188 | NED | 0.00 | 1 | -0.42 | 20 | -8.40 | | Niharika, Challa | | | 2044 | IND | 1.00 | 1 | 0.38 | 20 | 7.60 | | Labruyere, Roger | | | 2104 | NED | 1.00 | 1 | 0.47 | 20 | 9.40 | | Pham, Khoi | f | | 2344 | NED | 0.00 | 1 | -0.23 | 20 | -4.60 | | Levitan, Ronit | | wf | 1972 | ISR | 0.00 | 1 | -0.71 | 20 | -14.20 | | 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) | | Tata Steel weekendvierkampen 2023 | Wijk aan Zee | NED | 2023-01-13 |
Rc | Ro | w | n | change | K | K*chg | Game |
2099 | 2137 | 2.50 | 3 | 0.85 | 20 | 17.00 | |
| De Roode, Peter | | | 2165 | NED | 0.50 | 1 | 0.04 | 20 | 0.80 | | Lazaro Riol, Alberto | | | 2101 | ESP | 1.00 | 1 | 0.45 | 20 | 9.00 | | Van De Lisdonk, Lucien | | | 2032 | NED | 1.00 | 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) | |
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