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Individual Calculations February 2023 |
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| Kanis, Sierk Total change: -17.20 | |   |
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| Chessfestival Groningen 2022 Compact | Groningen | NED | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2053 | 2054 | 3.50 | 5 | 1.01 | 20 | 20.20 | |
|  Boersma, Jan | | | 1919 | NED | 0.50 | 1 | -0.18 | 20 | -3.60 | |  Niemeijer, Leon | | | 1910 | NED | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Bielderman, Guy | | | 2156 | NED | 1.00 | 1 | 0.64 | 20 | 12.80 | | | De Groot, Hendrik | | | 2094 | NED | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Ilfeld, Etan | | | 2188 | ISR | 1.00 | 1 | 0.68 | 20 | 13.60 | |
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 |
| 2112 | 2062 | 2.00 | 9 | -1.87 | 20 | -37.40 | |
| | Heemskerk, Wim | f | | 2154 | NED | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Senders, Justin | | | 2159 | NED | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Stefan, Romulus-Cristian | c | | 2107 | ROU | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Perez Garcia, Hebert | | | 2092 | NED | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Van Egmond, Rogier | | | 2119 | NED | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Doggers, Peter | | | 2117 | NED | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Muth, Matthias Potisarath | | | 2051 | GER | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Van De Laar, Clement | | | 2116 | NED | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Lohia, Sohum | c | | 2096 | ENG | 0.00 | 1 | -0.45 | 20 | -9.00 | |
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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