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Individual Calculations February 2023 |
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| Maters, Arthur Total change: -27.60 | |   |
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| Chessfestival Groningen 2022 Compact | Groningen | NED | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2072 | 2125 | 2.00 | 4 | -0.31 | 40 | -12.40 | |
|  Oord, Raymon | | | 1984 | NED | 1.00 | 1 | 0.31 | 40 | 12.40 | |  Van Osch, Mees | f | | 2356 | NED | 0.00 | 1 | -0.21 | 40 | -8.40 | | | De Jong, Mathijs | | | 1995 | NED | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Polee, Hans | | | 1953 | NED | 0.50 | 1 | -0.23 | 40 | -9.20 | |
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) | | | NOTE: K factor changed | | Tata Steel dagvierkampen 2023 | Wijk aan Zee | NED | 2023-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2092 | 2154 | 1.00 | 3 | -0.76 | 20 | -15.20 | |
| | Casteleijn, Diederick | | | 2095 | NED | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Van Helvoort, Rob | | | 2119 | NED | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Romkes, Abel | | | 2061 | NED | 0.00 | 1 | -0.63 | 20 | -12.60 | |
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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