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Individual Calculations February 2023 |
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| Boer, Alef Total change: -21.40 | |   |
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| Chessfestival Groningen 2022 Open A | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2084 | 2091 | 3.50 | 9 | -1.07 | 20 | -21.40 | |
|  Maatman, Nick | m | | 2348 | NED | 0.00 | 1 | -0.18 | 20 | -3.60 | |  Shakhverdian, William | | | 2143 | NED | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Westerlaan, Sander | | | 1954 | NED | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Bakker, Jouke | | | 2091 | NED | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Ankitha, Goud Palle | | wc | 1981 | IND | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Pal, Rohan | | | 1799 | ENG | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Nicolai, Amir | | | 2188 | NED | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Ratsma, Midas | f | | 2218 | NED | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Van Kuijk, Vadim | | | 2031 | NED | 0.00 | 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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