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Individual Calculations February 2023 |
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| Bloem, Mark Total change: -63.40 | |   |
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| Chessfestival Groningen 2022 Open B | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1707 | 1902 | 3.50 | 9 | -3.17 | 20 | -63.40 | |
|  Stapersma, Dick | | | 1764 | NED | 1.00 | 1 | 0.31 | 20 | 6.20 | |  Vlieger, Olaf | | | 1845 | NED | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Qatina, Waheeb | | | 1628 | NED | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Abma, Klaas | | | 1794 | NED | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Kryvenko, Daryna | | | 1522 | UKR | 0.00 | 1 | -0.91 | 20 | -18.20 | | | Sprik, Sander | | | 1740 | NED | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Bruening, Martin | | | 1688 | GER | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Gerdes, Jannes | | | 1620 | GER | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Van Der Meer, Henk | | | 1762 | NED | 1.00 | 1 | 0.31 | 20 | 6.20 | |
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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