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Individual Calculations February 2023 |
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| Zecha, Oscar Total change: -74.80 | |   |
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| Chessfestival Groningen 2022 Open B | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1739 | 1905 | 4.50 | 9 | -1.87 | 40 | -74.80 | |
|  Goudriaan, Rafael | | | 1771 | NED | 0.00 | 1 | -0.68 | 40 | -27.20 | |  Sprik, Sander | | | 1740 | NED | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Stapersma, Dick | | | 1764 | NED | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Ritzerveld, Noah | | | 1515 | NED | 0.00 | 1 | -0.91 | 40 | -36.40 | | | Said, Omar | | | 1640 | NED | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Aravindhan, Achyuth | | | 1813 | NED | 0.00 | 1 | -0.63 | 40 | -25.20 | | | Muller, Kenneth | | | 1856 | NED | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Krylov, Philippe | | | 1737 | NED | 0.00 | 1 | -0.72 | 40 | -28.80 | | | Reinders, Joan | | | 1813 | NED | 0.50 | 1 | -0.13 | 40 | -5.20 | |
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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