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Individual Calculations February 2023 |
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| Qatina, Waheeb Total change: 15.20 | |   |
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| Chessfestival Groningen 2022 Open B | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1792 | 1628 | 2.50 | 6 | 0.76 | 20 | 15.20 | |
|  Ritter, Uwe | | | 1855 | GER | 0.50 | 1 | 0.29 | 20 | 5.80 | |  Grashuis, Aldert-Jan | | | 1833 | NED | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Bloem, Mark | | | 1902 | NED | 1.00 | 1 | 0.83 | 20 | 16.60 | | | Said, Omar | | | 1640 | NED | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Goudriaan, Rafael | | | 1771 | NED | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Eefting, Martijn | | | 1753 | ENG | 0.00 | 1 | -0.33 | 20 | -6.60 | |
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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