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Individual Calculations March 2023 |
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| Lafeber, Evert Total change: -34.80 | |   |
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| DD Den Haag Open Schaakkampioenschap 2022 Round 1-4 | Den Haag | NED | 2023-02-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1703 | 1825 | 2.00 | 4 | -0.58 | 40 | -23.20 | |
|  Van Renselaar, Lars | | | 1488 | NED | 1.00 | 1 | 0.12 | 40 | 4.80 | |  Tjin A Lien, Ike | | | 1606 | NED | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Arnold, Rhys | | | 2002 | NED | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Madularea, David | | | 1715 | NED | 0.00 | 1 | -0.65 | 40 | -26.00 | |
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) | | | | Dutch Team Competition 2022-2023 - Klasse 4 Round 6 | Various | NED | 2023-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1595 | 1825 | 0.50 | 1 | -0.29 | 40 | -11.60 | |
| | Brandenburg, Melchior | | | 1595 | NED | 0.50 | 1 | -0.29 | 40 | -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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