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Individual Calculations September 2023 |
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| Van Gaalen, Jakob Total change: 5.40 | |   |
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| RSB Open 2023 | Rotterdam | NED | 2023-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1688 | 1431 | 1.00 | 4 | 0.27 | 20 | 5.40 | |
|  Stroosma, Harry | | | 1710 | NED | 0.00 | 1 | -0.16 | 20 | -3.20 | |  Van Kanten, Brian | | | 1690 | NED | 1.00 | 1 | 0.82 | 20 | 16.40 | | | Eveleens, Ed | | | 1652 | NED | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Van Heeren, Arie | | | 1700 | NED | 0.00 | 1 | -0.17 | 20 | -3.40 | |
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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