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Individual Calculations September 2023 |
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| Pietrow, Andrzej Total change: -16.60 | |   |
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| RSB Open 2023 | Rotterdam | NED | 2023-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1792 | 2020 | 3.00 | 5 | -0.83 | 20 | -16.60 | |
|  Koes, Richard | | | 1761 | NED | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Chua, Ethan | | | 1701 | NED | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Segers, Albert | | | 1962 | NED | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Verhoeven, Leo | | | 1914 | NED | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Van Iersel, Yorn | | | 1620 * | NED | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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