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Individual Calculations December 2021 |
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| Petersson, David Total change: 55.20 | |   |
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| Hasselbacken Chess Open 2021 Lang | Stockholm | SWE | 2021-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1911 | 1638 | 2.00 | 4 | 1.27 | 40 | 50.80 | |
|  Ask, Josef | f | | 2038 * | SWE | 1.00 | 1 | 0.92 | 40 | 36.80 | |  Stenman, Christoffer | | | 1926 | SWE | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Jernselius, Kjell | | | 1761 | SWE | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Wiklund, Johan | | | 1920 | SWE | 0.00 | 1 | -0.16 | 40 | -6.40 | | | * 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) | | | | Ungdomsserien 21/22, div 1 R12 | Malmo | SWE | 2021-11-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1281 | 1638 | 1.00 | 1 | 0.11 | 40 | 4.40 | |
| | Stedman, Theodor | | | 1281 | SWE | 1.00 | 1 | 0.11 | 40 | 4.40 | |
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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