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Individual Calculations February 2023 |
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| Van Kesteren, Stef Total change: -36.80 | |   |
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| Chessfestival Groningen 2022 Compact | Groningen | NED | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1750 | 1855 | 0.50 | 4 | -2.07 | 20 | -41.40 | |
|  Torensma, Jan | | | 1751 | NED | 0.50 | 1 | -0.14 | 20 | -2.80 | |  Hesselink, Rutger | | | 1762 | NED | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Van Dijk, Ron | | | 1752 | NED | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Welling, Sophie | | | 1734 | NED | 0.00 | 1 | -0.66 | 20 | -13.20 | |
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) | | | | MARIENBAD OPEN 2023 D - seniors tournament 50 plus | Marianske Lazne | CZE | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1835 | 1862 | 5.00 | 9 | 0.23 | 20 | 4.60 | |
| | Sonntagbauer, Manfred | | | 1493 | AUT | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Lamprecht, Mark | | | 2192 | GER | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Aird, Ian | | | 1698 | SCO | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Bartsch, Marius, Dr. | | | 1647 | GER | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Kandic, Milan | f | | 2023 | SRB | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Molnar, Ladislav | | | 1739 | CZE | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Spanton, Tim R | | | 1895 | ENG | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Steiner, Juraj | | | 1895 | CZE | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Vodicka, Pavel | | | 1931 | CZE | 0.00 | 1 | -0.40 | 20 | -8.00 | |
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) | | |
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