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Individual Calculations February 2024 |
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| Koschetzki, Christian Total change: -10.80 | |   |
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| Tata Steel Chess 204 - Weekday three-round event | Wijk aan Zee | NED | 2024-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1987 | 1946 | 1.50 | 3 | 0.16 | 20 | 3.20 | |
|  Boom, Wim | | | 2072 | NED | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Postema, Wim | | | 1941 | NED | 0.50 | 1 | -0.01 | 20 | -0.20 | |  Moller, Werner | | | 1948 | NED | 0.50 | 1 | 0.00 | 20 | 0.00 | |
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) | | | | Deutsche Schach-Amateurmeisterschaft 2023-2024 Q3 B | Bad Wildungen | GER | 2024-01-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1999 | 1946 | 1.00 | 4 | -0.70 | 20 | -14.00 | |
| | Oppitz, Peter | c | | 1988 | GER | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Kerz, Markus | | | 1980 | GER | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Kandic, Milan | f | | 2003 | SRB | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Trunz, Michelle | | | 2023 | GER | 0.00 | 1 | -0.39 | 20 | -7.80 | |
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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