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Individual Calculations February 2023 |
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| Erdmann, Stefan Total change: -16.80 | |   |
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| Deutsche Schach-Amateurmeisterschaft 2022-2023 Q2 A | Potsdam | GER | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2218 | 2158 | 1.50 | 5 | -0.58 | 20 | -11.60 | |
|  Skibbe, Willi | f | | 2190 | GER | 0.50 | 1 | 0.04 | 20 | 0.80 | |  Ermitsch, Magnus | f | | 2215 | GER | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Eilenberg, Jonas | | | 2235 | GER | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Schoene, Ralf | m | | 2250 | GER | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Gassmann, Volker, Dr. | | | 2199 | GER | 0.50 | 1 | 0.06 | 20 | 1.20 | |
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) | | | | Deutsche Schach-Amateurmeisterschaft 2022-2023 Q3 A | Bad Wildungen | GER | 2023-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2202 | 2158 | 1.50 | 4 | -0.26 | 20 | -5.20 | |
| | Mohaupt, Sascha | | | 2195 | GER | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Humburg, Philipp | f | | 2239 | GER | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Liebelt, Jannik | | | 2132 | GER | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Kersten, Uwe | m | | 2242 | GER | 0.50 | 1 | 0.12 | 20 | 2.40 | |
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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