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Individual Calculations June 2023 |
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| Spieker, Hans-Joachim Total change: -8.00 | |   |
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| Itzehoer Schach-Open 2023 | Itzehoe | GER | 2023-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1874 | 1747 | 1.00 | 4 | -0.40 | 20 | -8.00 | |
|  Martin, Dennis | | | 2009 | GER | 0.00 | 1 | -0.18 | 20 | -3.60 | |  Ploog, Jakob | | | 1392 | GER | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Kosanke, Stefan | | | 1933 | GER | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Lichtmannecker, Daniel | | | 2162 | GER | 0.00 | 1 | -0.07 | 20 | -1.40 | |
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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