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Individual Calculations September 2023 |
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| Hertling, Juergen Total change: -9.40 | |   |
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| Krefelder Sommeropen 2023 | Krefeld | GER | 2023-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1813 | 1718 | 3.00 | 8 | 0.03 | 20 | 0.60 | |
|  Reuter, Julian-Frank | | | 2083 | GER | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Bigott, Martin | | | 1862 | GER | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Loheide, Michel | | | 1830 | GER | 0.00 | 1 | -0.35 | 20 | -7.00 | |  De Boer, Robert | | | 1972 | NED | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Brandt, Clara | | | 1318 * | GER | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Liesendahl, Felix | | | 1802 | GER | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Wenzke, Elias | | | 1810 | GER | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Vestrick, Frank | | | 1827 | GER | 0.00 | 1 | -0.35 | 20 | -7.00 | | | * 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) | | | | 7. Bayer Sommeropen 2023 | Leverkusen | GER | 2023-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1625 | 1718 | 2.00 | 4 | -0.50 | 20 | -10.00 | |
| | Vlasov, Igor | | | 2025 | GER | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Schueers, Christian | | | 1518 | GER | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Pernizki, Max | | | 1490 | GER | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Neumair, Dorian | | | 1465 | GER | 1.00 | 1 | 0.19 | 20 | 3.80 | |
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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