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Individual Calculations September 2019 |
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| Koellner, Ruben Gideon Total change: 5.80 | |   |
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| 32. Kieler Open 2019 A-Gruppe | Kiel | GER | 2019-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2137 | 2315 | 5.50 | 9 | -0.87 | 20 | -17.40 | |
|  Boyens, Birger | | | 1918 | GER | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Pick, Stefan | | | 2019 | GER | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Koellner, Christof | | | 2091 | GER | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Legky, Nikolay A | g | | 2397 | FRA | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Simantsev, Mikhail | g | | 2346 | UKR | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Roehr, Tobias | | | 2054 | GER | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Arndt, Magnus | | | 2313 | GER | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Rieper, Julian | | | 2062 | GER | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Callsen, Niklas | | | 2033 | GER | 1.00 | 1 | 0.16 | 20 | 3.20 | |
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) | | | | Lueneburger Schachfestival 2019 GM-Turnier | Lueneburg | GER | 2019-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2410 | 2248 | 2.50 | 9 | -0.19 | 20 | -3.80 | |
| | Parvanyan, Ashot | m | | 2433 | GER | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Wachinger, Nikolas | | | 2318 | GER | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Korley, Kassa | m | | 2446 | DEN | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Polster, Christian | f | | 2254 | GER | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Vorobiov, Evgeny E. | g | | 2560 | RUS | 0.50 | 1 | 0.36 | 20 | 7.20 | | | Reuker, Jari | | | 2409 | GER | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Ovsejevitsch, Sergei | g | | 2591 | UKR | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Sriram, Jha | g | | 2381 | IND | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Pajeken, Jakob Leon | m | | 2299 | GER | 0.00 | 1 | -0.43 | 20 | -8.60 | |
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) | | | | 5. Bayer Sommeropen 2019 | Leverkusen | GER | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2128 | 2248 | 4.50 | 5 | 1.35 | 20 | 27.00 | |
| | Muedder, Melanie | | | 1905 | GER | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Tochtenhagen, Wolfgang | | | 2118 | GER | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Maass, Andre | | | 1848 * | GER | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Engel, Johann | | | 2245 | GER | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Berelowitsch, Alexander | g | | 2526 | GER | 0.50 | 1 | 0.33 | 20 | 6.60 | | | * 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) | | |
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