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Individual Calculations September 2023 |
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| Somasundram, Jayakumar Total change: 6.40 | |   |
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| tschaturanga Sommer Cup 2023 Group A Round 3-6 | Vienna | AUT | 2023-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1764 | 1843 | 3.00 | 4 | 0.57 | 20 | 11.40 | |
|  Linnert, Peter | | | 1791 | AUT | 0.00 | 1 | -0.57 | 20 | -11.40 | |  Birg, Jovan | | | 1765 | AUT | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Brunner, Felix | | | 1695 | AUT | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Fuertler, Oliver | | | 1805 | AUT | 1.00 | 1 | 0.45 | 20 | 9.00 | |
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) | | | | 2. Wiener Amateurschachklub Open 2023 Gruppe B | Vienna | AUT | 2023-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1693 | 1792 | 1.50 | 4 | -1.05 | 20 | -21.00 | |
| | Jirovec, Peter | | | 1669 | AUT | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Buchhas, Johann | | | 1693 | AUT | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Brueggeboes, Anton | | | 1680 | GER | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Klepoch, Stefan | | | 1728 | AUT | 0.00 | 1 | -0.59 | 20 | -11.80 | |
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) | | | | 7. Schwarzatal Open 2023 A-Turnier | Gloggnitz | AUT | 2023-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1846 | 1792 | 3.00 | 5 | 0.80 | 20 | 16.00 | |
| | Hechl, Gerald | f | | 2240 | AUT | 0.00 | 1 | -0.06 | 20 | -1.20 | | | Antenreiter, Martin | | | 1663 | AUT | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Antenreiter, Lena | | | 1392 * | AUT | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wiedner, Robert | | | 2060 | AUT | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Martinovic, David | | | 1876 | AUT | 1.00 | 1 | 0.62 | 20 | 12.40 | | | * 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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