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Individual Calculations September 2019 |
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| Poltorak, Sebastian Total change: 82.08 | |   |
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| European Youth Chess Championship 2019 Open 14 | Bratislava | SVK | 2019-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2082 | 2048 | 5.50 | 9 | 1.41 | 38 | 53.58 | |
|  Davidov, Lazar | | | 1652 | SRB | 1.00 | 1 | 0.08 | 38 | 3.04 | |  Tsaruk, Maksim | | | 2230 | BLR | 0.50 | 1 | 0.24 | 38 | 9.12 | | | Popov, Konstantin | f | | 2367 | RUS | 0.00 | 1 | -0.13 | 38 | -4.94 | | | Grahn, Vidar | | | 1898 | SWE | 0.50 | 1 | -0.20 | 38 | -7.60 | | | Cuttoli, Alexandre | | | 1914 | MNC | 1.00 | 1 | 0.32 | 38 | 12.16 | | | Musyuk, Lior | f | | 2311 | ISR | 1.00 | 1 | 0.82 | 38 | 31.16 | | | Yaniv, Yuval | | | 2193 | ISR | 0.00 | 1 | -0.31 | 38 | -11.78 | | | Vojta, Jakub | | | 2256 | CZE | 0.50 | 1 | 0.27 | 38 | 10.26 | | | Nareks, Matic | | | 1913 | SLO | 1.00 | 1 | 0.32 | 38 | 12.16 | |
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) | | | | XXVII Miedzynarodowy Festiwal Szachowy w Poznaniu - OPEN A | Poznan | POL | 2019-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2025 | 2048 | 5.50 | 9 | 0.75 | 38 | 28.50 | |
| | Nicikowski, Jozef | | | 1648 * | POL | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Rusinski, Mateusz | | | 1813 | POL | 1.00 | 1 | 0.21 | 38 | 7.98 | | | Maciejczak, Jakub | f | | 2352 | POL | 0.00 | 1 | -0.14 | 38 | -5.32 | | | Duszczak, Dariusz | | | 1841 | POL | 1.00 | 1 | 0.23 | 38 | 8.74 | | | Lach, Tomasz | | | 1814 | POL | 1.00 | 1 | 0.21 | 38 | 7.98 | | | Mocny, Tomasz | | | 1727 | POL | 1.00 | 1 | 0.13 | 38 | 4.94 | | | Szelag, Marcin | m | | 2416 | POL | 0.00 | 1 | -0.10 | 38 | -3.80 | | | Niekras, Dawid | f | | 2300 | POL | 0.50 | 1 | 0.31 | 38 | 11.78 | | | Przybylski, Wojciech | f | | 2312 | POL | 0.00 | 1 | -0.18 | 38 | -6.84 | | | * 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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