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Individual Calculations September 2021 |
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| Owoc, Jakub Total change: -22.50 | |   |
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| 1st Merlin Lezajsk Chess Open - B | Lezajsk | POL | 2021-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1544 | 1768 | 5.50 | 9 | -1.20 | 25 | -30.00 | |
|  Jakubowska, Urszula | | | 1374 | POL | 1.00 | 1 | 0.08 | 25 | 2.00 | |  Rosc, Ignacy | | | 1447 | POL | 0.50 | 1 | -0.37 | 25 | -9.25 | | | Trybowska, Barbara | | | 1807 | POL | 0.00 | 1 | -0.45 | 25 | -11.25 | | | Tokarz, Izabela | | | 1747 | POL | 1.00 | 1 | 0.47 | 25 | 11.75 | | | Cwieka, Konrad | | | 1368 * | POL | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Kielb, Miroslaw | | | 1368 * | POL | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Socha, Krzysztof | | | 1633 | POL | 1.00 | 1 | 0.32 | 25 | 8.00 | | | Lachut, Tomasz | | | 1390 | POL | 0.00 | 1 | -0.91 | 25 | -22.75 | | | Gazda, Dominik | | | 1765 | POL | 0.00 | 1 | -0.50 | 25 | -12.50 | | | * 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) | | | | 57th Akiba Rubinstein Chess Festival - OPEN B | Polanica-Zdroj | POL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1891 | 1768 | 5.00 | 9 | 1.87 | 25 | 46.75 | |
| | Liberadzki, Slawomir | | | 2049 | POL | 0.50 | 1 | 0.34 | 25 | 8.50 | | | Komendecki, Jacek | | | 2012 | POL | 0.50 | 1 | 0.30 | 25 | 7.50 | | | Wielgus, Jerzy | | | 2039 | POL | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Hasterok, Lukasz | | | 1637 | POL | 1.00 | 1 | 0.32 | 25 | 8.00 | | | Kawalko, Adam | | | 1915 | POL | 0.00 | 1 | -0.30 | 25 | -7.50 | | | Rosol, Philip | | | 1509 | AUT | 1.00 | 1 | 0.18 | 25 | 4.50 | | | Kaczmarska, Joanna | | | 2000 | POL | 0.50 | 1 | 0.29 | 25 | 7.25 | | | Komendecki, Antoni | | | 1838 | POL | 0.50 | 1 | 0.10 | 25 | 2.50 | | | Kozlowski, Pawel | | | 2023 | POL | 1.00 | 1 | 0.81 | 25 | 20.25 | |
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) | | | | 57th Akiba Rubinstein Chess Festival - OPEN D | Polanica-Zdroj | POL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1531 | 1768 | 5.50 | 9 | -1.57 | 25 | -39.25 | |
| | Grobelny, Mikolaj | | | 1459 | POL | 0.50 | 1 | -0.36 | 25 | -9.00 | | | Jozefik, Aleksander | | | 1471 | POL | 1.00 | 1 | 0.15 | 25 | 3.75 | | | Malecki, Mateusz | | | 1609 | POL | 1.00 | 1 | 0.29 | 25 | 7.25 | | | Rychlik, Michal | | | 1368 * | POL | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Kasprzak, Lukasz | | | 1626 | POL | 0.00 | 1 | -0.69 | 25 | -17.25 | | | Rozanski, Mateusz | | | 1638 | POL | 0.50 | 1 | -0.18 | 25 | -4.50 | | | Mareau, Timothe | | | 1603 | FRA | 1.00 | 1 | 0.28 | 25 | 7.00 | | | Kowalik, Bartosz | | | 1479 | POL | 0.00 | 1 | -0.84 | 25 | -21.00 | | | Lochina, Justyna | | | 1524 | POL | 0.50 | 1 | -0.30 | 25 | -7.50 | | | * 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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