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Individual Calculations September 2021 |
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| Borys, Marek Total change: -101.00 | |   |
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| 245th YMCA Summer 2021-B | Warszawa | POL | 2021-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1560 | 1515 | 2.00 | 10 | -2.38 | 20 | -47.60 | |
|  Sloniewska, Alicja | | | 1621 | POL | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Kuznik, Kamil | | | 1486 | POL | 0.00 | 1 | -0.54 | 20 | -10.80 | |  Okurowski, Michal | | | 1632 | POL | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Jaroszuk, Marcin | | | 1571 | POL | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Szumigaj, Marcin | | | 1492 | POL | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Sloniewska, Alicja | | | 1621 | POL | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Kuznik, Kamil | | | 1486 | POL | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Okurowski, Michal | | | 1632 | POL | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Jaroszuk, Marcin | | | 1571 | POL | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Szumigaj, Marcin | | | 1492 | POL | 0.00 | 1 | -0.53 | 20 | -10.60 | |
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) | | | | 57th Akiba Rubinstein Chess Festival - OPEN B | Polanica-Zdroj | POL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1666 | 1444 | 2.00 | 8 | 0.11 | 20 | 2.20 | |
| | Lewandowski, Wiktor | | | 1795 | POL | 0.50 | 1 | 0.39 | 20 | 7.80 | | | Bajorski, Marius | | | 1844 * | GER | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Trusz, Julia | | | 1697 | POL | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Ciborowski, Konrad Jr | | | 1742 | POL | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Traczewski, Wojciech | | | 1559 | POL | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Hasterok, Lukasz | | | 1637 | POL | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Lazniewski, Tadeusz | | | 1547 | POL | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Rosol, Philip | | | 1509 | AUT | 0.50 | 1 | 0.09 | 20 | 1.80 | | | * 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 E | Polanica-Zdroj | POL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1136 | 1444 | 1.50 | 5 | -2.78 | 20 | -55.60 | |
| | Klisowski, Szymon | | | 1169 | POL | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Gibala, Adam | | | 1146 | POL | 0.00 | 1 | -0.85 | 20 | -17.00 | | | Maliszewski, Michal | | | 1173 | POL | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Twardziak, Jerzy | | | 1063 | POL | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Makarec, Anna | | | 1131 | POL | 0.00 | 1 | -0.86 | 20 | -17.20 | |
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) | | |
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