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Individual Calculations June 2024 |
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| Kowalski, Artur Total change: -34.00 | |   |
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| 289th YMCA Spring 2024-D Round 4 | Warszawa | POL | 2024-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1587 | 1507 | 0.00 | 1 | -0.39 | 40 | -15.60 | |
|  Bobinski, Lukasz | | | 1587 | POL | 0.00 | 1 | -0.39 | 40 | -15.60 | |
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) | | | NOTE: K factor changed | | Wiosenne FIDE granie w Hetmanie 2024_B Round 4-7 | Warszawa | POL | 2024-05-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1413 | 1495 | 1.50 | 3 | -0.33 | 20 | -6.60 | |
| | Zaklika, Karolina | | | 1404 | POL | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Bartosik, Jan | | | 1427 | POL | 0.00 | 1 | -0.59 | 20 | -11.80 | |  Daniszewski, Rafal | | | 1408 | POL | 1.00 | 1 | 0.38 | 20 | 7.60 | |
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) | | | | 289th YMCA Spring 2024-D Round 5-8 | Warszawa | POL | 2024-05-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1532 | 1495 | 1.50 | 4 | -0.30 | 40 | -12.00 | |
| | Przybylik, Mariusz | | | 1483 | POL | 1.00 | 1 | 0.48 | 40 | 19.20 | | | Florczak, Witold | | | 1471 | POL | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Chudyk, Mateusz | | | 1605 | POL | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Matyszkiewicz, Radoslaw | | | 1567 | POL | 0.50 | 1 | 0.10 | 40 | 4.00 | |
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) | | | NOTE: K factor changed | | Festiwal Szachowy na Ursynowie - Grupa FIDE - maj '24 | Warszawa | POL | 2024-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1500 | 1495 | 1.00 | 2 | 0.01 | 20 | 0.20 | |
| | Kossakowski, Marek | | | 1571 | POL | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Czerniak, Igor | | | 1429 | POL | 1.00 | 1 | 0.41 | 20 | 8.20 | |
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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