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Individual Calculations January 2024 |
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| Marczak, Rafal Total change: 0.80 | |   |
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| 281st YMCA Autumn 2023-D Round 12-13 | Warszawa | POL | 2023-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1262 | 1551 | 1.00 | 1 | 0.16 | 40 | 6.40 | |
|  Jazdzyk, Bartosz | | | 1262 | POL | 1.00 | 1 | 0.16 | 40 | 6.40 | |
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) | | | | I Otwocki Klasyk u Krola Batorego - Grupa A | Otwock | POL | 2023-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1401 | 1551 | 4.00 | 5 | 0.69 | 40 | 27.60 | |
|  Bobinski, Lukasz | | | 1179 | POL | 0.00 | 1 | -0.90 | 40 | -36.00 | | | Goral, Antoni | | | 1166 | POL | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Mazan, Dawid | | | 1685 | POL | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Malicka, Magdalena | | | 1413 | POL | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Jagodzinski, Jaromir | | | 1560 | POL | 1.00 | 1 | 0.51 | 40 | 20.40 | |
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) | | | | Mala Norma FIDE XII 2023 | Chylice | POL | 2023-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1496 | 1551 | 1.50 | 4 | -1.00 | 40 | -40.00 | |
| | Bryszewski, Mateusz | | | 1189 | POL | 0.00 | 1 | -0.90 | 40 | -36.00 | | | Olejnik, Artur | | | 1307 | POL | 0.50 | 1 | -0.30 | 40 | -12.00 | | | Michalowski, Piotr | | | 1332 | POL | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Golecki, Jan | | | 2155 | POL | 0.00 | 1 | -0.02 | 40 | -0.80 | |
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) | | | | Festiwal Szachowy Rozana 2023 - Group B | Warszawa | POL | 2023-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1396 | 1551 | 5.00 | 7 | 0.17 | 40 | 6.80 | |
| | Nozynski, Stanislaw | | | 1237 | POL | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Dziolko, Wiktor | | | 1337 | POL | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Marerwa, Nyasha Phineas | | | 1757 | ZIM | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Walewski, Szymon | | | 1245 | POL | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Serafin, Jerzy | | | 1464 | POL | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Wozniak, Gabriel | | | 1373 | POL | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Zalewska, Malgorzata | | | 1362 | POL | 0.50 | 1 | -0.25 | 40 | -10.00 | |
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) | | |
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