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Individual Calculations February 2023 |
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| Wolny, Dawid Total change: 29.60 | |   |
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| OTWARTA LIGA MAZOWIECKA 2023 Round 1-4 | woj. mazowieckie | POL | 2023-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1166 | 1546 | 1.50 | 2 | -0.32 | 20 | -6.40 | |
|  Olejko, Wojciech | | | 1186 | POL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Daniszewski, Michal | | | 1146 * | POL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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) | | | | Druzynowe Mistrzostwa Mazowsza 2023 Round 1-4 | woj. mazowieckie | POL | 2023-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1862 | 1546 | 1.00 | 4 | 0.15 | 20 | 3.00 | |
| | Bogatek, Pawel | | | 1401 | POL | 1.00 | 1 | 0.31 | 20 | 6.20 | |  Podgorski, Maciej | | | 1996 | POL | 0.00 | 1 | -0.06 | 20 | -1.20 | | | Smieszek, Wojciech | | | 2090 | POL | 0.00 | 1 | -0.03 | 20 | -0.60 | | | Kicinski, Jacek | | | 1960 | POL | 0.00 | 1 | -0.07 | 20 | -1.40 | |
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) | | | | Ursynowski Festiwal Szachowy - Grupa A 2023 | Warszawa | POL | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1787 | 1546 | 3.00 | 4 | 1.65 | 20 | 33.00 | |
| | Walewski, Szymon | | | 1200 | POL | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Smieszek, Wojciech | | | 2090 | POL | 0.50 | 1 | 0.47 | 20 | 9.40 | | | Napieralski, Lucjan | | | 1600 | POL | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Zochowski, Kacper | f | | 2256 | POL | 0.50 | 1 | 0.49 | 20 | 9.80 | |
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) | | |
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