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Individual Calculations April 2023 |
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| Jaroszuk, Marcin Total change: 8.40 | |   |
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| XIII Otwarte Mistrzostwa Garnizonu Warszawa w szachach klasycznych 2023 Round 8 | Warszawa | POL | 2023-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1557 | 1499 | 1.00 | 1 | 0.58 | 20 | 11.60 | |
|  Trybula, Agata | | | 1557 | POL | 1.00 | 1 | 0.58 | 20 | 11.60 | |
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) | | | | 270th YMCA Winter 2023-B Round 8-11 | Warszawa | POL | 2023-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1642 | 1535 | 1.00 | 4 | -0.42 | 20 | -8.40 | |
| | Pasternak-Winiarski, Adam | | | 1578 | POL | 0.50 | 1 | 0.06 | 20 | 1.20 | |  Kuc, Mariusz | | | 1686 | POL | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Malicki, Jan | | | 1612 | POL | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Kania, Tomasz | | | 1690 | POL | 0.50 | 1 | 0.21 | 20 | 4.20 | |
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) | | | | XIII Otwarte Mistrzostwa Garnizonu Warszawa w szachach klasycznych 2023 Round 9-11 | Warszawa | POL | 2023-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1601 | 1535 | 1.50 | 3 | 0.26 | 20 | 5.20 | |
| | Juszkowski, Kamil | | | 1655 | POL | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Flis, Piotr | | | 1683 | POL | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Wilczynski, Adam | | | 1466 | POL | 1.00 | 1 | 0.40 | 20 | 8.00 | |
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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