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Individual Calculations March 2023 |
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| Markiewicz, Janusz Total change: -28.40 | |   |
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| 268th YMCA Winter 2023-D Round 4 | Warszawa | POL | 2023-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1152 | 1108 | 1.00 | 2 | 0.13 | 20 | 2.60 | |
|  Domanski, Andrzej | | | 1163 | POL | 0.00 | 1 | -0.42 | 20 | -8.40 | |  Przybylik, Mariusz | | | 1141 | POL | 1.00 | 1 | 0.55 | 20 | 11.00 | |
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) | | | | XIII Otwarte Mistrzostwa Garnizonu Warszawa w szachach klasycznych 2023 Round 5-7 | Warszawa | POL | 2023-02-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1152 | 1108 | 0.00 | 3 | -1.33 | 20 | -26.60 | |
| | Kaczmarczyk, Marcin | | | 1288 | POL | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Mackiewicz, Anna | | | 1101 | POL | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Kocwin, Tomasz | | | 1066 | POL | 0.00 | 1 | -0.56 | 20 | -11.20 | |
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) | | | | 268th YMCA Winter 2023-D Round 5-7 | Warszawa | POL | 2023-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1177 | 1108 | 1.00 | 3 | -0.22 | 20 | -4.40 | |
| | Glowacki, Mateusz | | | 1242 | POL | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Jaworowski, Andre | | | 1102 | USA | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Brzostek, Piotr | | | 1186 | POL | 1.00 | 1 | 0.61 | 20 | 12.20 | |
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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