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Individual Calculations April 2023 |
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| Zoltkowski, Marcin Total change: 3.60 | |   |
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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 |
| 1488 | 1310 | 1.00 | 1 | 0.73 | 40 | 29.20 | |
|  Jarmolowski, Tadeusz | | | 1488 | POL | 1.00 | 1 | 0.73 | 40 | 29.20 | |
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 |
| 1278 | 1314 | 1.00 | 3 | -0.64 | 40 | -25.60 | |
| | Bartosik, Dawid | | | 1459 | POL | 0.00 | 1 | -0.31 | 40 | -12.40 | |  Potynski, Hubert | | | 1254 | POL | 0.00 | 1 | -0.58 | 40 | -23.20 | | | Mackiewicz, Anna | | | 1122 | POL | 1.00 | 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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