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Individual Calculations March 2023 |
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| Zbrzeski, Piotr Total change: 27.60 | |   |
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| XIII Otwarte Mistrzostwa Garnizonu Warszawa w szachach klasycznych 2023 Round 4 | Warszawa | POL | 2023-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2110 | 1612 | 0.50 | 1 | 0.46 | 20 | 9.20 | |
|  Kedzierski, Slawomir | | | 2110 | POL | 0.50 | 1 | 0.46 | 20 | 9.20 | |
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) | | | | Druzynowe Mistrzostwa Mazowsza 2023 Round 5-6 | woj. mazowieckie | POL | 2023-02-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1515 | 1625 | 1.50 | 2 | 0.22 | 20 | 4.40 | |
| | Drozdz, Jakub | | | 1617 | POL | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Chalecki, Michal | | | 1413 | POL | 1.00 | 1 | 0.23 | 20 | 4.60 | |
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) | | | | 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 |
| 1679 | 1625 | 2.00 | 3 | 0.70 | 20 | 14.00 | |
|  Jarmolowski, Tadeusz | | | 1488 | POL | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Szyszko, Jan | | | 1690 | POL | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Radecki, Wojciech | | | 1859 | POL | 1.00 | 1 | 0.79 | 20 | 15.80 | |
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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