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Individual Calculations March 2023 |
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| Jaroszuk, Marcin Total change: 36.40 | |   |
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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 |
| 1460 | 1482 | 0.50 | 1 | -0.03 | 20 | -0.60 | |
|  Bartosik, Dawid | | | 1460 | POL | 0.50 | 1 | -0.03 | 20 | -0.60 | |
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 4-7 | Warszawa | POL | 2023-02-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1581 | 1499 | 3.00 | 4 | 1.44 | 20 | 28.80 | |
| | Mlynarski, Zbigniew | | | 1595 | POL | 0.50 | 1 | 0.13 | 20 | 2.60 | |  Nocek, Dominik | | | 1643 | POL | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Kowalski, Witold | | | 1591 | POL | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Szumigaj, Marcin | | | 1495 | POL | 1.00 | 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) | | | | 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 |
| 1476 | 1499 | 2.00 | 3 | 0.41 | 20 | 8.20 | |
| | Rybicki, Jan | | | 1338 | POL | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Jarmolowski, Tadeusz | | | 1488 | POL | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Urbaniak, Karol | | | 1603 | POL | 0.00 | 1 | -0.36 | 20 | -7.20 | |
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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