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Individual Calculations March 2023 |
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| Kedzierski, Slawomir Total change: -3.20 | |   |
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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 |
| 1710 | 2110 | 0.50 | 1 | -0.42 | 20 | -8.40 | |
|  Zbrzeski, Piotr | | | 1710 * | POL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 |
| 1789 | 2044 | 0.50 | 1 | -0.31 | 20 | -6.20 | |
| | Dobosiewicz, Dawid | | | 1789 | POL | 0.50 | 1 | -0.31 | 20 | -6.20 | |
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) | | | | Chylicka Kolowka 2000 Plus Round 5-7 | Chylice | POL | 2023-02-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2070 | 2044 | 1.50 | 3 | 0.10 | 20 | 2.00 | |
| | Zysko, Jan | | | 2135 | POL | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Polak, Michal | | | 1921 | POL | 0.50 | 1 | -0.17 | 20 | -3.40 | |  Praczukowski, Stanislaw | | | 2154 | POL | 0.50 | 1 | 0.15 | 20 | 3.00 | |
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 |
| 1743 | 2044 | 3.00 | 3 | 0.47 | 20 | 9.40 | |
| | Sypula, Krzysztof | | | 1680 | POL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Cyra, Tomasz | | | 1859 | POL | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Szyszko, Jan | | | 1690 | POL | 1.00 | 1 | 0.11 | 20 | 2.20 | |
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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