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Individual Calculations April 2023 |
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| Szyszko, Jan Total change: 4.40 | |   |
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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 |
| 1615 | 1690 | 1.00 | 1 | 0.40 | 20 | 8.00 | |
|  Ceglowski, Ryszard | | | 1615 | POL | 1.00 | 1 | 0.40 | 20 | 8.00 | |
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) | | | | OTWARTA LIGA MAZOWIECKA 2023 Round 7-10 | woj. mazowieckie | POL | 2023-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1504 | 1748 | 3.00 | 4 | -0.03 | 20 | -0.60 | |
|  Suminski, Bogdan | | | 1302 | POL | 0.50 | 1 | -0.44 | 20 | -8.80 | | | Jaczynski, Kacper | | | 1348 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wolny, Dawid | | | 1572 | POL | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Grzadka, Artur | | | 1793 | POL | 1.00 | 1 | 0.56 | 20 | 11.20 | | | * 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) | | | | 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 |
| 1559 | 1748 | 2.00 | 3 | -0.15 | 20 | -3.00 | |
| | Flis, Piotr | | | 1683 | POL | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Urbaniak, Karol | | | 1638 | POL | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Blus, Piotr | | | 1357 | POL | 0.50 | 1 | -0.41 | 20 | -8.20 | |
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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