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Individual Calculations April 2023 |
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| Mazurek, Jerzy Total change: -8.80 | |   |
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| 271st YMCA Winter 2023-A Round 8-11 | Warszawa | POL | 2023-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1777 | 1747 | 2.00 | 4 | 0.16 | 20 | 3.20 | |
|  Rylski, Tadeusz | | | 1808 | POL | 0.50 | 1 | 0.08 | 20 | 1.60 | |  Safanowski, Tomasz | | | 1727 | POL | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Sternik, Piotr | | | 1746 | POL | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Pettersson, Alexander | | | 1826 | SWE | 0.50 | 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) | | | | OTWARTA LIGA MAZOWIECKA 2023 Round 7-10 | woj. mazowieckie | POL | 2023-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1365 | 1747 | 3.00 | 4 | -0.60 | 20 | -12.00 | |
| | Borzym, Radoslaw | | | 1347 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sewera, Wiktor | | | 1378 | POL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Mazurek, Filip | | | 1469 | POL | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Baranowski, Jan | | | 1266 | POL | 1.00 | 1 | 0.05 | 20 | 1.00 | | | * 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) | | |
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