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Individual Calculations February 2023 |
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| Tsiapko, Andrii Total change: 34.40 | |   |
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| OTWARTA LIGA MAZOWIECKA 2023 Round 1-4 | woj. mazowieckie | POL | 2023-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1471 | 1650 | 2.00 | 4 | -0.64 | 40 | -25.60 | |
|  Sobol, Martyna | | | 1250 * | POL | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Terkiewicz, Bruno | | | 1768 | POL | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Koziol, Pawel | | | 1706 | POL | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Sysiak, Tymon | | | 1160 | POL | 1.00 | 1 | 0.04 | 40 | 1.60 | | | * 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) | | | | 271st YMCA Winter 2023-A Round 1-3 | Warszawa | POL | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1936 | 1650 | 2.00 | 3 | 1.50 | 40 | 60.00 | |
| | Pettersson, Alexander | | | 1878 | SWE | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Kasperkiewicz, Pawel | | | 1894 | POL | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Choroszej, Aleksander | | | 2036 | POL | 0.50 | 1 | 0.41 | 40 | 16.40 | |
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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