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Individual Calculations June 2023 |
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| Brzostek, Piotr Total change: 64.40 | |   |
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| 274th YMCA Spring 2023-C Round 4-7 | Warszawa | POL | 2023-05-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1322 | 1225 | 3.50 | 4 | 2.04 | 40 | 81.60 | |
|  Kwiek, Janusz | | | 1346 | POL | 1.00 | 1 | 0.66 | 40 | 26.40 | |  Dabrowski, Leszek | | | 1317 | POL | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Baginski, Zbigniew | | | 1302 | POL | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Wiktorowski, Janusz | | | 1324 | POL | 1.00 | 1 | 0.64 | 40 | 25.60 | |
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) | | | | Wiosenne FIDE granie w Hetmanie 2023_B Round 4-6 | Warszawa | POL | 2023-05-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1277 | 1225 | 0.00 | 1 | -0.43 | 40 | -17.20 | |
| | Berent, Andrzej | | | 1277 | POL | 0.00 | 1 | -0.43 | 40 | -17.20 | |
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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