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Blitz:
Individual Calculations October 2023 |
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| Kejna, Piotr Total change: -8.80 | |   |
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| Polish Blitz Youth Chess Championship 2023 - B16 | Bydgoszcz | POL | 2023-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1838 | 1985 | 8.50 | 13 | -0.22 | 40 | -8.80 | |
|  Nowak, Maciej | | | 1585 * | POL | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Bartnik, Michal | | | 1663 | POL | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Gbiorczyk, Mikolaj | | | 1785 | POL | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Meers, Hubert | | | 2130 | POL | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Kutowski, Marcel | | | 2041 | POL | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Wajda, Krzysztof | | | 1611 | POL | 0.00 | 1 | -0.90 | 40 | -36.00 | | | Trochimczuk, Szymon | | | 1753 | POL | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Wiatrowski, Zbigniew | | | 1813 | POL | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Zalega, Maciej | | | 1872 | POL | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Demski, Michal | | | 1965 | POL | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Skrzypinski, Jan | | | 2058 | POL | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Zajac, Szymon | | | 1888 | POL | 0.50 | 1 | -0.13 | 40 | -5.20 | | | Kazmierowski, Tymon | | | 1731 | POL | 1.00 | 1 | 0.19 | 40 | 7.60 | | | * 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) | | |
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