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Individual Calculations July 2009 |
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| Grudzien, Piotr Total change: -21.00 | |   |
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| Mistrzostwa Polski Juniorów do 18 lat w szachach | Chotowa | POL | 2009-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1929 | 1965 | 4.00 | 10 | -1.40 | 15 | -21.00 | |
|  Markowski, Piotr | | | 2148 | POL | 0.00 | 1 | -0.26 | 15 | -3.90 | |  Klekowski, Maciej | | | 2213 | POL | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Szybka, Andrzej | | | 1935 | POL | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Kobus, Sebastian | | | 2021 | POL | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Karski, Lukasz | | | 1963 | POL | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Bugajski, Mateusz | | | 1615 | POL | 0.00 | 1 | -0.89 | 15 | -13.35 | | | Zwarycz, Milosz | | | 1724 | POL | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Hanusek, Sebastian | | | 1996 | POL | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Januszewski, Piotr | | | 1847 | POL | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Pilarski, Dawid | | | 1828 | POL | 1.00 | 1 | 0.32 | 15 | 4.80 | |
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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