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Individual Calculations April 2009 |
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| Piotrowski, Przemyslaw Total change: 101.50 | |   |
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| Turniej Noworoczny | Wroclaw | POL | 2008-12-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1677 | 1480 | 2.50 | 4 | 1.45 | 25 | 36.25 | |
|  Cukrowski, Filip | | | 1815 | POL | 0.50 | 1 | 0.38 | 25 | 9.50 | |  Dmochowska, Agnieszka | | | 1500 | POL | 1.00 | 1 | 0.53 | 25 | 13.25 | | | Pastuszko, Kinga | | | 1761 | POL | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Lachowicz, Judyta | | | 1630 | POL | 1.00 | 1 | 0.70 | 25 | 17.50 | |
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) | | | NOTE: K factor changed | | XIX PUCHAR GOR OPAWSKICH | Pokrzywna | POL | 2009-01-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1869 | 1550 | 4.50 | 9 | 3.30 | 15 | 49.50 | |
| | Olszowski, Andrzej | | | 1884 | POL | 0.50 | 1 | 0.38 | 15 | 5.70 | | | Mroziak, Maciej | | | 1900 | POL | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Ratajczyk, Rafal | | | 1900 | POL | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Barburzynska, Magdalena | | | 1871 | POL | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Prokopczuk, Antoni | | | 1861 | POL | 1.00 | 1 | 0.86 | 15 | 12.90 | | | Wesolowski, Edgar | | | 1866 | POL | 1.00 | 1 | 0.87 | 15 | 13.05 | | | Czyz, Artur | | | 1900 | POL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Cukrowski, Filip | | | 1838 | POL | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Zakaszewski, Mateusz | | | 1804 | POL | 0.50 | 1 | 0.31 | 15 | 4.65 | |
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) | | | NOTE: K factor changed | | OMW 1st | Wroclaw | POL | 2009-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1813 | 1550 | 2.00 | 5 | 1.05 | 15 | 15.75 | |
| | White, John | | | 1873 | USA | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Antoniewicz, Jakub | | | 1769 | POL | 1.00 | 1 | 0.78 | 15 | 11.70 | | | Kulas, Szymon | | | 1900 | POL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Kwasnicki, Andrzej | | | 1656 | POL | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Zombirt, Filip | | | 1869 | POL | 0.00 | 1 | -0.13 | 15 | -1.95 | |
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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