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Individual Calculations July 2009 |
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| Kaczmarek, Piotr Total change: 6.60 | |   |
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| 3rd Chess League of the Wielkopolska Region | Wielkopolska | POL | 2008-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1778 | 1870 | 0.50 | 1 | -0.13 | 15 | -1.95 | |
|  Polarczyk, Pawel | | | 1778 | POL | 0.50 | 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) | | | | 4th POL Academic Champ. Open A | Wroclaw | POL | 2009-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1984 | 1890 | 4.00 | 9 | 0.57 | 15 | 8.55 | |
| | Wieczorek, Oskar | | | 2240 | POL | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Korosciel, Aneta | | | 2043 | POL | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Kucypera, Malgorzata | | | 2075 | POL | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Hermanowicz, Dominika | | | 2099 | POL | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Rant, Izabela | | | 1874 | POL | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Zahradnik, Tomas | | | 1590 | CZE | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Asauskas, Mindaugas | | | 1860 | LTU | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Vasylius, Kestutis | | | 2113 | LTU | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Kotermanska, Anna | | | 1961 | POL | 0.50 | 1 | 0.10 | 15 | 1.50 | |
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) | | |
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