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Individual Calculations July 2009 |
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| Demidowicz, Maria Total change: -1.50 | |   |
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| Grand Prix Gorzowa Wlkp | Gorzowa Wlkp | POL | 2009-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2014 | 2131 | 1.50 | 3 | -0.39 | 15 | -5.85 | |
|  Dragun, Kamil | | | 2178 | POL | 0.50 | 1 | 0.07 | 15 | 1.05 | |  Siwiec, Arkadiusz | | | 2082 | POL | 0.00 | 1 | -0.57 | 15 | -8.55 | | | Swiderski, Radoslaw | | | 1781 | POL | 1.00 | 1 | 0.11 | 15 | 1.65 | |
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) | | | | Mistrzostwa Polski Juniorek do 18 lat w szachach | Chotowa | POL | 2009-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1952 | 2131 | 7.50 | 11 | -0.29 | 15 | -4.35 | |
| | Makosa, Angelika | | | 1781 | POL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Rosiak, Agata | | | 1814 | POL | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Skrzypczak, Anna | | | 2000 | POL | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Kasperek, Joanna | | | 2037 | POL | 0.00 | 1 | -0.63 | 15 | -9.45 | | | Dabrowska, Kamila | | | 1781 | POL | 0.00 | 1 | -0.89 | 15 | -13.35 | | | Cieslar, Monika | | | 1781 | POL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Golek, Jagoda | | | 2028 | POL | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Warakomska, Anna | | wf | 2169 | POL | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Stepien, Katarzyna | | | 1781 | POL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Wierzbicka, Wiktoria | | | 2045 | POL | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Kulon, Klaudia | | wf | 2251 | POL | 1.00 | 1 | 0.66 | 15 | 9.90 | |
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) | | | | 17th Lasker's Memorial - Open A | Barlinek | POL | 2009-05-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2289 | 2139 | 3.50 | 8 | 0.88 | 15 | 13.20 | |
| | Zezulkin, Jurij | g | | 2431 | BLR | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Klim, Kamil | | | 2211 | POL | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Wisniowska, Klaudia | | | 2016 | POL | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Koziak, Vitali | m | | 2475 | UKR | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Voloshin, Leonid | g | | 2445 | CZE | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Sukhimski, Vladimir | | | 2148 | UKR | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Lubienski, Tadeusz | | | 2127 | POL | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Orzech, Dominik | | | 2461 | 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) | | | | Grand Prix Gorzowa Wlkp. - maj 2009 | Gorzow | POL | 2009-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1996 | 2139 | 3.00 | 5 | -0.30 | 15 | -4.50 | |
| | Delekta, Filip | | | 1789 | POL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Czaplinski, Piotr | | | 1789 | POL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Dragun, Kamil | | | 2217 | POL | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Lubienski, Tadeusz | | | 2127 | POL | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Bartnicki, Pawel | | | 2056 | POL | 0.00 | 1 | -0.61 | 15 | -9.15 | |
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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