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Individual Calculations November 2009 |
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| Ostrowski, Robert Total change: -4.95 | |   |
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| XIV International Chess Festival - Seahorse of Rewal 2009 -Open B | Rewal | POL | 2009-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1889 | 2055 | 4.50 | 8 | -1.24 | 15 | -18.60 | |
|  Jedras, Piotr | | | 1887 | POL | 1.00 | 1 | 0.28 | 15 | 4.20 | |  Ostrowska, Dominika | | | 1914 | POL | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Kusenkova, Natallia | | | 1913 | BLR | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Grabowski, Adam | | | 1872 | POL | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Wrobel, Maciej | | | 1883 | POL | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Pacak, Patrycja | | | 1802 | POL | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Lozynski, Kamil | | | 1972 | POL | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Lis, Marcelina | | | 1865 | POL | 0.50 | 1 | -0.25 | 15 | -3.75 | |
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) | | | | Polish Team Championship I Liga | Ustron | POL | 2009-09-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2213 | 2055 | 1.50 | 2 | 0.91 | 15 | 13.65 | |
| | Olenderek, Tomasz | | | 2157 | POL | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Dudzinski, Pawel | | | 2269 | POL | 0.50 | 1 | 0.27 | 15 | 4.05 | |
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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