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Individual Calculations April 2008 |
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| Lewandowski, Marek Total change: -13.20 | |   |
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| Obra Zima 2008 grupa A | Obra | POL | 2008-02-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1829 | 1926 | 3.50 | 7 | -0.85 | 15 | -12.75 | |
|  Hanusek, Sebastian | | | 1866 | POL | 0.50 | 1 | -0.08 | 15 | -1.20 | |  Jagodzinski, Piotr | | | 2220 | POL | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Sobiech, Krzysztof | | | 1785 | POL | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Ostrowska, Marta | | | 1645 | POL | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Kwapisiewicz, Karol | | | 1740 | POL | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Dus, Leszek | | | 1941 | POL | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Zezulkin, Alina | | | 1609 | POL | 1.00 | 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) | | | | Tartakower's Memorial | Dzierzoniow | POL | 2008-02-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1928 | 1926 | 2.00 | 4 | -0.03 | 15 | -0.45 | |
| | Kresa, Jaroslaw | | | 1762 | POL | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Siembab, Bartosz | | | 2198 | POL | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Kacprzak, Robert | | | 1833 | POL | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Golinski, Damian | | | 1920 | POL | 0.00 | 1 | -0.51 | 15 | -7.65 | |
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) | | |
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