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Individual Calculations January 2010 |
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| Sokolowski, Roman Total change: -6.60 | |   |
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| Grand Prix "Na Chrobrego 28" | Gorzów Wlkp. | POL | 2009-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1841 | 1911 | 1.50 | 4 | -0.88 | 15 | -13.20 | |
|  Bajek, Marek | | | 1642 | POL | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Dragun, Kamil | | | 2243 | POL | 0.00 | 1 | -0.12 | 15 | -1.80 | |  Chomski, Maciej | | | 1849 | POL | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Matwiej, Jozef | | | 1629 | POL | 0.50 | 1 | -0.34 | 15 | -5.10 | |
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 "Na Chrobrego 28" | Gorzow Wlkp | POL | 2009-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1910 | 1905 | 2.00 | 3 | 0.44 | 15 | 6.60 | |
| | Swiderski, Radoslaw | | | 1711 | POL | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Dragun, Kamil | f | | 2284 | POL | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Partyka, Pawel | | | 1735 | POL | 1.00 | 1 | 0.28 | 15 | 4.20 | |
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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