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Individual Calculations January 2010 |
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| Koitka, Jakub Total change: 5.25 | |   |
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| Mistrzostwa Gorzowa Wlkp. | Gorzow Wlkp | POL | 2009-11-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1894 | 1718 | 1.50 | 5 | 0.01 | 15 | 0.15 | |
|  Gigola, Jacek | | | 1856 | POL | 0.50 | 1 | 0.19 | 15 | 2.85 | |  Bartnicki, Pawel | | | 2109 | POL | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Czaplinski, Piotr | | | 1811 | POL | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Gromala, Radoslaw | | | 1647 | POL | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Lubienski, Tadeusz | | | 2048 | POL | 0.00 | 1 | -0.12 | 15 | -1.80 | |
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 |
| 1918 | 1718 | 1.50 | 4 | 0.34 | 15 | 5.10 | |
| | Dragun, Kamil | f | | 2118 * | POL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Swiderski, Radoslaw | | | 1711 | POL | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Partyka, Pawel | | | 1735 | POL | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Bartnicki, Pawel | | | 2109 | POL | 0.00 | 1 | -0.09 | 15 | -1.35 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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