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Individual Calculations July 2012 |
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| Bobras, Piotr Total change: 3.30 | |   |
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| Extraliga Seniorow - Round 1-3 | Warszawa | POL | 2012-05-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2371 | 2550 | 2.50 | 3 | 0.33 | 10 | 3.30 | |
|  Olszewski, Michal | g | | 2522 | POL | 0.50 | 1 | -0.04 | 10 | -0.40 | | | Wieczorek, Oskar | | | 2289 | POL | 1.00 | 1 | 0.18 | 10 | 1.80 | |  Bartel, Michal | f | | 2302 | POL | 1.00 | 1 | 0.19 | 10 | 1.90 | |
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) | | |
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