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Individual Calculations September 2009 |
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| Wittig, Zenon Total change: 12.00 | |   |
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| XVIII Miêdzynarodowy Festiwal Szachowy - Open B | Poznan | POL | 2009-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1877 | 1687 | 1.50 | 4 | 0.48 | 25 | 12.00 | |
|  Weglarz, Janusz | | | 1957 | POL | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Kaczmarek, Piotr | | | 1888 | POL | 0.50 | 1 | 0.26 | 25 | 6.50 | |  Grochowski, Robert | | | 1843 | POL | 0.00 | 1 | -0.29 | 25 | -7.25 | | | Kaczmarek, Alicja | | | 1821 | POL | 1.00 | 1 | 0.68 | 25 | 17.00 | |
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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