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Individual Calculations September 2011 |
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| Zielewicz, Piotr Total change: -16.05 | |   |
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| Mistrzostwa Polski Amatorów | Wroclaw | POL | 2011-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1919 | 1773 | 0.00 | 3 | -0.92 | 15 | -13.80 | |
|  Bohdanowicz, Tomasz | | | 1924 | POL | 0.00 | 1 | -0.30 | 15 | -4.50 | |  Ogonowska, Katarzyna | | | 1851 | POL | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Chrzanowski, Michal | | | 1981 | POL | 0.00 | 1 | -0.23 | 15 | -3.45 | |
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) | | | | Szachowe Lato 2011 - open A | Poznan | POL | 2011-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1863 | 1773 | 2.50 | 7 | -0.15 | 15 | -2.25 | |
| | Hemmerling, Jaroslaw | | | 1994 | POL | 1.00 | 1 | 0.78 | 15 | 11.70 | | | Musialkiewicz, Pawel | | | 1961 | POL | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Kozlowski, Tomasz | | | 1958 | POL | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Jaskowski, Tadeusz | | | 1914 | POL | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Raczynski, Krzysztof | | | 1494 | POL | 0.50 | 1 | -0.34 | 15 | -5.10 | | | Lambucki, Lukasz | | | 1844 | POL | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Chojnacki, Tomasz | | | 1874 | POL | 0.00 | 1 | -0.36 | 15 | -5.40 | |
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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