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Individual Calculations July 2009 |
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| Sitek, Dawid Total change: -37.65 | |   |
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| Silesian Team Championship | woj slaskie | POL | 2009-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1998 | 1786 | 0.00 | 2 | -0.46 | 25 | -11.50 | |
|  Mroziak, Maciej | | | 1949 | POL | 0.00 | 1 | -0.28 | 25 | -7.00 | |  Staszczyk, Waldemar | | | 2047 | POL | 0.00 | 1 | -0.18 | 25 | -4.50 | |
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) | | | | XIII Turniej Szachowy Boguszowice 2009 | Rybnik - Boguszowice | POL | 2009-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1928 | 1786 | 1.00 | 5 | -0.62 | 25 | -15.50 | |
| | Witoszek, Tadeusz | | | 2039 | POL | 0.50 | 1 | 0.31 | 25 | 7.75 | | | Zawierucha, Aleksander | | | 2078 | POL | 0.00 | 1 | -0.15 | 25 | -3.75 | | | Krupa, Anna | | | 1816 | POL | 0.00 | 1 | -0.46 | 25 | -11.50 | | | Jaworek, Miroslaw | | | 1899 | POL | 0.00 | 1 | -0.35 | 25 | -8.75 | | | Hagiel, Slawomir | | | 1808 | POL | 0.50 | 1 | 0.03 | 25 | 0.75 | |
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) | | | NOTE: K factor changed | | 17th Lasker's Memorial - open B | Barlinek | POL | 2009-05-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1984 | 1764 | 0.00 | 3 | -0.71 | 15 | -10.65 | |
| | Szczesniak, Andrzej | | | 2087 | POL | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Vaitonis, Vytautas | | | 2037 | LTU | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Kulaszynski, Michal | | | 1829 | POL | 0.00 | 1 | -0.41 | 15 | -6.15 | |
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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