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Individual Calculations April 2009 |
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| Pietrzak, Wojciech Total change: 24.90 | |   |
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| 53rd YMCA Autumn 2008-B | Warszawa | POL | 2008-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1955 | 1912 | 6.00 | 12 | 0.69 | 15 | 10.35 | |
|  Nairi, Laurent | | | 1869 | FRA | 0.00 | 1 | -0.56 | 15 | -8.40 | |  Wrabel, Antoni | | | 1901 | POL | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Skladzien, Romuald | | | 1989 | POL | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Mokrzanowski, Andrzej | | | 1948 | POL | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Budakow, Adrian | | | 1886 | POL | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Jozwik, Jacek | | | 2022 | POL | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Moskwinski, Marek | | | 1866 | POL | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Choroszej, Aleksander | | | 1973 | POL | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Kosny, Marek | | | 1980 | POL | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Szymczak, Rafal | | | 2036 | POL | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Szewczak, Andrzej | | | 1964 | POL | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Bielecki, Pawel | | | 2024 | POL | 1.00 | 1 | 0.65 | 15 | 9.75 | |
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) | | | | XIX Miedzynarodowy Festiwal Szachowy CRACOVIA'2008, Gr-A | Krakow | POL | 2008-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2167 | 1912 | 2.50 | 8 | 0.97 | 15 | 14.55 | |
| | Jakubiec, Edyta | | wm | 2214 | POL | 1.00 | 1 | 0.85 | 15 | 12.75 | | | Brokken, Dennis | | | 2262 | NED | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Duhayon, Yves | | | 2237 | BEL | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Galyga, Zbigniew | | | 2204 | POL | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Kupczyk, Edyta | | | 2123 | POL | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Demidowicz, Maria | | | 2093 | POL | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Swiech, Przemyslaw | | | 2119 | POL | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Pipala, Janusz | | | 2086 | POL | 1.00 | 1 | 0.73 | 15 | 10.95 | |
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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