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Individual Calculations July 2009 |
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| Szefer, Michal Total change: -10.65 | |   |
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| 57th YMCA Winter 2009-B | Warszawa | POL | 2009-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2006 | 2067 | 5.50 | 10 | -0.32 | 15 | -4.80 | |
|  Kosny, Marek | | | 1980 | POL | 1.00 | 1 | 0.38 | 15 | 5.70 | |  Szymczak, Rafal | | | 1995 | POL | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Zurkowski, Andrzej | | | 2047 | POL | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Krasiewicz, Robert | | | 2080 | POL | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Sielicki, Tomasz | | | 2073 | POL | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Borowicz, Przemyslaw | | | 2008 | POL | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Choroszej, Aleksander | | | 1991 | POL | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Grochulski, Grzegorz | | | 1955 | POL | 0.00 | 1 | -0.65 | 15 | -9.75 | | | Goslawski, Michal | | | 1970 | POL | 0.00 | 1 | -0.63 | 15 | -9.45 | | | Ponceleusz, Bronislaw | | | 1965 | POL | 1.00 | 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) | | | | 62nd YMCA Spring 2009-A | Warszawa | POL | 2009-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2130 | 2047 | 3.50 | 10 | -0.39 | 15 | -5.85 | |
| | Michniewski, Tomasz | | | 2213 | POL | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Przybyla, Kamil | | | 2166 | POL | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Luksik, Mateusz | | | 2127 | POL | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Krasiewicz, Robert | | | 2122 | POL | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Olejarczyk, Bogdan | | | 2168 | POL | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Siekierski, Pawel | | | 2081 | POL | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Moskwinski, Tadeusz | | | 2216 | POL | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Szymczak, Rafal | | | 2025 | POL | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Pieczonka, Marcin | | | 2107 | POL | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Zurkowski, Andrzej | | | 2079 | POL | 0.00 | 1 | -0.46 | 15 | -6.90 | |
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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