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Individual Calculations April 2009 |
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| Kosny, Marek Total change: 18.45 | |   |
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| 53rd YMCA Autumn 2008-B | Warszawa | POL | 2008-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1960 | 1980 | 6.50 | 10 | 1.23 | 15 | 18.45 | |
|  Budakow, Adrian | | | 1886 | POL | 1.00 | 1 | 0.37 | 15 | 5.55 | |  Moskwinski, Marek | | | 1866 | POL | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Choroszej, Aleksander | | | 1973 | POL | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Szymczak, Rafal | | | 2036 | POL | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Bielecki, Pawel | | | 2024 | POL | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Wrabel, Antoni | | | 1901 | POL | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Mokrzanowski, Andrzej | | | 1948 | POL | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Jozwik, Jacek | | | 2022 | POL | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Rogala, Robert | | | 2033 | POL | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Pietrzak, Wojciech | | | 1912 | POL | 1.00 | 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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