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Individual Calculations September 2009 |
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| Mazalon, Mateusz Total change: -14.85 | |   |
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| V Mielenska Perla Baltyku B | Lazy | POL | 2009-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1803 | 1740 | 0.50 | 4 | -1.16 | 15 | -17.40 | |
|  Kumala, Aleksander | | | 1858 | POL | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Dus, Leszek | | | 1890 | POL | 0.50 | 1 | 0.20 | 15 | 3.00 | |  Stodolnik, Alicja | | | 1846 | POL | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Mlynarski, Zbigniew | | | 1619 | POL | 0.00 | 1 | -0.66 | 15 | -9.90 | |
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) | | | | International Chess Tournament Kowalewo Pomorskie Open B | Kowalewo Pomorskie | POL | 2009-07-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1821 | 1783 | 2.50 | 6 | -0.17 | 15 | -2.55 | |
| | Kotlowski, Tomasz | | | 1978 | POL | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Zakrzewski, Marek | | | 1947 | POL | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Dobrowolski, Marcin | | | 1948 | POL | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Stachowicz, Feliks | | | 1680 | POL | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Borkowski, Helmut | | | 1502 | POL | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Kapica, Pawel | | | 1869 | POL | 1.00 | 1 | 0.62 | 15 | 9.30 | |
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) | | | | XI Miedzynarodowe Mistrzostwa Gdanska w szachach-Open B | Gdansk | POL | 2009-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1826 | 1783 | 3.00 | 6 | 0.34 | 15 | 5.10 | |
| | Kropidlowski, Maciej | | | 1711 | POL | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Pofelski, Andrzej | | | 1963 | POL | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Ciesielski, Tomasz | | | 1886 | POL | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Karski, Sebastian | | | 1829 | POL | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Andrearczyk, Pawel | | | 1854 | POL | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Suliborski, Artur | | | 1714 | POL | 0.00 | 1 | -0.60 | 15 | -9.00 | |
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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