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Individual Calculations September 2009 |
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| Grota, Mateusz Total change: 26.40 | |   |
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| Championship of Kujawsko-Pomorski Zwi±zek Szachowy | Chelmza | POL | 2009-06-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1984 | 1786 | 3.50 | 8 | 1.43 | 15 | 21.45 | |
|  Olszewski, Marek | | | 2136 | POL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Jablonski, Jerzy | | | 1941 | POL | 1.00 | 1 | 0.71 | 15 | 10.65 | |  Walczak, Krystian | | | 1961 | POL | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Sosnowski, Daniel | | | 1958 | POL | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Garbowska, Hanna | | | 2041 | POL | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Pawlowski, Pawel | | | 1881 | POL | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Gorniewicz, Oskar | | | 1817 | POL | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Zolnierowicz, Krzysztof | m | | 2136 | POL | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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) | | | | Dru¿ynowe Mistrzostwa Polski II Liga Juniorow | Lukow | POL | 2009-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1631 | 1786 | 4.00 | 5 | 0.47 | 15 | 7.05 | |
| | Karpacz, Piotr | | | 1633 | POL | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Fronczak, Sebastian | | | 1648 | POL | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Lakota, Tomasz | | | 1604 | POL | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Orzechowski, Michal | | | 1612 | POL | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Mykita, Andrzej | | | 1657 | POL | 1.00 | 1 | 0.33 | 15 | 4.95 | |
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) | | | | XI Miedzynarodowe Mistrzostwa Gdanska w szachach-Open B | Gdansk | POL | 2009-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1661 | 1786 | 2.50 | 4 | -0.14 | 15 | -2.10 | |
| | Kaluzny, Krzysztof | | | 1558 | POL | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Ciesielski, Tomasz | | | 1886 | POL | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Wolska, Marta | | | 1629 | POL | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Szulc, Krzysztof | | | 1570 | POL | 1.00 | 1 | 0.22 | 15 | 3.30 | |
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) | | |
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