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Individual Calculations September 2009 |
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| Snihur, Piotr Total change: 11.15 | |   |
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| Mistrzostwa Wielkopolski Juniorow - Grupa C-13 | Lichen | POL | 2009-06-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1784 | 1684 | 0.00 | 2 | -0.73 | 25 | -18.25 | |
|  Adamczewski, Jedrzej | | | 1710 | POL | 0.00 | 1 | -0.46 | 25 | -11.50 | |  Kwiatkowski, Wiktor | | | 1857 | POL | 0.00 | 1 | -0.27 | 25 | -6.75 | |
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) | | | NOTE: K factor changed | | V Mielenska Perla Baltyku B | Lazy | POL | 2009-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1807 | 1684 | 1.50 | 4 | 0.10 | 15 | 1.50 | |
| | Lewandowski, Marek | | | 1951 | POL | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Stypka, Zbigniew | | | 1943 | POL | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Zakrocki, Sebastian | | | 1830 | POL | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Borkowski, Helmut | | | 1502 | POL | 1.00 | 1 | 0.26 | 15 | 3.90 | |
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) | | | NOTE: K factor changed | | V International Chess Festival Open B Chojnice 2009 | Chojnice | POL | 2009-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1783 | 1712 | 2.00 | 5 | -0.09 | 15 | -1.35 | |
| | Grajczak, Adrian | | | 1985 | POL | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Panczuk, Boleslaw | | | 1556 | POL | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Zwara, Szymon | | | 1514 | POL | 0.00 | 1 | -0.76 | 15 | -11.40 | | | Belka, Andrzej | | | 1890 | POL | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Obrocki, Dariusz | | | 1970 | POL | 0.50 | 1 | 0.32 | 15 | 4.80 | |
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) | | | NOTE: K factor changed | | XVIII Miêdzynarodowy Festiwal Szachowy - Open B | Poznan | POL | 2009-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1896 | 1712 | 3.00 | 4 | 1.95 | 15 | 29.25 | |
| | Kaczmarek, Alicja | | | 1821 | POL | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Rozumek, Krzysztof | | | 1871 | POL | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Krasinski, Rafal | | | 1961 | POL | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Rusinski, Mateusz | | | 1932 | POL | 0.50 | 1 | 0.28 | 15 | 4.20 | |
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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