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Individual Calculations November 2009 |
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| Piotrowski, Przemyslaw Total change: 28.95 | |   |
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| The 45th Akiba Rubinstein - International Chess Festival - Open C | Polanica Zdroj | POL | 2009-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1709 | 1731 | 3.00 | 6 | -0.18 | 15 | -2.70 | |
|  Mikolajczyk, Andrzej | | | 1822 | POL | 1.00 | 1 | 0.62 | 15 | 9.30 | |  Jarmula, Pawel | | | 1828 | POL | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Wieczorek, Aleksandra | | | 1636 | POL | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Nowacki, Krzysztof | | | 1696 | POL | 0.00 | 1 | -0.55 | 15 | -8.25 | | | Szeglowski, Tomasz | | | 1547 | POL | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Paszewski, Mateusz | | | 1724 | POL | 0.00 | 1 | -0.51 | 15 | -7.65 | |
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) | | | | Otwarte Mistrzostwa MDK Srodmiescie Wroclaw | Wroclaw | POL | 2009-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1841 | 1765 | 3.00 | 4 | 1.37 | 15 | 20.55 | |
| | Lukasiewicz, Aleksander | | | 1899 | POL | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Kubica, Michal | | | 1690 | POL | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Mondrzycki, Bartlomiej | | | 2049 | POL | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Chmielewski, Jakub | | | 1727 | POL | 1.00 | 1 | 0.45 | 15 | 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) | | | | Mistrzostwa Miedzywojewodzkie DS+LB - grupa C11 | Lewin Klodzki | POL | 2009-10-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1620 | 1765 | 3.50 | 4 | 0.74 | 15 | 11.10 | |
| | Jozkow, Kacper | | | 1625 | POL | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Kanicki, Krzysztof | | | 1701 | POL | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Korpalski, Maciej | | | 1520 | POL | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Bronsztejn, Wojciech | | | 1633 | POL | 0.50 | 1 | -0.18 | 15 | -2.70 | |
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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