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Individual Calculations January 2009 |
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| Jacek, Krystian Total change: 21.45 | |   |
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| Miêdzywojewódzkie Mistrzostwa Juniorów C15 | Pila | POL | 2008-09-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1812 | 1987 | 7.00 | 8 | 1.26 | 15 | 18.90 | |
|  Polarczyk, Pawel | | | 1798 | POL | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Smieszniak, Bartlomiej | | | 1799 | POL | 1.00 | 1 | 0.26 | 15 | 3.90 | |  Ancuta, Adam | | | 1857 | POL | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Kamecki, Mateusz | | | 1701 | POL | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Adamek, Przemyslaw | | | 1963 | POL | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Wesolowski, Edgar | | | 1901 | POL | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Pera, Adam | | | 1842 | POL | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Piechota, Piotr | | | 1637 | POL | 1.00 | 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) | | | | Turniej o Puchar Prezesa Stoczni Szczecinskiej Nowa | Szczecin | POL | 2008-10-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2038 | 2005 | 2.50 | 5 | 0.17 | 15 | 2.55 | |
| | Jacek, Roksana | | | 1655 | POL | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Welna, Lukasz | | | 1854 | POL | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Rutkowski, Maciej | m | | 2335 | POL | 0.50 | 1 | 0.38 | 15 | 5.70 | | | Korbal, Arkadiusz | | | 2002 | POL | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Aliavdin, Nikolai | m | | 2343 | BLR | 0.00 | 1 | -0.12 | 15 | -1.80 | |
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) | | |
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