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Individual Calculations November 2009 |
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| Karpacz, Piotr Total change: 9.60 | |   |
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| XIV International Chess Festival - Seahorse of Rewal 2009 - Open C | Rewal | POL | 2009-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1816 | 1633 | 0.00 | 1 | -0.26 | 15 | -3.90 | |
|  Chojnacki, Tomasz | | | 1816 | POL | 0.00 | 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) | | | | Mistrzostwa Miedzywojewodzkie Juniorow OP-SL C11 | Ustroñ-Jaszowiec | POL | 2009-10-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1601 | 1638 | 2.00 | 2 | 0.90 | 15 | 13.50 | |
|  Klimek, Piotr | | | 1667 | POL | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Rosicki, Marcin | | | 1534 | POL | 1.00 | 1 | 0.36 | 15 | 5.40 | |
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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