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Individual Calculations September 2015 |
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| Koziak, Vitali Total change: 6.80 | |   |
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| 23rd Poznan Chess Festival | Poznan | POL | 2015-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2283 | 2465 | 7.00 | 9 | 0.68 | 10 | 6.80 | |
|  Ciesinski, Andrzej | | | 2065 * | POL | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Jedras, Piotr | | | 2065 * | POL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Korbal, Arkadiusz | | | 2087 | POL | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Zakrzewski, Marek | | | 2183 | POL | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Malaniuk, Vladimir P | g | | 2485 | UKR | 0.50 | 1 | 0.03 | 10 | 0.30 | | | Sieciechowicz, Marcin | m | | 2449 | POL | 1.00 | 1 | 0.48 | 10 | 4.80 | | | Tomczak, Jacek | g | | 2596 | POL | 0.00 | 1 | -0.32 | 10 | -3.20 | | | Reza, Wojciech | | | 2265 | POL | 0.50 | 1 | -0.26 | 10 | -2.60 | | | Plichta, Kamil | f | | 2350 | POL | 1.00 | 1 | 0.34 | 10 | 3.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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