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Individual Calculations August 2018 |
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| Ostrovskiy, Andrey Total change: -1.80 | |   |
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| 18th INTERNATIONAL NAJDORF CHESS FESTIVAL Gr. A | Warszawa | POL | 2018-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2373 | 2431 | 5.00 | 9 | -0.18 | 10 | -1.80 | |
|  Czopor, Maciej | | | 2217 | POL | 1.00 | 1 | 0.23 | 10 | 2.30 | |  Gurvich, Vitaly | f | | 2274 | RUS | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Salem, A.r. Saleh | g | | 2642 | UAE | 0.50 | 1 | 0.27 | 10 | 2.70 | | | Spitzl, Vinzent | f | | 2241 | GER | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Tomczak, Jacek | g | | 2600 | POL | 0.00 | 1 | -0.28 | 10 | -2.80 | | | Pacan-Milej, Kosma | f | | 2282 | POL | 0.50 | 1 | -0.20 | 10 | -2.00 | | | Sliwicki, Damian | c | | 2193 | POL | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Markowski, Tomasz | g | | 2561 | POL | 0.00 | 1 | -0.32 | 10 | -3.20 | | | Oglaza, Oskar | f | | 2344 | POL | 0.00 | 1 | -0.62 | 10 | -6.20 | |
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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