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Individual Calculations June 2021 |
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| Kozak, Jan Total change: -13.80 | |   |
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| XI Otwarte Mistrzostwa Garnizonu Warszawa w szachach klasycznych 2021 Round 8-10 | Warszawa | POL | 2021-04-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1399 | 1315 | 0.50 | 3 | -0.69 | 20 | -13.80 | |
|  Dropia, Rafal | | | 1567 | POL | 0.00 | 1 | -0.19 | 20 | -3.80 | |  Wasilewski, Orhan | | | 1287 | POL | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Skowron, Dawid | | | 1342 | POL | 0.00 | 1 | -0.46 | 20 | -9.20 | |
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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