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Individual Calculations April 2023 |
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| Potynski, Hubert Total change: 4.60 | |   |
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| XIII Otwarte Mistrzostwa Garnizonu Warszawa w szachach klasycznych 2023 Round 8 | Warszawa | POL | 2023-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1296 | 1253 | 0.00 | 1 | -0.44 | 20 | -8.80 | |
|  Kryston, Aleksander | | | 1296 | POL | 0.00 | 1 | -0.44 | 20 | -8.80 | |
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) | | | | XIII Otwarte Mistrzostwa Garnizonu Warszawa w szachach klasycznych 2023 Round 9-11 | Warszawa | POL | 2023-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1295 | 1254 | 2.00 | 3 | 0.67 | 20 | 13.40 | |
| | Rybicki, Jan | | | 1323 | POL | 0.50 | 1 | 0.10 | 20 | 2.00 | |  Zoltkowski, Marcin | | | 1314 | POL | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Janik, Grzegorz | | | 1248 | POL | 0.50 | 1 | -0.01 | 20 | -0.20 | |
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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