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Individual Calculations January 2023 |
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| Bruma, Ioan Total change: 26.20 | |   |
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| Petra Chess Weekend - 29th ed. | Satu Mare | ROU | 2022-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1820 | 1416 | 2.50 | 6 | 1.31 | 20 | 26.20 | |
|  Samu, Sorin-Mihai | | | 2020 | ROU | 0.00 | 1 | -0.02 | 20 | -0.40 | |  Steiner, Rey | | | 1300 | ROU | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Mihailova, Alina | | wf | 2003 | MDA | 0.50 | 1 | 0.48 | 20 | 9.60 | | | Manea, Alexandru | m | | 2339 | ROU | 0.00 | 1 | 0.00 | 20 | 0.00 | | | Kumar, Amrit-Darius | | | 1508 | ROU | 1.00 | 1 | 0.63 | 20 | 12.60 | | | Negrean, Dorel | | | 1751 | ROU | 0.00 | 1 | -0.12 | 20 | -2.40 | |
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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