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Individual Calculations May 2021 |
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| Sekulic Derdowski, Stefan Total change: -23.60 | |   |
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| Belgrade Spring Chess Festival 2021 - International Open | Beograd | SRB | 2021-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1552 | 1413 | 1.50 | 7 | -0.97 | 40 | -38.80 | |
|  Novakovic, Aleksej | | | 1813 * | SRB | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Acarbay, Algi | | | 1813 * | TUR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Zlatkov, Dimitar | | | 1271 | MKD | 0.00 | 1 | -0.69 | 40 | -27.60 | | | Radic, Marko | | | 1480 | SRB | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Jovanovic, Milan Z | | | 1532 | SRB | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Pasti, Zsombor | | | 1712 | HUN | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Vucicevic, Vladimir | | | 1246 | SRB | 0.50 | 1 | -0.22 | 40 | -8.80 | | | * 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) | | | | Belgrade Spring Chess Festival 2021 - Vikend rejting open | Beograd | SRB | 2021-04-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1722 | 1413 | 1.00 | 4 | 0.38 | 40 | 15.20 | |
| | Tosic, Nebojsa | | | 1813 * | SRB | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Kocalo, Luka | | | 1697 | SRB | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Bajic, Petar | | | 1813 * | SRB | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Bagas, Ana | | | 1565 | SRB | 0.00 | 1 | -0.30 | 40 | -12.00 | | | * 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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