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Individual Calculations January 2023 |
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| Ratkovic, Miodrag Total change: -45.00 | |   |
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| Uljma open 2022 | Uljma | SRB | 2022-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2084 | 1836 | 0.00 | 1 | -0.19 | 20 | -3.80 | |
|  Ratkovic, Petar | | | 2084 | SRB | 0.00 | 1 | -0.19 | 20 | -3.80 | |
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) | | | | Autumn Sheveningen Tournament 2 2022 | Mramorak | SRB | 2022-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1725 | 1836 | 3.50 | 9 | -2.06 | 20 | -41.20 | |
| | Zhang, Yichen | | | 1436 * | ENG | 0.50 | 1 | -0.42 | 20 | -8.40 | |  Kostic, Milutin B | f | | 1994 | SRB | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Jurisic, Iskra | | | 1822 | SRB | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Zhang, Brian | | | 1697 | CAN | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Zhang, Michelle | | | 1694 | CAN | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Zhang, Yichen | | | 1366 | ENG | 0.50 | 1 | -0.45 | 20 | -9.00 | | | Kostic, Milutin B | f | | 1994 | SRB | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Jurisic, Iskra | | | 1822 | SRB | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Zhang, Brian | | | 1697 | CAN | 0.00 | 1 | -0.69 | 20 | -13.80 | | | * 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) | | |
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