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Individual Calculations October 2021 |
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| Dimitrov, Ivan Total change: 6.20 | |   |
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| Primorsko Open B 2021 | Primorsko | BUL | 2021-09-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1685 | 1636 | 2.50 | 5 | 0.31 | 20 | 6.20 | |
|  Petkov, Emil | | | 2036 * | BUL | 0.50 | 1 | 0.42 | 20 | 8.40 | |  Bratimirova, Dimitrinka | | | 1775 | BUL | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Kolev, Hristian | | | 1841 | BUL | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Vardaka, Sofia | | | 1237 | GRE | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Kolev, Velio | | | 1537 | BUL | 1.00 | 1 | 0.36 | 20 | 7.20 | | | * 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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