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Individual Calculations July 2021 |
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| Petrov, Valeri Total change: -21.60 | |   |
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| Ropotamo Cup 2021 | Primorsko | BUL | 2021-06-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1859 | 1934 | 2.50 | 6 | -1.08 | 20 | -21.60 | |
|  Huhndorf, Arnold | f | | 2222 | GER | 0.00 | 1 | -0.16 | 20 | -3.20 | |  Kellner, Nikolaus | | | 1674 | AUT | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Yordanov, Nikolay Plamenov | f | | 2242 | BUL | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Zhelev, Nikolay | | | 1687 | BUL | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Simeonov, Svetoslav | | | 1689 | BUL | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Petrov, Valeriy | | | 1639 | BUL | 0.50 | 1 | -0.35 | 20 | -7.00 | |
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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