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Individual Calculations September 2023 |
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| Petrov, Valeriy Total change: 11.20 | |   |
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| Open Teteven 2023 | Teteven | BUL | 2023-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 1600 | 1.50 | 5 | 1.14 | 20 | 22.80 | |
|  Popov, Ilian | | | 2020 | BUL | 0.50 | 1 | 0.43 | 20 | 8.60 | | | Javadov, Habil | | | 1980 | AZE | 1.00 | 1 | 0.91 | 20 | 18.20 | |  Nenkov, Ljudmil | | | 2098 | BUL | 0.00 | 1 | -0.04 | 20 | -0.80 | | | Ignatov, Georgi | | | 2059 | BUL | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Velev, Josif | | | 1954 | BUL | 0.00 | 1 | -0.11 | 20 | -2.20 | |
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) | | | | 45th International Open - Memorial Georgi Tringov | Plovdiv | BUL | 2023-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1556 | 1600 | 4.00 | 8 | -0.58 | 20 | -11.60 | |
| | Atanasov, Radislav | | | 1965 | BUL | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Ozturk, Necmi | | | 1264 | TUR | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Danov, Valentin | | | 1896 | BUL | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Dobrislavov, Kaloyan | | | 1215 | BUL | 0.00 | 1 | -0.91 | 20 | -18.20 | | | Tsiboukelis, Panagiotis | | | 1317 | GRE | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Vishev, Nikolay | | | 1348 | BUL | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Nikolov, Yavor | | | 2151 | BUL | 0.00 | 1 | -0.03 | 20 | -0.60 | | | Krasteva, Yoana | | | 1291 | BUL | 1.00 | 1 | 0.14 | 20 | 2.80 | |
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) | | |
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