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Individual Calculations October 2023 |
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| Ivanov, Bogidar Total change: 24.80 | |   |
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| Bulgarian Team Championship 2023 | Sunny Beach | BUL | 2023-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1966 | 2147 | 0.00 | 1 | -0.74 | 20 | -14.80 | |
|  Stefanov, Plamen | | | 1966 | BUL | 0.00 | 1 | -0.74 | 20 | -14.80 | |
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) | | | | Primorsko Open A | Primorsko | BUL | 2023-09-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2089 | 2147 | 6.50 | 8 | 1.98 | 20 | 39.60 | |
| | McGill, Derek | | | 1769 | IRL | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Nikolov, Petko | | | 1917 | BUL | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Stoychev, Ognian | | | 2027 | BUL | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Todorov, Ognjan | m | | 2138 | BUL | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Ladopoulos, Dimitrios | f | | 2358 | GRE | 1.00 | 1 | 0.77 | 20 | 15.40 | | | Ilchov, Rosen | | | 2109 | BUL | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Krastev, Goran | | | 2154 | BUL | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Nikolov, Sasho | m | | 2238 | BUL | 1.00 | 1 | 0.62 | 20 | 12.40 | |
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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