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Rapid:
Individual Calculations October 2023 |
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| Tsenkin, Zdravko Total change: -41.20 | |   |
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| Chess Fest Dobriniste 2023 | Dobriniste | BUL | 2023-09-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1480 | 1461 | 0.00 | 3 | -1.65 | 20 | -33.00 | |
|  Ivanov, Stojan Emilov | | | 2032 | BUL | 0.00 | 1 | -0.02 | 20 | -0.40 | | | Shopova, Denica | | | 1191 | BUL | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Ivanova, Nikol | | | 1218 | BUL | 0.00 | 1 | -0.80 | 20 | -16.00 | |
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) | | | | Yakoruda Open 2023 | Yakoruda | BUL | 2023-09-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1691 | 1461 | 0.50 | 4 | -0.41 | 20 | -8.20 | |
|  Arnaudov, Hamid | | | 1760 | BUL | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Ibrahim, Isliam | | | 1747 | BUL | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Dikov, Dian | | | 1759 | BUL | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Strugov, Stojan | | | 1499 | BUL | 0.50 | 1 | 0.05 | 20 | 1.00 | |
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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