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Rapid:
Individual Calculations January 2024 |
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| Davidov, Stefan Total change: 23.80 | |   |
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| Christmas City Championship 2023 | Sandanski | BUL | 2023-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1598 | 1703 | 3.00 | 5 | -0.21 | 20 | -4.20 | |
|  Gerenski, Yordan | | | 1556 | BUL | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Petrevski, Plamen | | | 1685 | BUL | 0.00 | 1 | -0.53 | 20 | -10.60 | |  Zhezhev, Georgi | | | 1509 | BUL | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Temelkov, Temelko | | | 1669 | BUL | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Valkov, Georgi | | | 1571 | BUL | 1.00 | 1 | 0.32 | 20 | 6.40 | |
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) | | | | Chess Fest Sandanski 2023 | Sandanski | BUL | 2023-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1801 | 1703 | 4.50 | 8 | 1.16 | 20 | 23.20 | |
| | Filev, Georgi | f | | 2244 | BUL | 0.00 | 1 | -0.03 | 20 | -0.60 | | | Kesarov, Kostadin | | | 1535 | BUL | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Asparuhov, Parvan | | | 1893 | BUL | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Milenkov, Anton | | | 1508 | BUL | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Kamenov, Valentin | | | 1595 | BUL | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Vachev, Vladimir | f | | 2020 | BUL | 0.50 | 1 | 0.37 | 20 | 7.40 | | | Kalajdzhiev, Shibil | | | 1554 | BUL | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Savov, Petar | | | 2056 | 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) | | | | Sandanski Christmas Festival Open-B 2023 | Sandanski | BUL | 2023-12-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1633 | 1703 | 3.00 | 5 | 0.24 | 20 | 4.80 | |
| | Asenov, Asen | | | 1303 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Georgieva, Toni | | | 1889 | BUL | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Grigorov, Stoyan | | | 1788 | BUL | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Popov, Georgi | | | 1858 | BUL | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Lamprinos, Athanasios Angelos | | | 1327 | GRE | 1.00 | 1 | 0.09 | 20 | 1.80 | | | * 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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