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Individual Calculations October 2020 |
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| Doykov, Stoycho Total change: -26.00 | |   |
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| Bulgarian Team Championship Men - 2020 | Primorsko | BUL | 2020-09-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 1640 | 0.50 | 4 | 0.14 | 20 | 2.80 | |
|  Kozhuharov, Spas | m | | 2040 * | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Georgiev, Biser | | | 2040 * | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Pavlov, Vladimir | | | 1983 | BUL | 0.50 | 1 | 0.38 | 20 | 7.60 | |  Georgiev, Krum | g | | 2040 * | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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) | | | | Primorsko open 2019 B tournament | Primorsko | BUL | 2020-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1663 | 1640 | 4.00 | 7 | 0.74 | 20 | 14.80 | |
| | Ignatov, Georgi | | | 2040 * | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Skachkov, Georgi | | | 1240 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Velev, Josif | | | 1995 | BUL | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Kostadinova, Fabiyana | | | 1240 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Burdarev, Evgeni | | | 1935 | BUL | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Zavivalkin, Alexandr | | | 1342 | BUL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Kolev, Hristian | | | 1847 | BUL | 1.00 | 1 | 0.77 | 20 | 15.40 | | | * 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) | | | | 15th Chess Weekend Tournament | Sofia | BUL | 2020-09-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1477 | 1640 | 2.00 | 6 | -2.18 | 20 | -43.60 | |
| | Yordanov, Ivaylo | | | 1498 | BUL | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Dekeirle, Bastien | | | 1344 | FRA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Stoykov, Jordan | | | 1439 | BUL | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Timev, Aleksandar | | | 1305 | BUL | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Hristov, Krasimir Iv. | | | 1842 | BUL | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Sapareva, Magdalena | | | 1435 | BUL | 0.50 | 1 | -0.26 | 20 | -5.20 | |
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) | | |
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