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Individual Calculations October 2020 |
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| Kolev, Nikola Total change: -7.80 | |   |
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| Primorsko open 2019 A tournament | Primorsko | BUL | 2020-09-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1873 | 1870 | 4.00 | 8 | 0.19 | 20 | 3.80 | |
|  Georgiev, Krum | g | | 2270 * | BUL | 0.50 | 1 | 0.42 | 20 | 8.40 | |  Kostov, Deyan Samuil | c | | 2140 | BUL | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Smolin, Sergey | m | | 2123 | UKR | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Todorov, Kaloyan | | | 2031 | BUL | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Stoyanov, Yordan | | | 1470 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kostadinova, Fabiyana | | | 1470 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Atanasov, Ivaylo | | | 1484 | BUL | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Todev, Simeon | c | | 1993 | BUL | 0.00 | 1 | -0.33 | 20 | -6.60 | | | * 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) | | | | 15th Chess Weekend Tournament | Sofia | BUL | 2020-09-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1667 | 1870 | 3.00 | 5 | -0.58 | 20 | -11.60 | |
| | Rangelov, Kristiyan | | | 1470 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ivanov, Oleg | | | 1473 | BUL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Pavlov, Vladimir | | | 1983 | BUL | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Hristov, Boyko | | | 1568 | BUL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Metev, Martin | | | 1842 | BUL | 0.50 | 1 | -0.04 | 20 | -0.80 | | | * 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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