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Individual Calculations October 2023 |
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| Popzafirov, Danail Total change: 31.68 | |   |
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| Bulgarian Team Chess Championship U14 Boys | Kranevo | BUL | 2023-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1519 | 1886 | 3.50 | 5 | -0.72 | 33 | -23.76 | |
|  Boyadzhieva, Katerina | | | 1486 * | BUL | 1.00 | 1 | 0.08 | 33 | 2.64 | |  Simonski, Atanas | | | 1155 | BUL | 1.00 | 1 | 0.01 | 33 | 0.33 | | | Dimitrov, Martin | | | 1706 | BUL | 0.50 | 1 | -0.24 | 33 | -7.92 | | | Kononenko, Vladimir | | | 1782 | BUL | 0.00 | 1 | -0.64 | 33 | -21.12 | | | Ivanov, Stefan V | | | 1467 | BUL | 1.00 | 1 | 0.07 | 33 | 2.31 | | | * 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 A | Primorsko | BUL | 2023-09-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1915 | 1824 | 5.50 | 9 | 1.91 | 33 | 63.03 | |
| | Nikolov, Sasho | m | | 2238 | BUL | 0.00 | 1 | -0.07 | 33 | -2.31 | | | Stancev, Chirill | | | 1672 | MDA | 1.00 | 1 | 0.30 | 33 | 9.90 | | | Skachkov, Yulian | | | 1424 * | BUL | 1.00 | 1 | 0.08 | 33 | 2.64 | | | Marholev, Dimitar | m | | 2153 | BUL | 0.50 | 1 | 0.38 | 33 | 12.54 | | | Stoychev, Ognian | | | 2027 | BUL | 0.00 | 1 | -0.24 | 33 | -7.92 | | | Banov, Boil | | | 2017 | BUL | 1.00 | 1 | 0.75 | 33 | 24.75 | | | Iachimov, Egor | | | 1612 | MDA | 1.00 | 1 | 0.23 | 33 | 7.59 | | | Bargan, Sergiu | m | | 2214 | MDA | 0.00 | 1 | -0.09 | 33 | -2.97 | | | Senel, Hayri Beyhun | | | 1877 | TUR | 1.00 | 1 | 0.57 | 33 | 18.81 | | | * 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 B | Primorsko | BUL | 2023-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1716 | 1824 | 4.00 | 7 | -0.23 | 33 | -7.59 | |
| | Apostolov, Valentin | | | 1424 * | BUL | 1.00 | 1 | 0.08 | 33 | 2.64 | | | Ivarlac, Vladislav | | | 1413 | MDA | 1.00 | 1 | 0.08 | 33 | 2.64 | | | Stefanov, Plamen | | | 1966 | BUL | 0.50 | 1 | 0.19 | 33 | 6.27 | | | Vardakas, Grigorios | | | 2087 | GRE | 0.00 | 1 | -0.18 | 33 | -5.94 | | | Mladenov, Emil | | | 2013 | BUL | 0.00 | 1 | -0.25 | 33 | -8.25 | | | Chuchukova, Stefani | | | 1532 | BUL | 1.00 | 1 | 0.15 | 33 | 4.95 | | | Chireacova, Ecaterina | | | 1579 | MDA | 0.50 | 1 | -0.30 | 33 | -9.90 | | | * 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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