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Individual Calculations August 2021 |
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| Kochiev, Ivan Total change: 4.20 | |   |
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| 43rd Open, National individual cup, Tringov Memorial | Plovdiv | BUL | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2035 | 2176 | 5.00 | 9 | -0.80 | 20 | -16.00 | |
|  Kolev, Velio | | | 1776 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Kolev, Georgi | | | 1798 | BUL | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Petrov, Marian | g | | 2470 | BUL | 1.00 | 1 | 0.85 | 20 | 17.00 | | | Dimitrov, Radoslav | g | | 2503 | BUL | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Stoyanov, Tsvetan | f | | 2388 | BUL | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Petrov, Plamen | | | 1827 | BUL | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Neshev, Nikola | | | 1998 | BUL | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Dimov, Nikola | | | 1779 | BUL | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Iliev, Hristiyan | | | 1776 * | BUL | 1.00 | 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) | | | | Bulgarian Individual Chess Championship Boys 20-2021 | Asenovgrad | BUL | 2021-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2047 | 2176 | 3.50 | 4 | 1.01 | 20 | 20.20 | |
| | Varbanov, Vladimir | | | 1817 | BUL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Yordanov, Lachezar | f | | 2325 | BUL | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Boev, Viktor | | | 2270 | BUL | 1.00 | 1 | 0.63 | 20 | 12.60 | | | Vladimirov, Mario | | | 1776 * | BUL | 1.00 | 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) | | |
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