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Individual Calculations September 2015 |
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| Cholakov, Nikolay Total change: 8.40 | |   |
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| IVIS-plus open | Sofia | BUL | 2015-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1913 | 1805 | 2.50 | 6 | 0.35 | 40 | 14.00 | |
|  Popov, Georgi | | | 2131 | BUL | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Genov, Valentin | | | 1406 | BUL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Stoilov, Aleksandar | | | 1871 | BUL | 1.00 | 1 | 0.59 | 40 | 23.60 | | | Hristov, Hristo Mitov | | | 2074 | BUL | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Vasilev, Rosen | | | 1900 | BUL | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Orev, Petar | m | | 2096 | BUL | 0.00 | 1 | -0.15 | 40 | -6.00 | |
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) | | | | 148th MGU open | Sofia | BUL | 2015-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1848 | 1804 | 0.50 | 4 | -1.28 | 40 | -51.20 | |
| | Metev, Martin | | | 1983 | BUL | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Andreev, Dobrotich | | | 1940 | BUL | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Vasiliadis, Antony | | | 1677 | BUL | 0.00 | 1 | -0.67 | 40 | -26.80 | | | Yordanov, Yordan | | | 1790 | BUL | 0.00 | 1 | -0.52 | 40 | -20.80 | |
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) | | | | 30th International Open Tournament "Teteven" | Teteven | BUL | 2015-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1891 | 1804 | 4.50 | 8 | 1.21 | 40 | 48.40 | |
| | Tzonev, Kirjl | | | 2101 | BUL | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Schmidek, Emil | | | 2191 | GER | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Balimezova, Margarita | | | 1626 | BUL | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Popov, Georgi | | | 2131 | BUL | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Ignatov, Georgi | | | 1637 | BUL | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Janakiev, Ivan | m | | 2082 | BUL | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Sabov, Borislav | | | 1534 | BUL | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Ivanov, Docho | | | 1824 | BUL | 1.00 | 1 | 0.53 | 40 | 21.20 | |
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) | | | | 61st Slavia Open | Sofia | BUL | 2015-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1779 | 1804 | 3.00 | 6 | -0.07 | 40 | -2.80 | |
| | Dyakov, Martin | | | 2003 | BUL | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Mustedjeb, Anher | | | 1554 | BUL | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Kostov, Nikolay | | | 1807 | BUL | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Haleplis, Evtimios | | | 1404 * | BUL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Nikolov, Savko | | | 1906 | BUL | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Bardarov, Georgi | | | 2002 | BUL | 0.50 | 1 | 0.26 | 40 | 10.40 | | | * 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) | | |
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