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Individual Calculations September 2015 |
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| Orev, Petar Total change: -32.80 | |   |
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| IVIS-plus open | Sofia | BUL | 2015-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1838 | 2096 | 2.50 | 5 | -1.49 | 20 | -29.80 | |
|  Genov, Valentin | | | 1696 * | BUL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Tashev, Aleksandar | | | 1929 | BUL | 0.50 | 1 | -0.22 | 20 | -4.40 | |  Timev, Anzhelo | | | 1756 | BUL | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Metev, Martin | | | 2005 | BUL | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Cholakov, Nikolay | | | 1805 | BUL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | * 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) | | | | 30th International Open Tournament "Teteven" | Teteven | BUL | 2015-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1962 | 2083 | 5.50 | 9 | -0.15 | 20 | -3.00 | |
| | Georgiev, Nikolay | | | 1683 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kamenov, Valentin | | | 1779 | BUL | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Scripcaru, George-Daniel | | | 2267 | ROU | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Popov, Georgi | | | 2131 | BUL | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Koleva, Djuliana | | | 1700 | BUL | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Mitrev, Emil | | | 2143 | BUL | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Kokhnover, Ilya | | | 1905 | RUS | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Galunov, Georgi | | | 1805 | BUL | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Janev, Pavel | | | 2241 | BUL | 0.00 | 1 | -0.29 | 20 | -5.80 | | | * 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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