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Individual Calculations September 2011 |
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| Petrov, Martin Total change: -38.25 | |   |
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| 8-th The Hopes of the World 12 years old | Varna, Golden sands resort | BUL | 2011-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1824 | 1933 | 3.00 | 6 | -0.85 | 15 | -12.75 | |
|  Dyakov, Vladislav | | | 1871 | RUS | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Chernukhin, Alexander | | | 2002 | RUS | 0.50 | 1 | 0.10 | 15 | 1.50 | |  Tishova, Svetlana | | | 1675 | RUS | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Shirokov, Alexander | | | 1864 | RUS | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Petrov, Vladimir Sergeev | | | 1793 | BUL | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Poljakov, Fedor | | | 1736 | RUS | 0.50 | 1 | -0.25 | 15 | -3.75 | |
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) | | | | 3rd International chess tournament | Albena | BUL | 2011-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2006 | 1933 | 1.50 | 5 | -0.62 | 15 | -9.30 | |
| | Grigorov, Grigor | g | | 2333 * | BUL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Kiroski, Toni | m | | 2333 * | MKD | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Tsvetanov, David | | | 1694 | BUL | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Bueder, Thomas | | | 2128 | GER | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Craciun, Ilie | | | 1544 | MDA | 1.00 | 1 | 0.09 | 15 | 1.35 | | | * 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) | | | | Team Championship boys U12 | Veliko Tarnovo | BUL | 2011-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1705 | 1933 | 1.00 | 2 | -0.57 | 15 | -8.55 | |
| | Stefanov, Emil | | | 1701 | BUL | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Shentov, Petar-Delian | | | 1708 | BUL | 0.50 | 1 | -0.28 | 15 | -4.20 | |
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) | | | | 26-th open Teteven | Teteven | BUL | 2011-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1947 | 1933 | 2.00 | 5 | -0.51 | 15 | -7.65 | |
| | Kozhuharov, Spas | m | | 2333 * | BUL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Miteva, Silvena | | | 1679 | BUL | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Stefanov, Emil | | | 1701 | BUL | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Ivanov, Borislav | | | 2202 | BUL | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Vasilev, Dimitar P | | | 1818 | BUL | 0.00 | 1 | -0.66 | 15 | -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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