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Individual Calculations October 2015 |
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| Petrova, Maria Total change: 36.00 | |   |
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| National team championship 2015 girls U12 | Golden sands | BUL | 2015-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1336 | 1382 | 2.00 | 3 | 0.39 | 40 | 15.60 | |
|  Toncheva, Nadya | | | 1590 | BUL | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Mineva, Rada | | | 1392 | BUL | 1.00 | 1 | 0.51 | 40 | 20.40 | |  Yanusheva, Valeriya | | | 1026 | BUL | 0.50 | 1 | -0.39 | 40 | -15.60 | |
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) | | | | 63rd Slavia open | Sofia | BUL | 2015-09-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1730 | 1382 | 1.00 | 4 | 0.51 | 40 | 20.40 | |
| | Todorov, Petar G. | | | 1782 * | BUL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Vasilev, Rosen | | | 1782 * | BUL | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Ivanov, Svetlen | c | | 1573 | BUL | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Banov, Boil | | | 1782 * | BUL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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