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Individual Calculations August 2015 |
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| Grabcheva, Natalia Total change: -7.60 | |   |
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| 1st International children chess tournament Elit | Sofia | BUL | 2015-07-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1417 | 1676 | 2.50 | 4 | -0.70 | 40 | -28.00 | |
|  Todorov, Vladimir | | | 1276 * | BUL | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Terziev, Dimo | | | 1596 | BUL | 0.00 | 1 | -0.61 | 40 | -24.40 | |  Toncheva, Nadya | | | 1388 | BUL | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Genov, Valentin | | | 1406 | BUL | 1.00 | 1 | 0.17 | 40 | 6.80 | | | * 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) | | | | 147th MGU open | Sofia | BUL | 2015-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 1676 | 1.50 | 4 | 0.51 | 40 | 20.40 | |
| | Metev, Martin | | | 2005 | BUL | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Andreev, Dobrotich | | | 1914 | BUL | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Stoyanov, Stefan | | | 1804 | BUL | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Kostov, Nikolay | | | 1796 | BUL | 0.50 | 1 | 0.16 | 40 | 6.40 | |
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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