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Individual Calculations September 2009 |
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| Nikolov, Mihail Total change: 6.60 | |   |
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| Albena International Open Chess Tournament 2009 | Albena | BUL | 2009-06-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2148 | 1827 | 1.00 | 6 | 0.20 | 15 | 3.00 | |
|  Dimitrov, Pavel | m | | 2177 | BUL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Videnova, Iva | | wf | 2160 | BUL | 0.00 | 1 | -0.12 | 15 | -1.80 | |  Mamaev, Evgeniy | | | 2162 | RUS | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Baciu, Diana | | wf | 2139 | MDA | 0.50 | 1 | 0.36 | 15 | 5.40 | | | Ljangov, Petar | | | 2072 | BUL | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Berezovics, Alexander | f | | 2177 | RUS | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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 for boys U12 | Borovets | BUL | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1877 | 1825 | 1.00 | 1 | 0.57 | 15 | 8.55 | |
| | Hristov, Nikolay Valeriev | | | 1877 | BUL | 1.00 | 1 | 0.57 | 15 | 8.55 | |
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 for boys U16 | Borovets | BUL | 2009-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1889 | 1825 | 0.50 | 2 | -0.33 | 15 | -4.95 | |
| | Todorov, Yavor | | | 1928 | BUL | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Kosturska, Yoana | | | 1849 | BUL | 0.50 | 1 | 0.03 | 15 | 0.45 | |
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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