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Individual Calculations January 2011 |
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| Petrov, Vladimir Sergeev Total change: 7.80 | |   |
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| Team Ch boys U12 | Borovets | BUL | 2010-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1766 | 1781 | 2.50 | 3 | 0.93 | 15 | 13.95 | |
|  Stefanov, Emil | | | 1695 | BUL | 1.00 | 1 | 0.38 | 15 | 5.70 | |  Dochev, Delyan | | | 1689 | BUL | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Hristov, Nikolay Valeriev | | | 1913 | BUL | 0.50 | 1 | 0.18 | 15 | 2.70 | |
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) | | | | Bansko Grand Chess Open 2010 | Bansko | BUL | 2010-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2030 | 1781 | 1.00 | 6 | -0.41 | 15 | -6.15 | |
| | Nabaty, Tamir | m | | 2181 * | ISR | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Kanakaris, Georgios | | | 2181 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Zygouris, Hristos | | | 2181 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Najdenova, Jana | | | 1466 | BUL | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Kolev, Vasil | | | 1991 | BUL | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Tomov, Georgi | | | 2181 * | BUL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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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