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Individual Calculations January 2011 |
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| Kamenov, Valentin Total change: -1.80 | |   |
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| Bansko Grand Chess Open 2010 | Bansko | BUL | 2010-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 1815 | 1.00 | 4 | -0.12 | 15 | -1.80 | |
|  Petrov, Marijan | g | | 2215 * | BUL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Velchev, Hristo | f | | 2215 * | BUL | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Dichev, Dragomir | | | 1614 | BUL | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Grapsa, Georgia | | | 2060 | GRE | 0.00 | 1 | -0.20 | 15 | -3.00 | | | * 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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