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Individual Calculations May 2010 |
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| Petrov, Martin Total change: 19.25 | |   |
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| Bulgarian Chess Championship for Juniors 10 years old | Plovdiv | BUL | 2010-03-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1757 | 1839 | 2.00 | 2 | 0.77 | 25 | 19.25 | |
|  Raykov, Stefan | | | 1722 | BUL | 1.00 | 1 | 0.34 | 25 | 8.50 | |  Ismail, Tamer | | | 1792 | BUL | 1.00 | 1 | 0.43 | 25 | 10.75 | |
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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