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Individual Calculations September 2013 |
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| Petruli, Igor Total change: 40.80 | |   |
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| IV Balkan amateur chess festival Belogradchik 2013 | Belogradchik | BUL | 2013-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1944 | 1623 | 4.00 | 9 | 2.72 | 15 | 40.80 | |
|  Bednikova, Stefi | | wm | 2023 * | BUL | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Korman, Roman | | | 1875 | UKR | 1.00 | 1 | 0.81 | 15 | 12.15 | | | Ljangov, Petar | | | 2023 * | BUL | 0.50 | 1 | 0.42 | 15 | 6.30 | | | Vagner, Grigorij | f | | 2023 * | RUS | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Borisov, Kiril | | | 1844 | BUL | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Kamenov, Valentin | | | 1863 | BUL | 1.00 | 1 | 0.80 | 15 | 12.00 | | | Nevednichy, Boris M | m | | 2023 * | MDA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Simeonov, Svetoslav | | | 1805 | BUL | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Scripcaru, George-Daniel | | | 2014 | ROU | 0.00 | 1 | -0.09 | 15 | -1.35 | | | * 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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