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Individual Calculations September 2013 |
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| Kostic, Aleksandar Total change: -5.70 | |   |
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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 |
| 1942 | 1988 | 3.50 | 7 | -0.38 | 15 | -5.70 | |
|  Krastev, Krasimir Naidenov | | | 1763 | BUL | 1.00 | 1 | 0.22 | 15 | 3.30 | |  Spassov, Borislav | | | 1701 | BUL | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Banov, Boil | | | 2188 | BUL | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Dodov, Tsvetan | | | 1766 | BUL | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Spiridonov, Nikola | g | | 2244 | BUL | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Zivkovic, Momcilo | | | 2163 | SRB | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Vasilev, Martin | | | 1772 | BUL | 0.50 | 1 | -0.28 | 15 | -4.20 | |
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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