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Individual Calculations September 2013 |
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| Sotirov, Ilia Total change: 6.15 | |   |
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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 |
| 1940 | 1818 | 3.00 | 7 | 0.41 | 15 | 6.15 | |
|  Janchev, Petar | | | 2188 | BUL | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Samu, Sorin-Mihai | | | 2143 | ROU | 0.00 | 1 | -0.13 | 15 | -1.95 | |  Spassov, Borislav | | | 1701 | BUL | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Mladenov, Emil | | | 2111 | BUL | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Stoyanov, Iliyan | | | 1740 | BUL | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Hristov, Boris | | | 1655 | BUL | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Radkov, Bazhen D. | | | 2040 | RUS | 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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