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Individual Calculations September 2012 |
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| Tsvetanov, David Total change: -3.60 | |   |
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| National team championship 2012 boys U16 | Veliko Tarnovo | BUL | 2012-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1745 | 1703 | 1.00 | 4 | -0.77 | 15 | -11.55 | |
|  Tsekov, Georgi | | | 1705 | BUL | 0.00 | 1 | -0.50 | 15 | -7.50 | |  Yordanov, Georgi | | | 1728 | BUL | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Atanasov, Viktor Atanasov | | | 1772 | BUL | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Spasova, Tsvetelina | | | 1775 | BUL | 0.00 | 1 | -0.40 | 15 | -6.00 | |
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) | | | | III Balkan amateur chess festival Belogradchik 2012 | Belogradchik | BUL | 2012-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1911 | 1703 | 2.50 | 8 | 0.53 | 15 | 7.95 | |
| | Danov, Lyubomir | | | 2073 | BUL | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Vutev, Yordan | | | 1956 | BUL | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Hristov, Nikolay Valeriev | | | 1925 | BUL | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Parvanov, Mitko | | | 1961 | BUL | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Rafailov, Radostin | | | 1888 | BUL | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Koleva, Aleksandrina | | | 1656 | BUL | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Ivic, Matija | | | 1901 | SRB | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Danov, Radi | | | 1931 | BUL | 0.00 | 1 | -0.21 | 15 | -3.15 | |
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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