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Individual Calculations April 2009 |
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| Sabotinov, Ventsislav Total change: 0.00 | |   |
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| 31st Bulgarian Open Chmpionship - Georgi Tringov Memorial 01.02.2009-07.02.2009 | Plovdiv | BUL | 2009-02-01 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 2023 | 0 | 0.50 | 4 | 0.00 | 1701 | | 0.00 | |
|  Porjazov, Petar | | | 2268 | BUL | 0.00 | 1 | 0.00 | | 0.00 | | | Georgiev, Steljan | | | 2168 | BUL | 0.50 | 1 | 0.00 | | 0.00 | |  Bogdanovic, Vesna | | | 1975 | SRB | 0.00 | 1 | 0.00 | | 0.00 | | | Harizanova, Marina | | | 1679 | BUL | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | |
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