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Individual Calculations April 2009 |
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| Todorov, Petar G. Total change: -12.50 | |   |
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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 | K | K*chg | Game |
| 2069 | 1739 | 0.00 | 4 | -0.50 | 25 | -12.50 | |
|  Asparuhov, Parvan | | | 2089 | BUL | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Stoyanov, Stoyan H. | | | 2089 | BUL | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Dimitrov, Marin | | | 2075 | BUL | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Kozarev, Petar | | | 2024 | BUL | 0.00 | 1 | -0.16 | 25 | -4.00 | |
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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