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Individual Calculations April 2009 |
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| Kolev, Vasil Total change: -24.75 | |   |
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| 1-st Memorial GM Nino Kirov | Sofia | BUL | 2009-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2285 | 2008 | 0.50 | 5 | -0.37 | 15 | -5.55 | |
|  Petkov, Vladimir | g | | 2358 | BUL | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Orev, Petar | m | | 2231 | BUL | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Velchev, Hristo | f | | 2285 | BUL | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Milchev, Nikolay | f | | 2358 | BUL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Ilchov, Rosen | | | 2194 | BUL | 0.00 | 1 | -0.26 | 15 | -3.90 | |
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) | | | | 73rd Bulgarian Men Championship Semi-final | Plovdiv | BUL | 2009-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2103 | 2008 | 3.00 | 8 | -0.13 | 15 | -1.95 | |
| | Arnaudov, G. Petar | f | | 2347 | BUL | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Milchev, Nikolay | m | | 2358 | BUL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Hristov, Nikolay Valeriev | | | 1845 | BUL | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Stankovski, Marin | | | 1746 | BUL | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Vlashki, Nino | | | 2200 | BUL | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Kolev T., Atanas | | | 2004 | BUL | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Yordanov, Nikolay | | | 2225 | BUL | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Ljangov, Petar | | | 2095 | BUL | 0.50 | 1 | 0.12 | 15 | 1.80 | |
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) | | | | 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 |
| 2108 | 2008 | 0.00 | 3 | -1.15 | 15 | -17.25 | |
| | Filev, Georgi | f | | 2358 | BUL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Bonev, Todor | | | 2246 | BUL | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Gradevska, Desislava | | | 1721 | BUL | 0.00 | 1 | -0.84 | 15 | -12.60 | |
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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