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Individual Calculations April 2008 |
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| Velchev, Hristo Total change: -39.45 | |   |
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| Bulgarian Student Chess Championship | Sofia | BUL | 2007-11-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2162 | 2298 | 4.50 | 7 | -0.19 | 15 | -2.85 | |
|  Pashev, Dimitar | | | 1948 | BUL | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Amerkeshev, Madiyar | | | 2132 | KAZ | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Mladenov, Ilian | | | 2229 | BUL | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Mladenov, Plamen | | | 2270 | BUL | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Filev, Georgi | | | 2298 | BUL | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Stanoev, Atanas | | | 2084 | BUL | 0.50 | 1 | -0.27 | 15 | -4.05 | | | Videnova, Iva | | wf | 2172 | BUL | 0.50 | 1 | -0.17 | 15 | -2.55 | |
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) | | | | 30th Bulgarian open Championship | Plovdiv | BUL | 2008-02-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2107 | 2284 | 3.50 | 8 | -2.11 | 15 | -31.65 | |
| | Angelov, Bojan | | | 1972 | BUL | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Spassov, Liuben | g | | 2427 | BUL | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Petrovski, Igor | | | 1934 | MKD | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Dimitrov, Vladimir | g | | 2456 | BUL | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Chifor, Emanuel-Ovidiu | | | 1984 | ROU | 0.50 | 1 | -0.35 | 15 | -5.25 | | | Kirov, Dimitar | | | 2095 | BUL | 0.00 | 1 | -0.75 | 15 | -11.25 | | | Ivanov, Valentin | | | 1934 | BUL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Dobrev, Nayden | | | 2050 | BUL | 0.00 | 1 | -0.79 | 15 | -11.85 | |
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) | | | | Bulgarian Chess Championship - Semifinal | Plovdiv | BUL | 2008-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2160 | 2284 | 5.50 | 9 | -0.33 | 15 | -4.95 | |
| | Chervenkov, Dinko | | | 1934 | BUL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Petkov, Vladimir | g | | 2434 | BUL | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Pashev, Dimitar | | | 1934 | BUL | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Stanoev, Atanas | | | 2138 | BUL | 0.00 | 1 | -0.70 | 15 | -10.50 | | | Andreev, Krasimir | | | 2089 | BUL | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Kolev, Ivan | | | 2120 | BUL | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Kukov, Velislav | f | | 2359 | BUL | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Asparuhov, Parvan | | | 2123 | BUL | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Panbukchian, Valentin | m | | 2307 | BUL | 1.00 | 1 | 0.53 | 15 | 7.95 | |
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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