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Individual Calculations January 2009 |
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| Ivanov, Borislav Total change: 46.65 | |   |
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| 58th Team Ch (m) 2-nd Division | Borovets | BUL | 2008-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2165 | 1926 | 2.50 | 5 | 1.46 | 15 | 21.90 | |
|  Janev, Tihomir | | | 2268 | BUL | 0.00 | 1 | -0.12 | 15 | -1.80 | |  Mladenov, Emil | | | 2117 | BUL | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Rusev, Rosen | | | 2076 | BUL | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Stoilov, Atanas | | | 2162 | BUL | 1.00 | 1 | 0.80 | 15 | 12.00 | | | Milchev, Miroslav | | | 2204 | BUL | 1.00 | 1 | 0.83 | 15 | 12.45 | |
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) | | | | IVIS open championship | Sofia | BUL | 2008-10-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 1926 | 2.50 | 5 | 0.57 | 15 | 8.55 | |
| | Kosturska, Yoana | | | 1840 | BUL | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Todorov, Momchil | | | 2246 | BUL | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Vlashki, Nino | | | 2199 | BUL | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Andreev, Dobrotich | | | 2119 | BUL | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Kosturski, Ivan | | | 1727 | BUL | 1.00 | 1 | 0.24 | 15 | 3.60 | |
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) | | | | 16-th Memorial Nikola Baharov | Sofia | BUL | 2008-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2189 | 1926 | 2.00 | 5 | 1.08 | 15 | 16.20 | |
| | Orev, Petar | m | | 2206 | BUL | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Andreev, Dobrotich | | | 2119 | BUL | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Mitrev, Kiril | | | 2102 | BUL | 1.00 | 1 | 0.73 | 15 | 10.95 | | | Velchev, Hristo | f | | 2261 | BUL | 0.50 | 1 | 0.38 | 15 | 5.70 | | | Stanoev, Atanas | | | 2259 | BUL | 0.00 | 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) | | |
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