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Individual Calculations April 2008 |
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| Petrovski, Igor Total change: -18.00 | |   |
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| Delfin 2008 | Belgrade | SRB | 2008-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1994 | 1823 | 0.00 | 4 | -1.17 | 25 | -29.25 | |
|  Sarenac, David | | | 2173 | SRB | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Indjic, Stefan | | | 2042 | SRB | 0.00 | 1 | -0.22 | 25 | -5.50 | |  Markovic, Nikola | | | 1917 | SRB | 0.00 | 1 | -0.37 | 25 | -9.25 | | | Vucinic, Gojko | | | 1845 | SRB | 0.00 | 1 | -0.47 | 25 | -11.75 | |
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 |
| 2173 | 1823 | 1.00 | 5 | 0.45 | 25 | 11.25 | |
| | Grigorov, Grigor | m | | 2173 | BUL | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Matovic, Petar | f | | 2173 | SRB | 1.00 | 1 | 0.89 | 25 | 22.25 | | | Velchev, Hristo | f | | 2173 | BUL | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Nesic, Nebojsa | | | 2171 | SRB | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Posedaru, Bogdan | | | 2173 | ROU | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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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