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Individual Calculations September 2012 |
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| Petrovskis, Olegs Total change: -25.80 | |   |
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| Riga Technical University Open 2012 B tournament | Riga | LAT | 2012-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1695 | 1906 | 2.50 | 5 | -1.32 | 15 | -19.80 | |
|  Batashevs, Arsens | | | 1733 | LAT | 1.00 | 1 | 0.27 | 15 | 4.05 | |  Ivanov, Platon-Jaan | | | 1714 | EST | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Parhomenko, Margarita | | | 1591 | LAT | 0.00 | 1 | -0.86 | 15 | -12.90 | | | Skinkis, Peteris | | | 1766 | LAT | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Stepovojs, Viktors | | | 1671 | LAT | 0.50 | 1 | -0.29 | 15 | -4.35 | |
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) | | | | 25th Panevezys Open 2012 | Panevezys | LTU | 2012-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1984 | 1906 | 2.00 | 6 | -0.40 | 15 | -6.00 | |
| | Marutkins, Olegs | | | 2021 | LAT | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Klabis, Rokas | | | 2126 | LTU | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Andriyanov, Ivan | | | 1960 | RUS | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Annenkov, Kirill | f | | 2256 | RUS | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Zukauskas, Arnas Povilas | | | 1605 | LTU | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Milasevicius, Jonas | | | 1934 | LTU | 0.00 | 1 | -0.46 | 15 | -6.90 | |
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) | | |
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