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Individual Calculations December 2012 |
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| Petrova, Irina Total change: -11.25 | |   |
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| M.Chigorin Memorial 2012 | St. Petersburg | RUS | 2012-10-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2058 | 2166 | 4.00 | 7 | -0.45 | 15 | -6.75 | |
|  Kiseleva, Arina | | wc | 1939 | RUS | 0.50 | 1 | -0.29 | 15 | -4.35 | |  Boytsov, Alexander | | | 1945 | RUS | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Tseitlin, Mark D | g | | 2390 | ISR | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Puzko, Danila | | | 1957 | RUS | 0.50 | 1 | -0.27 | 15 | -4.05 | | | Kondratiev, Denis | | | 1972 | RUS | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Chernov, Maksim | | | 1895 | RUS | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Donskov, Anatoly | f | | 2305 | RUS | 0.00 | 1 | -0.31 | 15 | -4.65 | |
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) | | | | Polsko - Ukrainskie Akademickie Mistrzostwa w Szachach | Lublin | POL | 2012-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1920 | 2166 | 3.50 | 5 | -0.30 | 15 | -4.50 | |
| | Przezdziecka, Marta | | wg | 2287 | POL | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Gondko, Katarzyna | | | 1775 | POL | 1.00 | 1 | 0.09 | 15 | 1.35 | | | Krasnodebska, Magdalena | | | 2008 | POL | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Wieclawek, Danuta | | | 1766 * | POL | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Szczurek, Natalia | | | 1766 * | POL | 1.00 | 1 | 0.08 | 15 | 1.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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