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Individual Calculations June 2015 |
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| Petkevich, Jusefs Total change: -9.40 | |   |
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| Latvian Teams Chess Championship First League,2015 r1-2 | Riga, | LAT | 2015-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2060 | 2365 | 1.00 | 2 | -0.71 | 10 | -7.10 | |
|  Visockis, Janis | | | 2102 | LAT | 0.50 | 1 | -0.32 | 10 | -3.20 | |  Kurpnieks, Vairis | | | 2018 | LAT | 0.50 | 1 | -0.39 | 10 | -3.90 | |
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) | | | | Latvian Teams Chess Championship First League,2015 r5-10 | Riga, | LAT | 2015-04-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2160 | 2365 | 2.00 | 3 | -0.20 | 10 | -2.00 | |
| | Osis, Renars | | | 2170 | LAT | 0.50 | 1 | -0.25 | 10 | -2.50 | | | Jankovskis, Guntis | | | 2346 | LAT | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Ziedins, Roberts | | | 1965 * | LAT | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * 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) | | | | Latvian Teams Chess Championship First League,2015 r11-13 | Riga, | LAT | 2015-05-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2346 | 2365 | 0.50 | 1 | -0.03 | 10 | -0.30 | |
| | Jankovskis, Guntis | | | 2346 | LAT | 0.50 | 1 | -0.03 | 10 | -0.30 | |
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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