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Individual Calculations June 2015 |
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| Kurpnieks, Vairis Total change: 12.40 | |   |
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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 |
| 2107 | 2018 | 0.50 | 2 | -0.33 | 20 | -6.60 | |
|  Sinauridze, Simons | | | 1849 | LAT | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Petkevich, Jusefs | g | | 2365 | LAT | 0.50 | 1 | 0.39 | 20 | 7.80 | |
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) | | | | Latvian Teams Chess Championship First League,2015 r3-4 | Riga, | LAT | 2015-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2346 | 2018 | 0.00 | 1 | -0.13 | 20 | -2.60 | |
| | Jankovskis, Guntis | | | 2346 | LAT | 0.00 | 1 | -0.13 | 20 | -2.60 | |
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) | | | | Latvian Teams Chess Championship First League,2015 r5-10 | Riga, | LAT | 2015-04-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2047 | 2018 | 3.50 | 5 | 1.21 | 20 | 24.20 | |
|  Visockis, Janis | | | 2102 | LAT | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Beks, Edmunds | | | 2043 | LAT | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Osis, Renars | | | 2170 | LAT | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Kolesnikovs, Ivans | | | 2065 | LAT | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Polyakov, Fedor | | | 1857 | LAT | 1.00 | 1 | 0.29 | 20 | 5.80 | |
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) | | | | Latvian Teams Chess Championship First League,2015 r11-13 | Riga, | LAT | 2015-05-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2346 | 2018 | 0.00 | 1 | -0.13 | 20 | -2.60 | |
| | Jankovskis, Guntis | | | 2346 | LAT | 0.00 | 1 | -0.13 | 20 | -2.60 | |
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) | | |
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