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Individual Calculations June 2015 |
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| Ivonins, Andis Total change: -16.80 | |   |
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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 |
| 1873 | 1799 | 0.00 | 1 | -0.40 | 20 | -8.00 | |
|  Seglins, Juris | | | 1873 | LAT | 0.00 | 1 | -0.40 | 20 | -8.00 | |
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 |
| 1559 | 1799 | 1.00 | 1 | 0.20 | 20 | 4.00 | |
|  Avotins, Arturs | | | 1559 | LAT | 1.00 | 1 | 0.20 | 20 | 4.00 | |
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 |
| 1815 | 1799 | 1.00 | 2 | 0.04 | 20 | 0.80 | |
| | Grapmanis, Edgars | | | 1750 | LAT | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Liepins, Martins | | | 1880 | LAT | 1.00 | 1 | 0.61 | 20 | 12.20 | |
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 |
| 1953 | 1799 | 0.00 | 2 | -0.68 | 20 | -13.60 | |
| | Stepins, Edgars | | | 2156 | LAT | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Grapmanis, Edgars | | | 1750 | LAT | 0.00 | 1 | -0.57 | 20 | -11.40 | |
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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