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Rapid:
Individual Calculations January 2017 |
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| Petrovska, Arina Total change: 63.20 | |   |
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| Latvian Chess Club Cup-2016 | Riga | LAT | 2016-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1799 | 1578 | 2.50 | 5 | 1.35 | 20 | 27.00 | |
|  Golsta, Madara | | | 1712 | LAT | 0.50 | 1 | 0.18 | 20 | 3.60 | |  Pucena, Mara | | | 1894 | LAT | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Krumina, Linda | | | 1859 | LAT | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Vainovska, Valentina | | | 1655 | LAT | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Vasiljeva, Sofija | | | 1876 | LAT | 1.00 | 1 | 0.85 | 20 | 17.00 | |
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) | | | | J.Vilerta & A.Grandberga memorial 2016 | Kuldiga | LAT | 2016-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1721 | 1578 | 4.50 | 8 | 1.81 | 20 | 36.20 | |
| | Gudovskis, Konstantins | | | 1978 * | LAT | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Sprogis, Kriss | | | 1178 * | LAT | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Krumina, Linda | | | 1859 | LAT | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Bude, Toms | | | 1446 | LAT | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Ozols, Andris | | | 1654 | LAT | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Steinbergs, Viktors | | | 1834 | LAT | 1.00 | 1 | 0.81 | 20 | 16.20 | | | Melderis, Uldis | | | 1978 * | LAT | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Maklakova, Nellija | | | 1837 | LAT | 0.00 | 1 | -0.18 | 20 | -3.60 | | | * 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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