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Individual Calculations April 2015 |
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| Petrovs, Jaroslavs Total change: 37.20 | |   |
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| IV GM A.Shirov Winter Cup A | Jurmala | LAT | 2015-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1794 | 1621 | 3.50 | 6 | 1.76 | 40 | 70.40 | |
|  Lupolov, Boris | | | 1775 | RUS | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Bekasovs, Rihards | | | 1840 | LAT | 0.00 | 1 | -0.22 | 40 | -8.80 | |  Lazaravicius, Aras Jonas | | | 1823 | LTU | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Markova, Alina | | | 1661 | RUS | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Brikers, Aleksandrs | | | 1643 | LAT | 1.00 | 1 | 0.53 | 40 | 21.20 | | | German, Nikita | | | 2021 * | RUS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | Latvian Youth Chess Championship B-14 2015 | Riga | LAT | 2015-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1780 | 1621 | 1.00 | 6 | -0.83 | 40 | -33.20 | |
| | Lindermans, Pavels | | | 1622 | LAT | 0.50 | 1 | 0.00 | 40 | 0.00 | | | Bekasovs, Rihards | | | 1840 | LAT | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Batashevs, Arsens | | | 1898 | LAT | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Antonivs, Vladislavs | | | 1756 | LAT | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Semjonovs, Ilja | | | 1920 | LAT | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Brikers, Aleksandrs | | | 1643 | LAT | 0.00 | 1 | -0.47 | 40 | -18.80 | |
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) | | |
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