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Rapid:
Individual Calculations January 2014 |
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| Ziedinsh, Roberts Total change: -26.60 | |   |
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| Riga 89th secondary school III chess championship | Riga | LAT | 2013-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1597 | 1734 | 2.00 | 4 | -0.70 | 20 | -14.00 | |
|  Luscenkovs, Artjoms | | | 1708 | LAT | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Petrovs, Jaroslavs | | | 1676 | LAT | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Gordijevica, Larisa | | | 1554 | LAT | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Vissarionovs, Artjoms | | | 1448 | LAT | 1.00 | 1 | 0.16 | 20 | 3.20 | |
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) | | | | European Rapid Chess Champioship | Warszawa | POL | 2013-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1685 | 1734 | 5.00 | 10 | -0.63 | 20 | -12.60 | |
| | Dziuba, Marcin | g | | 2134 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Szymanska, Emilia | | | 1334 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Pietocha, Pawel | | | 2113 | POL | 0.50 | 1 | 0.41 | 20 | 8.20 | | | Lapaj, Mateusz | | | 2031 | POL | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Waszczuk, Patrycja | | | 1447 | POL | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Szczygielski, Maciej | | | 1334 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Topolan, Pawel | | | 1418 | POL | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Rak, Maciej | | | 1414 | POL | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Orndahl, Mats | | | 2134 * | SWE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Rudzinska, Michalina | | | 1488 | POL | 1.00 | 1 | 0.19 | 20 | 3.80 | | | * 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) | | |
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