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Individual Calculations May 2019 |
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| Hjartarson, Johann Total change: -6.90 | |   |
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| GAMMA Reykjavik Open 2019 | Reykjavik | ISL | 2019-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2336 | 2520 | 6.00 | 9 | -0.38 | 10 | -3.80 | |
|  Laustsen, Lars | | | 2155 | DEN | 1.00 | 1 | 0.10 | 10 | 1.00 | |  Vidic, Teja | | wf | 2120 * | SLO | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Hovhannisyan, Robert | g | | 2630 | ARM | 0.00 | 1 | -0.35 | 10 | -3.50 | | | Stefansson, Vignir Vatnar | f | | 2293 | ISL | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Yoo, Christopher Woojin | m | | 2414 | USA | 0.50 | 1 | -0.14 | 10 | -1.40 | | | Chittka, Julius | | | 2268 | GER | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Abbas, Daniel | f | | 2253 | ENG | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Salles, Louis | c | | 2221 | FRA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Firouzja, Alireza | g | | 2669 | IRI | 0.00 | 1 | -0.30 | 10 | -3.00 | | | * 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) | | | | 2019 World Senior Team Chess Championships open 50plus | Rhodes | GRE | 2019-04-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2431 | 2520 | 4.00 | 7 | -0.31 | 10 | -3.10 | |
| | Garcia Palermo, Carlos | g | | 2407 | ITA | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Arkell, Keith C | g | | 2467 | ENG | 0.00 | 1 | -0.57 | 10 | -5.70 | | | Yrjola, Jouni | g | | 2327 | FIN | 0.50 | 1 | -0.25 | 10 | -2.50 | | | Novikov, Igor | g | | 2563 | USA | 1.00 | 1 | 0.56 | 10 | 5.60 | | | Minasian, Artashes | g | | 2472 | ARM | 1.00 | 1 | 0.43 | 10 | 4.30 | | | Grabuzova, Tatiana | | wg | 2323 | RUS | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Manor, Ilan | g | | 2461 | ISR | 0.00 | 1 | -0.58 | 10 | -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) | | |
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