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Individual Calculations January 2020 |
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| Stefansson, Vignir Vatnar Total change: -18.00 | |   |
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| Selfoss Chess Festival 2019 Open group | Selfoss | ISL | 2019-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2318 | 2338 | 4.50 | 7 | 1.00 | 10 | 10.00 | |
|  Palmarsson, Erlingur Atli | | | 1938 * | ISL | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Kjartansson, Gudmundur | m | | 2454 | ISL | 0.50 | 1 | 0.16 | 10 | 1.60 | | | Kjartansson, David | m | | 2385 | ISL | 0.50 | 1 | 0.07 | 10 | 0.70 | | | Thorfinnsson, Bragi | g | | 2446 | ISL | 1.00 | 1 | 0.65 | 10 | 6.50 | | | Gretarsson, Hjorvar Steinn | g | | 2568 | ISL | 0.00 | 1 | -0.21 | 10 | -2.10 | | | Hardarson, Petur Palmi | | | 1993 | ISL | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Gunnarsson, Jon Viktor | m | | 2439 | ISL | 0.50 | 1 | 0.14 | 10 | 1.40 | | | * 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) | | | | elllobregat open chess grupo A | El prat de llobregat | ESP | 2019-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2185 | 2341 | 3.50 | 9 | -2.80 | 10 | -28.00 | |
| | Bobadilla Viera, Jorge Samuel | m | | 2339 | VEN | 0.50 | 1 | 0.00 | 10 | 0.00 | | | Chennaoui, Yasin | | | 2093 | SUI | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Prraneeth, Vuppala | c | | 2221 | IND | 0.00 | 1 | -0.66 | 10 | -6.60 | | | Randazzo, Adrian | f | | 2230 | ITA | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Yordanov, Lachezar | f | | 2238 | BUL | 0.00 | 1 | -0.64 | 10 | -6.40 | | | Carbonell Sancho, Marc | | | 2142 | ESP | 0.00 | 1 | -0.76 | 10 | -7.60 | | | Vergara Anton, Diego | | | 2227 | ESP | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Tejaswini, Sagar | | wm | 2128 | IND | 0.00 | 1 | -0.77 | 10 | -7.70 | | | Le Pen, Steven | | | 2045 | FRA | 1.00 | 1 | 0.15 | 10 | 1.50 | |
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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