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Individual Calculations April 2015 |
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| Johannsson, Orn Leo Total change: 18.20 | |   |
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| Reykjavik Open 2015 | Reykjavik | ISL | 2015-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2234 | 2107 | 4.50 | 9 | 1.43 | 20 | 28.60 | |
|  Foisor, Cristina-Adela | m | wg | 2394 | ROU | 0.50 | 1 | 0.34 | 20 | 6.80 | |  Sarkar, Justin | m | | 2374 | USA | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Nguyen, Thai Dai Van | f | | 2338 | CZE | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Arroyo Figuero, Fernando | | | 1835 | ESP | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Ragnarsson, Dagur | f | | 2347 | ISL | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Cummings, David H. | m | | 2345 | CAN | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Simpson, Ben | | | 1843 | ENG | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Mamedjarova, Zeinab | | wg | 2303 | AZE | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Haug, Johannes | f | | 2329 | NOR | 0.00 | 1 | -0.22 | 20 | -4.40 | |
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) | | | | Icelandic Team Championship 2014-15 1st division Round 6-9 | Reykjavik | ISL | 2015-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2436 | 2107 | 0.00 | 4 | -0.52 | 20 | -10.40 | |
| | Arngrimsson, Dagur | m | | 2366 | ISL | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Cornette, Matthieu | g | | 2507 * | FRA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Kjartansson, David | f | | 2364 | ISL | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Gretarsson, Hjorvar Steinn | g | | 2507 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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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