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Rapid:
Individual Calculations September 2023 |
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| Gudmundsson, Petur Steinn Total change: -29.20 | |   |
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| TR Rapid 2023 August #3 | Reykjavik | ISL | 2023-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1485 | 1489 | 2.50 | 5 | 0.07 | 20 | 1.40 | |
|  Sverrisson, Egill Ossur | | | 1089 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Rezaei Heris, Hadi | | | 1679 | IRI | 0.50 | 1 | 0.25 | 20 | 5.00 | |  Hafdisarson, Anton Reynir | | | 1490 | ISL | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Eliasson, Jon Steinn | | | 1673 | ISL | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Jimenez, Ricardo | | | 1492 | ISL | 1.00 | 1 | 0.50 | 20 | 10.00 | | | * 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) | | | | TR Rapid 2023 August #5 | Reykjavik | ISL | 2023-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1197 | 1489 | 1.00 | 3 | -1.53 | 20 | -30.60 | |
| | Gudmundsson, Eirikur Orri | | | 1125 | ISL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Vigfusson, Robert Orn | | | 1245 | ISL | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Rutsson, Kjartan Berg | | | 1220 | ISL | 0.00 | 1 | -0.83 | 20 | -16.60 | |
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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