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Rapid:
Individual Calculations April 2023 |
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| Pettersson, Michael Total change: 32.60 | |   |
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| TR Rapid 2023 March #1 | Reykjavik | ISL | 2023-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1459 | 1283 | 1.50 | 3 | 0.47 | 20 | 9.40 | |
|  Halldorsson, Kristjan | | | 1799 | ISL | 0.00 | 1 | -0.04 | 20 | -0.80 | | | Sigurdsson, Kristjan Theodor | | | 1056 | ISL | 1.00 | 1 | 0.21 | 20 | 4.20 | |  Hauksson, Helgi | | | 1523 | ISL | 0.50 | 1 | 0.30 | 20 | 6.00 | |
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 March #2 | Reykjavik | ISL | 2023-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1532 | 1283 | 1.50 | 4 | 0.65 | 20 | 13.00 | |
| | Sigurjonsson, Brynjolfur | | | 1569 | ISL | 1.00 | 1 | 0.84 | 20 | 16.80 | | | Petursson, Steingrimur | | | 1346 | ISL | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Hjaltason, Elvar Orn | | | 1690 | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Hauksson, Helgi | | | 1523 | ISL | 0.00 | 1 | -0.20 | 20 | -4.00 | |
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 March #3 | Reykjavik | ISL | 2023-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1584 | 1283 | 1.00 | 2 | 0.51 | 20 | 10.20 | |
| | Gudmundsson, Kristofer Orri | | | 1863 | ISL | 0.00 | 1 | -0.02 | 20 | -0.40 | | | Karpelenia, Artur | | | 1304 | ISL | 1.00 | 1 | 0.53 | 20 | 10.60 | |
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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