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Blitz:
Individual Calculations September 2021 |
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| Jonsson, Gauti Pall Total change: 11.60 | |   |
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| Arbaejarsafnsmotid 2021 | Reykjavik | ISL | 2021-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1679 | 2018 | 3.50 | 6 | -1.24 | 20 | -24.80 | |
|  Kristbergsson, Bjorgvin | | | 1283 | ISL | 1.00 | 1 | 0.01 | 20 | 0.20 | |  Kjartansson, Gudmundur | g | | 2370 | ISL | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Omarsson, Adam | | | 1570 | ISL | 0.00 | 1 | -0.94 | 20 | -18.80 | | | Sigurthorsson, Kristinn J | | | 1777 | ISL | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Skarphedinsson, Ingvar Wu | | | 1477 | ISL | 0.50 | 1 | -0.47 | 20 | -9.40 | | | Gunnarsson, Helgi Petur | | | 1594 | ISL | 1.00 | 1 | 0.07 | 20 | 1.40 | |
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) | | | | Borgarskakmotid 2021 | Reykjavik | ISL | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 2018 | 3.50 | 6 | 0.81 | 20 | 16.20 | |
| | Sigurvaldason, Hjalmar | | | 1402 | ISL | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Gunnarsson, Arnar | m | | 2435 | ISL | 0.00 | 1 | -0.07 | 20 | -1.40 | | | Hauksson, Helgi | | | 1554 | ISL | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Johannsson, Orn Leo | | | 2266 | ISL | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Gretarsson, Andri A | f | | 2095 | ISL | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Kjartansson, Gudmundur | g | | 2370 | ISL | 0.00 | 1 | -0.11 | 20 | -2.20 | |
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) | | | | Crazy Culture skakmot Vinaskakfelagsins 2021 | Reykjavik | ISL | 2021-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1885 | 2018 | 4.50 | 6 | 1.01 | 20 | 20.20 | |
| | Jonasson, Hordur | | | 1283 | ISL | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Thorsson, Olafur | | | 2218 | ISL | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Thorisson, Benedikt | | | 1644 | ISL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Sigurdsson, Arnljotur | | | 1908 | ISL | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Olafsson, Thorvardur | | | 2054 | ISL | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Lagerman, Robert | f | | 2201 | ISL | 0.50 | 1 | 0.24 | 20 | 4.80 | |
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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