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Blitz:
Individual Calculations September 2023 |
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| Johannesson, Petur Total change: -23.20 | |   |
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| 50 ara afmaelismot Hjalmars Sigurvaldaonar | Reykjavik | ISL | 2023-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1324 | 1081 | 1.00 | 5 | -0.37 | 20 | -7.40 | |
|  Thordarson, Sturla | | | 1709 | ISL | 0.00 | 1 | -0.01 | 20 | -0.20 | |  Sigurvaldason, Hjalmar | | | 1485 | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Gestsson, Gunnar | | | 1012 | ISL | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Jimenez, Ricardo | | | 1292 | ISL | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Olafsson, Runolfur Ingi | | | 1120 | ISL | 0.00 | 1 | -0.45 | 20 | -9.00 | |
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) | | | | Borgarskakmotid 2023 | Reykjavk | ISL | 2023-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1500 | 1081 | 1.00 | 5 | 0.40 | 20 | 8.00 | |
| | Gudmundsson, Petur Steinn | | | 1758 | ISL | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Gudnyjarson, Sigurdur Pall | | | 1552 | ISL | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Hauksson, Helgi | | | 1540 | ISL | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Johannsson, Markus Orri | | | 1516 | ISL | 0.00 | 1 | -0.06 | 20 | -1.20 | | | Kristbergsson, Bjorgvin | | | 1134 | ISL | 1.00 | 1 | 0.57 | 20 | 11.40 | |
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) | | | | Stormot TR og Arbaejarsafns 2023 | Reykjavik | ISL | 2023-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1529 | 1081 | 0.00 | 5 | -0.46 | 20 | -9.20 | |
| | Sigurdsson, Pall | | | 1811 | ISL | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Rognvaldsson, Geir | | | 1670 | ISL | 0.00 | 1 | -0.02 | 20 | -0.40 | | | Sigurdarson, Logi | | | 1441 | ISL | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Jonasson, Hordur | | | 1318 | ISL | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Sigurdsson, Runar | | | 1405 | ISL | 0.00 | 1 | -0.13 | 20 | -2.60 | |
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) | | | | Crazy Culture skaksmotid 2023 | Reykjavik | ISL | 2023-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1554 | 1081 | 0.00 | 7 | -0.73 | 20 | -14.60 | |
| | Jonsson, Logi Runar | | | 1654 | ISL | 0.00 | 1 | -0.02 | 20 | -0.40 | | | Sigurvaldason, Hjalmar | | | 1485 | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Jonasson, Hordur | | | 1318 | ISL | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Jimenez, Ricardo | | | 1292 | ISL | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Birnuson, Geir | | | 1493 | ISL | 0.00 | 1 | -0.07 | 20 | -1.40 | | | Lagerman, Robert | f | | 2228 | ISL | 0.00 | 1 | 0.00 | 20 | 0.00 | | | Sigurdsson, Runar | | | 1405 | ISL | 0.00 | 1 | -0.13 | 20 | -2.60 | |
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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