Icelandic Team Chess Championship 2025-26 - 1st league Round 5-7
SwissStandard
63 players participated in this 7-round tournament, held from 07 Mar 2026 to 08 Mar 2026 in Reykjavik, Iceland. 17 titled players from 6 federations. Top 10 Elo average was 2249, and top seed was Jonah B Willow (🇬🇧 ENG, IM, 2472).
Mikael Bjarki Heidarsson (🇮🇸 ISL, 1971) won with 3.0/7, ahead of Gauti Pall Jonsson (2.5) and Jonah B Willow (2.5). Heidarsson clinched sole first place in the final round.
The biggest upset came in round 6: Kristofer Joel Johannesson (1651) beat Hans Hollander (2116), a +465-point gap.
Location
🇮🇸Reykjavik, Iceland
Dates
07 Mar 2026 → 08 Mar 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Titled players · 17
IM×2
FM×5
CM×6
WGM×1
WIM×1
WCM×2
Federations · 6 represented
🇮🇸Iceland×56
🇳🇱Netherlands×2
🇬🇧England×2
🇸🇪Sweden×1
🇵🇷Puerto Rico×1
🇩🇰Denmark×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsMikael Bjarki Heidarsson led from R7; +0.5-point edge over the runner-up. Title race converged from 123 co-leaders at R4 to 1 by R7.
Co-leaders
123
123
123
123
17
5
1
R7–R7 · LEAD HELD
Mikael Bjarki Heidarsson held the sole lead from R7 through R7 without losing it.
R5–R7 · WIN STREAK
Mikael Bjarki Heidarsson won 3 in a row (R5–R7).
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Heidarsson, Mikael Bjarki | 1971 | ISL | F | F | F | F | +50B | +32B | +28N | 3.0 | 2.0 | 2.0 | 2.00 | 2780 | +68.8 |
| 2 | Jonsson, Gauti Pall | 2121 | ISL | F | F | F | F | =18N | +19B | +31B | 2.5 | 4.0 | 4.0 | 3.25 | 2383 | +16.2 |
| 3 | Willow, Jonah BIM | 2472 | ENG | F | F | F | F | =26N | +62B | +13N | 2.5 | 3.0 | 3.0 | 2.50 | 2438 | +0.5 |
| 4 | Van den Berg, Bram | 2194 | NED | F | F | F | F | +11B | +48N | =27B | 2.5 | 3.0 | 3.0 | 2.50 | 2194 | -0.4 |
| 5 | Ptacnikova, LenkaWGM | 2159 | ISL | F | F | F | F | +27N | =43B | +29N | 2.5 | 2.5 | 2.5 | 2.25 | 2389 | +21.6 |
| 6 | Petersson, Baldur TeodorCM | 2151 | SWE | F | F | F | F | +16N | +60B | =33N | 2.5 | 2.5 | 2.5 | 2.00 | 2320 | +11.8 |
| 7 | Karason, Askell OIM | 2111 | ISL | F | F | F | F | +61N | =17B | +51B | 2.5 | 1.5 | 1.5 | 0.75 | 2281 | +11.8 |
| 8 | Kristinsson, Jon | 2091 | ISL | F | F | F | F | +52N | +49B | =16B | 2.5 | 1.5 | 1.5 | 0.75 | 2126 | +4.4 |
| 9 | Moreby, JamesFM | 2318 | ENG | F | F | F | F | +10B | −22N | +20B | 2.0 | 5.0 | 5.0 | 3.50 | 2223 | -7.0 |
| 10 | Omarsson, AdamCM | 2086 | ISL | F | F | F | F | −9N | +29B | +21B | 2.0 | 4.5 | 4.5 | 2.50 | 2325 | +27.0 |
| 11 | Johannsson, Markus Orri | 1990 | ISL | F | F | F | F | −4N | +23N | +60B | 2.0 | 4.0 | 4.0 | 1.50 | 2169 | +41.2 |
| 12 | Hansen, Soren BechFM | 2230 | DEN | F | F | F | F | +17B | =30N | =26B | 2.0 | 3.5 | 3.5 | 2.50 | 2174 | -3.4 |
| 13 | Thorgeirsson, Jon KristinnFM | 2259 | ISL | F | F | F | F | +34B | +53N | −3B | 2.0 | 3.5 | 3.5 | 1.00 | 2350 | +6.8 |
| 14 | Sigurdsson, Saeberg | 2061 | ISL | F | F | F | F | +55B | =28N | =19B | 2.0 | 2.5 | 2.5 | 1.25 | 2206 | +11.6 |
| 15 | Karlsson, Mikael Johann | 2140 | ISL | F | F | F | F | +48N | F | +18N | 2.0 | 1.5 | 1.5 | 1.50 | 2751 | +12.0 |
| 16 | Thorisson, Benedikt | 2037 | ISL | F | F | F | F | −6B | +36N | =8N | 1.5 | 6.0 | 6.0 | 2.25 | 2092 | +7.2 |
| 17 | Heidarsson, Arnar Milutin | 2072 | ISL | F | F | F | F | −12N | =7N | +43B | 1.5 | 5.0 | 5.0 | 1.75 | 2159 | +4.8 |
| 18 | Kristinsson, Baldur | 2147 | ISL | F | F | F | F | =2B | +61N | −15B | 1.5 | 4.5 | 4.5 | 1.25 | 2090 | -5.2 |
| 19 | Halldorsson, HalldorCM | 2100 | ISL | F | F | F | F | +49B | −2N | =14N | 1.5 | 4.5 | 4.5 | 1.00 | 1976 | -8.6 |
| 20 | Sigurpalsson, RunarFM | 2240 | ISL | F | F | F | F | =30N | +26B | −9N | 1.5 | 4.0 | 4.0 | 1.50 | 2130 | -8.2 |
| 21 | Einarsson, Arnthor | 2115 | ISL | F | F | F | F | =24N | +44B | −10N | 1.5 | 4.0 | 4.0 | 1.25 | 1937 | -12.4 |
| 22 | Leosson, Torfi | 2089 | ISL | F | F | F | F | F | +9B | =35B | 1.5 | 3.0 | 3.0 | 2.50 | 2450 | +18.6 |
| 23 | Haraldsson, Haraldur | 1951 | ISL | F | F | F | F | +56B | −11B | =44B | 1.5 | 2.5 | 2.5 | 0.25 | 1838 | -10.6 |
| 24 | Briem, Gudrun FanneyWCM | 1998 | ISL | F | F | F | F | =21B | +46B | −61N | 1.5 | 2.0 | 2.0 | 1.25 | 2018 | +4.0 |
| 25 | Gudmundsson, Gunnar Erik | 1957 | ISL | F | F | F | F | −31N | =47N | +63B | 1.5 | 1.5 | 1.5 | 0.25 | 1933 | -6.6 |
| 26 | Skarphedinsson, Ingvar Wu | 2099 | ISL | F | F | F | F | =3B | −20N | =12N | 1.0 | 6.0 | 6.0 | 2.25 | 2176 | +4.8 |
| 27 | Omarsson, Josef | 2025 | ISL | F | F | F | F | −5B | =33N | =4N | 1.0 | 6.0 | 6.0 | 1.75 | 2046 | 0.0 |
| 28 | Leosson, Haukur Vidis | 1913 | ISL | F | F | F | F | =46B | =14B | −1B | 1.0 | 5.5 | 5.5 | 1.25 | 1865 | -4.0 |
| 29 | Bergsson, Stefan | 2156 | ISL | F | F | F | F | +44B | −10N | −5B | 1.0 | 5.0 | 5.0 | 0.50 | 1847 | -24.2 |
| 30 | Finnsson, Johann Arnar | 1954 | ISL | F | F | F | F | =20B | =12B | −37B | 1.0 | 4.5 | 4.5 | 1.75 | 2072 | +8.0 |
| 31 | Halldorsson, Bragi | 2064 | ISL | F | F | F | F | +25B | F | −2N | 1.0 | 4.0 | 4.0 | 1.50 | 2085 | +1.4 |
| 32 | Hansson, Gudmundur Freyr | 2027 | ISL | F | F | F | F | −38N | −1N | +58N | 1.0 | 4.0 | 4.0 | 0.00 | 1706 | -23.0 |
| 33 | Thorsteinsson, ArnarCM | 2199 | ISL | F | F | F | F | F | =27B | =6B | 1.0 | 3.5 | 3.5 | 1.75 | 2100 | -5.2 |
| 34 | Hardarson, Jon TraustiCM | 2069 | ISL | F | F | F | F | −13N | F | +36N | 1.0 | 3.0 | 3.0 | 1.00 | 2157 | +4.4 |
| 35 | Hreinsson, Hlidar | 2173 | ISL | F | F | F | F | F | =45B | =22N | 1.0 | 2.0 | 2.0 | 1.00 | 2115 | -3.4 |
| 36 | Oskarsson, Markus Orri | 2072 | ISL | F | F | F | F | +59N | −16B | F | 1.0 | 1.5 | 1.5 | 0.00 | 1798 | -36.8 |
| 37 | Gunnhallsson, Arngrimur | 2119 | ISL | F | F | F | F | −60B | F | +30N | 1.0 | 1.0 | 1.0 | 1.00 | 1946 | -18.0 |
| 38 | Ernisson, Petur Ulfar | 1791 | ISL | F | F | F | F | +32B | F | F | 1.0 | 1.0 | 1.0 | 1.00 | 2801 | +32.8 |
| 39 | Fridgeirsson, Dagur Andri | 2024 | ISL | F | F | F | F | F | F | +45B | 1.0 | 0.5 | 0.5 | 0.50 | 2940 | +13.2 |
| 40 | Arnason, Asgeir T | 2163 | ISL | F | F | F | F | F | F | +54B | 1.0 | 0.0 | 0.0 | 0.00 | 2874 | +15.2 |
| 41 | Johannesson, Kristofer Joel | 1651 | ISL | F | F | F | F | F | +57B | F | 1.0 | 0.0 | 0.0 | 0.00 | 2851 | +18.4 |
| 42 | Kjartansson, Kristofer Halldor | 1565 | ISL | F | F | F | F | F | +54N | F | 1.0 | 0.0 | 0.0 | 0.00 | 2765 | +36.8 |
| 43 | Nieves Kamalakanta, Ivan | 2140 | PUR | F | F | F | F | F | =5N | −17N | 0.5 | 4.0 | 4.0 | 1.25 | 1906 | -12.4 |
| 44 | Acevedo Mendez, LissethWIM | 1846 | ISL | F | F | F | F | −29N | −21N | =23N | 0.5 | 4.0 | 4.0 | 0.75 | 1804 | -3.6 |
| 45 | Bjorgvinsson, Andri Freyr | 2144 | ISL | F | F | F | F | −40B | =35N | −39N | 0.5 | 3.0 | 3.0 | 0.50 | 1847 | -21.6 |
| 46 | Karlsson, Thorleifur | 1987 | ISL | F | F | F | F | =28N | −24N | F | 0.5 | 2.5 | 2.5 | 0.50 | 1750 | -12.4 |
| 47 | Sigurbjornsson, Sigurjon | 1907 | ISL | F | F | F | F | F | =25B | F | 0.5 | 1.5 | 1.5 | 0.75 | 2016 | +3.0 |
| 48 | Magnusdottir, Veronika Steinunn | 1713 | ISL | F | F | F | F | −15B | −4B | F | 0.0 | 4.5 | 4.5 | 0.00 | 1313 | -3.2 |
| 49 | Tran, Anh Hai | 1705 | ISL | F | F | F | F | −19N | −8N | F | 0.0 | 4.0 | 4.0 | 0.00 | 1287 | -7.2 |
| 50 | Baldursson, Hrannar | 2048 | ISL | F | F | F | F | −1N | F | F | 0.0 | 3.0 | 3.0 | 0.00 | 1125 | -13.4 |
| 51 | Hauksson, Hordur Aron | 1965 | ISL | F | F | F | F | F | F | −7N | 0.0 | 2.5 | 2.5 | 0.00 | 1309 | -5.8 |
| 52 | Gudnyjarson, Sigurdur Pall | 1856 | ISL | F | F | F | F | −8B | F | F | 0.0 | 2.5 | 2.5 | 0.00 | 1273 | -8.8 |
| 53 | Mai, Alexander OliverCM | 2171 | ISL | F | F | F | F | F | −13B | F | 0.0 | 2.0 | 2.0 | 0.00 | 1464 | -7.4 |
| 54 | Palsson, Halldor | 1987 | ISL | F | F | F | F | F | −42B | −40N | 0.0 | 2.0 | 2.0 | 0.00 | 1086 | -24.2 |
| 55 | Bergsson, SnorriFM | 2237 | ISL | F | F | F | F | −14N | F | F | 0.0 | 2.0 | 2.0 | 0.00 | 1261 | -14.6 |
| 56 | Eiriksson, Theodor | 1807 | ISL | F | F | F | F | −23N | F | F | 0.0 | 1.5 | 1.5 | 0.00 | 1171 | -9.2 |
| 57 | Hollander, Hans | 2116 | NED | F | F | F | F | F | −41N | F | 0.0 | 1.0 | 1.0 | 0.00 | 916 | -18.4 |
| 58 | Hauksdottir, Hrund | 1820 | ISL | F | F | F | F | F | F | −32B | 0.0 | 1.0 | 1.0 | 0.00 | 1201 | -5.4 |
| 59 | Jonsson, Tristan Fannar | 1696 | ISL | F | F | F | F | −36B | F | F | 0.0 | 1.0 | 1.0 | 0.00 | 1249 | -4.4 |
| 60 | Bjornsson, Eirikur K. | 1952 | ISL | F | F | F | F | F | F | F | 0.0 | 0.0 | 0.0 | 0.00 | 1932 | -1.2 |
| 61 | Gudmundsson, Kristofer Orri | 1971 | ISL | F | F | F | F | F | F | F | 0.0 | 0.0 | 0.0 | 0.00 | 1961 | -1.6 |
| 62 | Hardarson, Petur Palmi | 2131 | ISL | F | F | F | F | F | F | F | 0.0 | 0.0 | 0.0 | 0.00 | 1632 | -3.0 |
| 63 | Helgadottir, IdunnWCM | 1852 | ISL | F | F | F | F | F | F | F | 0.0 | 0.0 | 0.0 | 0.00 | 1216 | -5.2 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Heidarsson, Mikael BjarkiISL+68.83.0 pts · #1
- 2Johannsson, Markus OrriISL+41.22.0 pts · #16
- 3Kjartansson, Kristofer HalldorISL+36.81.0 pts · #43
Top rating losers
- 1Oskarsson, Markus OrriISL-36.81.0 pts · #39
- 2Bergsson, StefanISL-24.21.0 pts · #27
- 3Palsson, HalldorISL-24.20.0 pts · #59
Biggest upsets
- R6+465 Elo gap
- R6+422 Elo gap
- R5+236 Elo gap