Vignir Vatnar open 2026

SwissBlitz

58 players participated in this 9-round tournament, held on 31 Mar 2026 in Reykjavik, Iceland. 16 titled players from 8 federations. Top 10 Elo average was 2482, and top seed was Aryan Tari (🇳🇴 NOR, GM, 2607).

M. Amin Tabatabaei (🇮🇷 IRI, GM, 2563) won with 8.5/9, ahead of Aryan Tari (7.0) and Max Warmerdam (7.0). Tabatabaei won solo starting round 5.

The biggest upset came in round 4: Jakob Alexander Petersen (1778) beat Benedikt Briem (CM, 2234), a +456-point gap.

Location

🇮🇸Reykjavik, Iceland

Dates

31 Mar 2026

Time control

Blitz: 3 minutes for game with 2 seconds increment from move 1

System

Swiss · 9 rounds

Top seed

🇳🇴GMAryan Tari2607

Avg top 10

2,482

Participants

Titled players · 16

GM×7

IM×5

FM×1

CM×3

Federations · 8 represented

🇮🇸Iceland×50

🇳🇱Netherlands×1

🇮🇳India×1

🇮🇷Iran×1

🇺🇦Ukraine×1

🇳🇴Norway×1

🇬🇧England×1

🇸🇮Slovenia×1

Top 3

🥇
GMM. Amin Tabatabaei
🇮🇷IRI·2563
8.5pts·2844perf+23.3
🥈
GMAryan Tari
🇳🇴NOR·2607
7.0pts·2643perf+4.7
🥉
GMMax Warmerdam
🇳🇱NED·2557
7.0pts·2594perf+6.5

How it unfolded

Top 6 · 9 rounds

GM M. Amin Tabatabaei led from R5; +1.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders

Tabatabaei8.5Warmerdam7Tari7Stefansson6.5Thorfinnsson6.5Johannesson6.5

R5–R9 · LEAD HELD

GM M. Amin Tabatabaei never relinquished the lead after R5; final gap +1.5 over the runner-up.

R6 · HEAD-TO-HEAD · WINNER VS 2ND

GM M. Amin Tabatabaei beat GM Max Warmerdam (Black).

WIN STREAKS · 3 top finishers

GM M. Amin Tabatabaei 7 wins (R1–R7)GM Max Warmerdam 3 wins (R1–R3)GM Aryan Tari 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1GMM. Amin Tabatabaei	*	1	½	1
2GMMax Warmerdam	0	*	½	1
3GMAryan Tari	½	½	*	0
4GMVignir Vatnar Stefansson	0	0	1	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Tabatabaei, M. AminGM	2563	IRI	+42B	+16N	+9B	+5N	+4B	+3N	+10N	=2B	+13N	8.5	50.0	53.0	49.50	2844	+23.3
2	Tari, AryanGM	2607	NOR	+24B	+17N	+14B	=3N	+5B	−4N	+11B	=1N	+10N	7.0	51.0	56.0	41.75	2643	+4.7
3	Warmerdam, MaxGM	2557	NED	+44N	+19B	+15N	=2B	+8N	−1B	=29N	+7B	+4B	7.0	49.0	52.0	37.75	2594	+6.5
4	Stefansson, Vignir VatnarGM	2595	ISL	+33N	+20B	+13N	+8B	−1N	+2B	+7N	=5B	−3N	6.5	51.5	55.5	36.75	2571	+0.2
5	Thorfinnsson, BjornIM	2400	ISL	+32N	+21B	+29N	−1B	−2N	+23B	+18N	=4N	+14B	6.5	47.0	51.0	32.25	2441	+8.5
6	Johannesson, OliverFM	2218	ISL	+53N	+54B	−7N	+30B	=13N	=29B	=8N	+16B	+15N	6.5	39.5	41.0	27.00	2291	+20.2
7	Williams, Simon KGM	2389	ENG	+36B	+26N	+6B	−11N	+17B	+9N	−4B	−3N	+25B	6.0	47.0	51.0	31.50	2363	+0.4
8	Heimisson, Hilmir FreyrIM	2432	ISL	+38B	+43N	+12B	−4N	−3B	+19N	=6B	=11N	+17B	6.0	46.0	49.0	29.25	2372	-3.0
9	Domalchuk-Jonasson, AleksandrIM	2282	ISL	+27N	+22B	−1N	+21B	+20N	−7B	+32N	−10B	+23N	6.0	45.5	49.5	29.00	2229	-2.2
10	Gupta, AbhijeetGM	2528	IND	F	+46B	+18N	+19B	+15N	+14N	−1B	+9N	−2B	6.0	45.5	45.5	30.00	2497	+0.2
11	Gretarsson, Helgi AssGM	2401	ISL	F	+45N	+24B	+7B	=29N	+13B	−2N	=8B	+18N	6.0	42.0	42.0	29.75	2455	+7.5
12	Briem, BenediktCM	2234	ISL	+46N	+50B	−8N	−22B	+33N	+21B	−15N	+32B	+20N	6.0	37.5	39.5	23.00	2083	-21.8
13	Jonsson, Gauti Pall	2310	ISL	+34B	+31N	−4B	+16N	=6B	−11N	+30B	+29N	−1B	5.5	46.5	50.5	26.25	2269	-1.8
14	Ragnarsson, DagurIM	2350	ISL	+49N	+28B	−2N	+23B	+18N	−10B	+20N	=15B	−5N	5.5	45.0	48.0	25.75	2274	-4.7
15	Unuk, LauraIM	2241	SLO	+45B	+25N	−3B	+26N	−10B	+43N	+12B	=14N	−6B	5.5	44.0	47.0	24.75	2229	+3.8
16	Davidsson, Oskar Vikingur	1965	ISL	+51N	−1B	+32N	−13B	+22N	=30B	+17B	−6N	+29B	5.5	43.5	45.5	22.75	2078	+18.5
17	Mai, Alexander OliverCM	2123	ISL	+47N	−2B	+44N	+27B	−7N	+22B	−16N	+33B	−8N	5.0	41.5	44.5	20.00	2041	-13.4
18	Hardarson, Jon TraustiCM	2129	ISL	+55B	+41N	−10B	+37N	−14B	+25N	−5B	+21N	−11B	5.0	41.5	43.0	19.00	2102	-3.2
19	Nedin, Danylo	1963	UKR	+40B	−3N	+36B	−10N	+42B	−8B	+24N	−25N	+33B	5.0	41.0	44.0	20.00	1940	-8.0
20	Karason, Halldor Ingi	1988	ISL	+37B	−4N	+42B	+50N	−9B	+24N	−14B	+26N	−12B	5.0	41.0	43.0	19.00	2012	+4.0
21	Thorsteinsson, Thorsteinn Jakob F	1910	ISL	+48B	−5N	+34B	−9N	+35B	−12N	+38B	−18B	+32N	5.0	39.5	42.5	19.00	1910	-0.6
22	Petersen, Jakob Alexander	1778	ISL	+56B	−9N	+41B	+12N	−16B	−17N	+34B	−30N	+36B	5.0	38.5	39.5	18.50	1853	+7.4
23	Olafsson, Olafur Orn	1912	ISL	−35B	+39N	+49B	−14N	+34B	−5N	+42B	+36N	−9B	5.0	37.0	40.0	18.00	1859	-10.6
24	Njardarson, Arnar Ingi	1727	ISL	−2N	+53B	−11N	+46B	+51N	−20B	−19B	+39N	+34B	5.0	36.0	38.0	15.00	1801	+14.0
25	Davidsson, Stefan Orri	1765	ISL	+57N	−15B	+54N	−29B	+27N	−18B	+45N	+19B	−7N	5.0	35.5	35.5	14.50	1895	+16.0
26	Ivarsson Schram, Bjorgvin	1861	ISL	+52N	−7B	+51N	−15B	−32N	+31B	+27N	−20B	+42N	5.0	35.0	37.0	16.50	1836	-7.0
27	Arnaldarson, Bjarki	1523	ISL	−9B	+56N	+43B	−17N	−25B	+48N	−26B	+35N	+41B	5.0	34.5	35.5	14.50	1699	+19.6
28	Hauksdottir, Hrund	1784	ISL	+58B	−14N	−37B	−34N	+39B	+50N	−36B	+40N	+38B	5.0	31.5	31.5	14.00	1606	-34.0
29	Heidarsson, Arnar Milutin	2229	ISL	+39B	+35N	−5B	+25N	=11B	=6N	=3B	−13B	−16N	4.5	46.0	50.0	22.75	2148	-12.8
30	Agustsson, Egill Steinar	1734	ISL	−41B	+55N	+35B	−6N	+50B	=16N	−13N	+22B	−31N	4.5	36.5	38.0	15.25	1826	+13.4
31	Nordfjord, Isak	1782	ISL	F	−13B	−50N	+45N	=41B	−26N	+44B	+43N	+30B	4.5	29.5	29.5	15.25	1932	+22.4
32	Gunnarsson, Baltasar Mani Wedhol	1606	ISL	−5B	+48N	−16B	+56N	+26B	+41N	−9B	−12N	−21B	4.0	40.5	41.5	12.50	1686	+6.6
33	Sveinsson, Gudmundur Peng	1671	ISL	−4B	−37N	+40B	+39N	−12B	+35N	+43B	−17N	−19N	4.0	38.5	41.5	15.00	1746	+6.6
34	Gislason, Steinthor Orn	1545	ISL	−13N	+57B	−21N	+28B	−23N	+51B	−22N	+47B	−24N	4.0	35.5	35.5	10.00	1673	+19.2
35	Holm, Thordur	0	ISL	+23N	−29B	−30N	+44B	−21N	−33B	+37N	−27B	+54N	4.0	35.0	36.5	13.50	1652	+12.8
36	Gudmundsson, Thorbjorn Arnalds	1598	ISL	−7N	+52B	−19N	−51B	+54N	+47B	+28N	−23B	−22N	4.0	33.0	34.5	11.50	1622	-1.2
37	Arnarson, Hilmir	0	ISL	−20N	+33B	+28N	−18B	−43N	−38N	−35B	+56B	+44N	4.0	33.0	34.0	13.00	1674	+36.8
38	Hjartarson, Sigmar	1616	ISL	−8N	−51B	+47N	−54B	+55N	+37B	−21N	+46B	−28N	4.0	29.5	31.0	11.50	1650	+4.2
39	Richter, Robert Aron	1464	ISL	−29N	−23B	+52N	−33B	−28N	+57B	+54N	−24B	+50B	4.0	29.0	29.0	5.50	982	-14.0
40	Djuric, Nikola	0	ISL	−19N	−44B	−33N	+57B	−45B	+49N	+52N	−28B	+46N	4.0	28.0	28.0	8.00	1501	0.0
41	Solmundarson, Teitur	0	ISL	+30N	−18B	−22N	+53B	=31N	−32B	−46N	+48B	−27N	3.5	34.0	36.0	11.75	1546	+3.2
42	Kristjansson, Hjortur	1668	ISL	−1N	+47B	−20N	+55B	−19N	+46B	−23N	F	−26B	3.0	37.5	39.0	7.50	1677	-3.2
43	Arnalds, Stefan	1910	ISL	F	−8B	−27N	+49N	+37B	−15B	−33N	−31B	+47N	3.0	35.0	35.0	10.00	1680	-46.0
44	Johannsson, Kristjan	1648	ISL	−3B	+40N	−17B	−35N	−48B	+56N	−31N	+52B	−37B	3.0	33.5	34.5	7.00	998	-34.6
45	Arason, Birkir Orri	1508	ISL	−15N	−11B	+48N	−31B	+40N	+54B	−25B	F	F	3.0	32.5	32.5	8.50	1041	-10.2
46	Jonsson, Frodi	1489	ISL	−12B	−10N	+58B	−24N	+56B	−42N	+41B	−38N	−40B	3.0	32.5	32.5	4.50	1464	-5.4
47	Torfason, Mikael Maron	1404	ISL	−17B	−42N	−38B	+52N	+49B	−36N	+50B	−34N	−43B	3.0	28.0	30.0	7.00	1346	-8.6
48	Kristbjornsdottir, Asta	0	ISL	−21N	−32B	−45B	F	+44N	−27B	+51N	−41N	+53B	3.0	27.5	27.5	7.00	1559	0.0
49	Sigurdsson, Sindri Dagur	1551	ISL	−14B	+58N	−23N	−43B	−47N	−40B	+55B	−50N	+52N	3.0	26.0	26.0	3.50	1581	-0.8
50	Einarsson, Eskil	0	ISL	F	−12N	+31B	−20B	−30N	−28B	−47N	+49B	−39N	2.0	35.0	35.0	7.50	1550	0.0
51	Davidsson Oskar Pall	0	ISL	−16B	+38N	−26B	+36N	−24B	−34N	−48B	−53N	F	2.0	32.5	33.5	8.00	1523	-20.2
52	Ludviksson, Anton Logi	0	ISL	−26B	−36N	−39B	−47B	+53N	+55N	−40B	−44N	−49B	2.0	28.0	29.5	3.50	1358	0.0
53	Arason, Johannes	1452	ISL	−6B	−24N	−56B	−41N	−52B	F	+57N	+51B	−48N	2.0	23.0	23.0	2.00	1607	+9.4
54	Thelmuson, Reynir	0	ISL	F	−6N	−25B	+38N	−36B	−45N	−39B	=55N	−35B	1.5	32.0	32.0	4.75	1394	0.0
55	Jonsson, Otto Andres	1427	ISL	−18N	−30B	+57N	−42N	−38B	−52B	−49N	=54B	F	1.5	23.0	23.0	0.75	879	-20.0
56	Petursson Blondal, Orn Oskar	0	ISL	−22N	−27B	+53N	−32B	−46N	−44B	F	−37N	F	1.0	28.0	28.0	2.00	1269	0.0
57	FIDE 2338076	0	—	−25B	−34N	−55B	−40N	F	−39N	−53B	F	F	0.0	20.5	20.5	0.00	731	0.0
58	Olafsson, Daniel	0	ISL	−28N	−49B	−46N	F	F	F	F	F	F	0.0	14.0	14.0	0.00	808	-32.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Arnarson, HilmirISL
+36.8
4.0 pts · #32
2Tabatabaei, M. AminGMIRI
+23.3
8.5 pts · #1
3Nordfjord, IsakISL
+22.4
4.5 pts · #21

Top rating losers

1Arnalds, StefanISL
-46.0
3.0 pts · #29
2Johannsson, KristjanISL
-34.6
3.0 pts · #53
3Hauksdottir, HrundISL
-34.0
5.0 pts · #30

Biggest upsets

R4+456 Elo gap
Petersen, Jakob Alexander1778 beat CMBriem, Benedikt2234
R3+387 Elo gap
Arnaldarson, Bjarki1523 beat Arnalds, Stefan1910
R9+264 Elo gap
Davidsson, Oskar Vikingur1965 beat Heidarsson, Arnar Milutin2229