Thunder Chess Oppna KM 2026 R123
15 players participated in this 3-round tournament, held from 09 Apr 2026 to 23 Apr 2026 in Goteborg, Sweden. 3 federations represented. Top 10 Elo average was 1917, and top seed was Brjann Sigurgeirson (🇸🇪 SWE, 2187).
Brjann Sigurgeirson (🇸🇪 SWE, 2187) won with 3.0/3, ahead of Georgios Papadopoulos (3.0) and Uno Navert (2.0). Sigurgeirson shared the lead from round 1, winning on tie-break.
The biggest upset came in round 1: George Shakal (1581) beat Alharash Feras (1914), a +333-point gap.
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How it unfolded
Top 6 · 3 roundsTight race until R3; 2 players tied at 3.0/3, decided on Buchholz.
2 players finish on 3.0/3. Sigurgeirson takes the title on Buchholz Cut1 (3.5).
Georgios Papadopoulos 3 wins (R1–R3)Brjann Sigurgeirson 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Georgios Papadopoulos | * | — | — | 1 |
| 2Brjann Sigurgeirson | — | * | — | — |
| 3Elvis Surakka | — | — | * | — |
| 4Nicolas Christoforidis | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Sigurgeirson, Brjann | 2187 | SWE | +14N | +6B | +3N | 3.0 | 3.5 | 3.5 | 3.50 | 2670 | +8.2 |
| 2 | Papadopoulos, Georgios | 0 | SWE | +8N | +14B | +4N | 3.0 | 3.0 | 3.0 | 3.00 | 1946 | 0.0 |
| 3 | Navert, Uno | 1903 | SWE | +15N | +7B | −1B | 2.0 | 4.5 | 4.5 | 1.50 | 1884 | -0.6 |
| 4 | Christoforidis, Nicolas | 1944 | SWE | +9B | +12N | −2B | 2.0 | 4.0 | 5.0 | 2.00 | 2617 | +13.2 |
| 5 | Surakka, Elvis | 0 | SWE | −12B | +9N | +10B | 2.0 | 2.0 | 3.0 | 2.00 | 1869 | 0.0 |
| 6 | Mohammed, Safian Haj | 1899 | SWE | +11B | −1N | =7B | 1.5 | 4.5 | 5.5 | 1.75 | 1691 | -10.6 |
| 7 | Shakal, George | 1581 | SWE | +10B | −3N | =6N | 1.5 | 3.5 | 4.5 | 1.75 | 1905 | +44.8 |
| 8 | Simpson, Liam | 1907 | SWE | −2B | +11N | −13B | 1.0 | 4.0 | 5.0 | 1.00 | 1175 | -8.2 |
| 9 | Fallman, Markus | 1802 | SWE | −4N | −5B | +15N | 1.0 | 4.0 | 4.0 | 0.00 | 1144 | -12.4 |
| 10 | Feras, Alharash | 1914 | SYR | −7N | +15B | −5N | 1.0 | 3.5 | 3.5 | 0.00 | 781 | -17.6 |
| 11 | Rafidashti, Daniel | 0 | SWE | −6N | −8B | +14N | 1.0 | 2.5 | 2.5 | 0.00 | 1746 | 0.0 |
| 12 | Chitsaz, Sebastian | 1832 | SWE | +5N | −4B | — | 1.0 | 2.0 | 4.0 | 2.00 | 1144 | -14.0 |
| 13 | Azikri, Gur | 1975 | ISR | F | F | +8N | 1.0 | 1.0 | 1.0 | 1.00 | 2707 | +8.2 |
| 14 | Billing, Sverker | 1808 | SWE | −1B | −2N | −11B | 0.0 | 6.0 | 7.0 | 0.00 | 1387 | -3.6 |
| 15 | FIDE 1797760 | 0 | — | −3B | −10N | −9B | 0.0 | 3.0 | 4.0 | 0.00 | 1073 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Shakal, GeorgeSWE+44.81.5 pts · #5
- 2Christoforidis, NicolasSWE+13.22.0 pts · #4
- 3Sigurgeirson, BrjannSWE+8.23.0 pts · #2
- 1Feras, AlharashSYR-17.61.0 pts · #14
- 2Chitsaz, SebastianSWE-14.01.0 pts · #13
- 3Fallman, MarkusSWE-12.41.0 pts · #15
- R1+333 Elo gap