Jon Ulfur Hafthorsson
ISL · FIDE ID 2323206 · 37 tournament games since 2021
Standard
1882
#176 in ISL (active)
Rapid
1637
#392 in ISL (active)
Blitz
1734
#343 in ISL (active)
Score
32%
10 W · 4 D · 23 L
Opp. avg
1881
Last 37 games
Last game
2025-08
Jönköping Chess Festival | Standard Open
Prep summary
- As White: 1.d4 in 53% of games (scores 50%), otherwise 1.e4 (40%).
- Against 1.e4: 1...c5 in 6 of 11 games (Sicilian Defense), scoring 33%.
- Against 1.d4: 1...Nf6 in 9 of 9 games (Indian Defense), scoring 28%.
- By opponent strength: 9% against higher-rated players, 92% against lower-rated.
Based on 37 over-the-board games (13 classical · 4 rapid · 2 blitz). 15 with White (37%), 22 with Black (30%).
Openings as White
First move
| 1.d4 | 8 | 50% |
| 1.e4 | 6 | 17% |
| 1.b3 | 1 | 50% |
Most played
| Opening | Games | Score |
|---|---|---|
| Rapport-Jobava System | 2 | 0% |
| Sicilian Defense: Closed | 2 | 0% |
| Caro-Kann Defense: Advance Variation, Tal Variation | 2 | 0% |
| Queen's Pawn Game: Chigorin Variation, Shaviliuk Gambit | 1 | 100% |
| Indian Defense | 1 | 100% |
Openings as Black
Against 1.e4 (11 games)
| 1...c5 Sicilian Defense | 6 | 33% |
| 1...e5 King's Pawn Game | 5 | 40% |
Against 1.d4 (9 games)
| 1...Nf6 Indian Defense | 9 | 28% |
Most played
| Opening | Games | Score |
|---|---|---|
| King's Indian Defense | 3 | 50% |
| Sicilian Defense: Accelerated Dragon, Maróczy Bind | 2 | 50% |
| Benoni Defense: Czech Benoni Defense | 2 | 0% |
| Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | 1 | 0% |
| Sicilian Defense | 1 | 0% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2025-08 | Ulf 1966 Johansson (2125) Jönköping Chess Festival | Standard Open · classical | L |
| 2025-07-31 | Linus Fellman (1930) Jönköping Chess Festival | Rapid Open · rapid | L |
| 2025-07-31 | Aryan Banerjee (2029) Jönköping Chess Festival | Rapid Open · rapid | L |
| 2025-07-31 | Susanne Hansson (1980) Jönköping Chess Festival | Rapid Open · rapid | W |
| 2025-07-31 | Per Harila (1961) Jönköping Chess Festival | Standard Open · classical | ½ |
| 2025-07-31 | Andreas Ravik (1950) Jönköping Chess Festival | Blitz Open · blitz | L |
| 2025-07-31 | Sameer Loay (2197) Jönköping Chess Festival | Blitz Open · blitz | L |
| 2025-07-30 | Sol Kullander (1701) Jönköping Chess Festival | Standard Open · classical | W |
| 2025-07-29 | Kacper Zakrzewicz (1682) Jönköping Chess Festival | Standard Open · classical | ½ |
| 2025-07-28 | Harald Berggren Torell (2067) Jönköping Chess Festival | Standard Open · classical | L |
Data: FIDE rating list (October 2026 list; national ranks count active players) and tournament games broadcast on Lichess since 2020 (open data, CC0). Results are matched to FIDE players by name or FIDE ID and may be incomplete. This page shows public chess results only. Is this you and you want the page removed? Email chessmoose1@gmail.com and we remove it.