Player profile
Arnason, Jon L
Dossier
28 of 34 games analyzed.
Accuracy: 93.4%
Opened e4: 9/9
Castled kingside: 17Same-side castling: 17Castled queenside: 3Opposite-side castling: 3
Fianchettoed queenside: 11Played on the queenside: 11Played in the center: 7Fianchettoed kingside: 3
Space advantage: 17Active pieces: 15Initiated exchanges: 14Sacrificed material: 13Kept the bishop pair: 11Isolated pawn: 7Backward pawn: 6Avoided exchanges: 4Played gambits: 2Accepted short draws: 1
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 13 games 8W 3D 2L
Caro-Kann Defense 4 games 2W 1D 1L
Two Knights Attack 2 games 1W 1D 0L
Mindeno Variation, Exchange Line
1 game
0W
1D
0L
(unspecified)
1 game
1W
0D
0L
Classical Variation 2 games 1W 0D 1L
Main Line
1 game
1W
0D
0L
Lobron System
1 game
0W
0D
1L
Sicilian Defense 3 games 2W 1D 0L
Moscow Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Kan Variation 1 game 1W 0D 0L
Modern Variation
1 game
1W
0D
0L
Gaw-Paw Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Ruy Lopez 3 games 2W 0D 1L
Morphy Defense 1 game 1W 0D 0L
Møller Variation
1 game
1W
0D
0L
Classical Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Open 1 game 1W 0D 0L
Classical Defense
1 game
1W
0D
0L
Philidor Defense 1 game 1W 0D 0L
Lion Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Modern Defense 1 game 0W 1D 0L
Standard Defense 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Scandinavian Defense 1 game 1W 0D 0L
Portuguese Gambit 1 game 1W 0D 0L
Classical Variation
1 game
1W
0D
0L
As Black 13 games 5W 5D 3L
Queen's Gambit Accepted 5 games 2W 2D 1L
Normal Variation 4 games 2W 1D 1L
Traditional System
2 games
1W
1D
0L
(unspecified)
2 games
1W
0D
1L
Old Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Four Knights Game 2 games 1W 1D 0L
Scotch Variation Accepted 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
Bishop's Opening 1 game 0W 1D 0L
Paulsen Defense 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
King's Indian Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Nimzo-Larsen Attack 1 game 1W 0D 0L
Indian Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Pawn Game 1 game 0W 0D 1L
London System 1 game 0W 0D 1L
with e6
1 game
0W
0D
1L
Réti Opening 1 game 1W 0D 0L
Réti Accepted 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
English Opening 1 game 0W 0D 1L
Symmetrical Variation 1 game 0W 0D 1L
Anti-Benoni Variation
1 game
0W
0D
1L
Blunders Top 4 of 80
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 34 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.10.11 | Icelandic Team Chess Championships 2026/27 - Premier League | 5.24 | 2026.10.11 Halldorsson, Bragi (2300907) (2061) | ½ | 95.40% | 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 | |
| 2026.10.10 | Icelandic Team Chess Championships 2026/27 - Premier League | 4.15 | 2026.10.10 Thorkelsson, Sigurjon (2301695) (1963) | 1 | 90.80% | 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 | |
| 2026.10.09 | Icelandic Team Chess Championships 2026/27 - Premier League | 2.24 | 2026.10.09 Halldorsson, Jon Arni (2301075) (2037) | ½ | 95.80% | 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 | |
| 2026.10.08 | Icelandic Team Chess Championships 2026/27 - Premier League | 1.8 | 2026.10.08 Birkisson, Bjorn Holm (2310600) (2234) | 1 | 97.40% | 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 | |
| 2026.04.28 | Round 9: Arnason, Jon L - Mestel, A Jonathan | 9.7 | 2026.04.28 Mestel, A Jonathan (400122) (2429) | ½ | 96.70% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | |
| 2026.04.27 | Round 8: Gorbatov, Alexej - Arnason, Jon L | 8.7 | 2026.04.27 Gorbatov, Alexej (4111834) (2290) | ½ | 99.30% | 1. e4 e5 2. Bc4 Nf6 3. d3 c6 | |
| 2026.04.26 | Round 7: Arnason, Jon L - Gazik, Igor | 7.7 | 2026.04.26 Gazik, Igor (14900149) (2224) | 1 | 98.80% | 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 | |
| 2026.04.25 | Round 6: Roos, Louis - Arnason, Jon L | 6.3 | 2026.04.25 Roos, Louis (600288) (2275) | ½ | 93.40% | 1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 | |
| 2026.04.22 | Round 4: Arnason, Jon L - Prakken, Gerrit | 4.18 | 2026.04.22 Prakken, Gerrit (1004018) (2191) | 1 | 92.30% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2026.04.21 | Round 3: Arnason, Jon L - Sibilio, Mario | 3.11 | 2026.04.21 Sibilio, Mario (800422) (2233) | ½ | 89.50% | 1. e4 g6 2. d4 Bg7 3. Nc3 d6 | |
| 2026.04.20 | Round 2: McMichael, Richard J - Arnason, Jon L | 2.11 | 2026.04.20 McMichael, Richard J (400963) (2118) | 1 | 97.00% | 1. b3 Nf6 2. Bb2 g6 3. e3 Bg7 | |
| 2026.04.19 | Round 1: Kowalczuk, Wojciech - Arnason, Jon L | 1.10 | 2026.04.19 Kowalczuk, Wojciech (1103784) (2035) | ½ | 98.80% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2026.03.07 | Icelandic team chess championship premier league | 9.15 | 2026.03.07 Gislason, Gudmundur (2300559) (2256) | 1 | 92.30% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.02.25 | WSTCC | 8.12 | 2025.02.25 D'Amore, Carlo (800066) (2362) | 0 | - | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 | |
| 2025.02.24 | WSTCC | 7.16 | 2025.02.24 Kindt, Manfred (1025562) (2049) | 1 | - | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.02.23 | WSTCC | 6.12 | 2025.02.23 Hebden, Mark L (400084) (2363) | 0 | - | 1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 | |
| 2025.02.21 | WSTCC | 5.20 | 2025.02.21 Krizsany, Laszlo (701718) (2303) | 1 | - | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.02.20 | WSTCC | 4.8 | 2025.02.20 Min, Valeriy (13700391) (2273) | 1 | 97.90% | 1. Nf3 d5 2. c4 dxc4 3. Qa4+ Nd7 | |
| 2025.02.18 | WSTCC | 2.12 | 2025.02.18 Frostick, Clive A (411302) (2105) | 1 | - | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2025.02.17 | WSTCC | 1.12 | 2025.02.17 Frostick, Helen M (402591) (1880) | 1 | - | 1. e4 c6 2. d4 d5 3. Nd2 dxe4 | |
| 2024.07.10 | 50-1 | 8.7 | 2024.07.10 Briestensky, Rastislav (14900394) (2274) | 0 | 82.80% | 1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 | |
| 2024.07.09 | 50-1 | 7.3 | 2024.07.09 Khachiyan, Melikset (13300512) (2414) | 0 | 86.20% | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 | |
| 2024.07.06 | 50-1 | 5.4 | 2024.07.06 Ortega, Lexy (811416) (2386) | 0 | 83.40% | 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 | |
| 2024.07.05 | 50-1 | 4.7 | 2024.07.05 Flear, Glenn C (400165) (2390) | ½ | 92.50% | 1. d4 d5 2. c4 dxc4 3. e3 Nf6 | |
| 2024.07.04 | 50-1 | 2.11 | 2024.07.04 Staeblein, Christoph (24676357) (1991) | 1 | 96.50% | 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 | |
| 2024.07.02 | 50-1 | 1.11 | 2024.07.02 Csom, Etelka (704555) (1996) | 1 | 91.80% | 1. e4 d5 2. exd5 Nf6 3. d4 Bg4 | |
| 2023.09.28 | Round 9: Gary M Clark - Jon L Arnason | 2023.09.28 Gary M Clark (2278) | ½ | 88.00% | 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 | ||
| 2023.09.27 | Round 8: Jon L Arnason - Lexy Ortega | 2023.09.27 Lexy Ortega (2410) | ½ | 94.30% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 | ||
| 2023.09.26 | Round 7: Jon L Arnason - Vlatko Bogdanovski | 2023.09.26 Vlatko Bogdanovski (2385) | 1 | 95.10% | 1. e4 c6 2. d4 d5 3. Nd2 dxe4 | ||
| 2023.09.24 | Round 6: Jaan Ehlvest - Jon L Arnason | 2023.09.24 Jaan Ehlvest (2530) | 0 | 87.40% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | ||
| 2023.09.23 | Round 1: Lars F Olsson - Jon L Arnason | 2023.09.23 Lars F Olsson (1906) | 1 | 97.30% | 1. c4 c5 2. g3 Nc6 3. Bg2 g6 | ||
| 2023.09.23 | Round 5: Bogdan Podlesnik - Jon L Arnason | 2023.09.23 Bogdan Podlesnik (2289) | 1 | 87.40% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | ||
| 2023.09.21 | Round 3: Friedrich Woeber - Jon L Arnason | 2023.09.21 Friedrich Woeber (2100) | 1 | 77.60% | 1. e4 e5 2. f4 exf4 3. Nf3 d6 | ||
| 2023.09.20 | Round 2: Yanfeng An - Jon L Arnason | 2023.09.20 Yanfeng An (2259) | ½ | 94.50% | 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 |