Player profile
Johannsson, Birkir Isak
Dossier
43 of 44 games analyzed.
Accuracy: 91.8%
Opened d4: 16/20Opened Nf3: 4/20
Castled kingside: 29Same-side castling: 27Castled queenside: 6Opposite-side castling: 5Did not castle: 2
Played in the center: 13Played on the kingside: 9Fianchettoed kingside: 8Played on the queenside: 7Fianchettoed queenside: 6
Active pieces: 27Space advantage: 24Kept the bishop pair: 22Initiated exchanges: 22Sacrificed material: 21Backward pawn: 17Isolated pawn: 15Avoided exchanges: 8Missed tactics: 8Played gambits: 3
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 21 games 5W 7D 9L
Queen's Gambit Declined 7 games 2W 3D 2L
(unspecified) 2 games 0W 2D 0L
(unspecified)
2 games
0W
2D
0L
Three Knights Variation 2 games 0W 0D 2L
(unspecified)
2 games
0W
0D
2L
Harrwitz Attack 2 games 1W 1D 0L
(unspecified)
1 game
0W
1D
0L
Two Knights Defense
1 game
1W
0D
0L
Ragozin Defense 1 game 1W 0D 0L
Vienna Variation
1 game
1W
0D
0L
Semi-Slav Defense 3 games 0W 1D 2L
Meran Variation 2 games 0W 0D 2L
(unspecified)
2 games
0W
0D
2L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Indian Defense 2 games 1W 0D 1L
Wade-Tartakower Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Pseudo-Benko 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Bogo-Indian Defense 2 games 1W 0D 1L
Wade-Smyslov Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Retreat Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
East Indian Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Wade Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Tarrasch Defense 1 game 0W 1D 0L
Symmetrical Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Slav Defense 1 game 0W 0D 1L
Modern Line 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
English Opening 1 game 1W 0D 0L
Symmetrical Variation 1 game 1W 0D 0L
Hedgehog Defense
1 game
1W
0D
0L
Pseudo Queen's Indian Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Catalan Opening 1 game 0W 0D 1L
Closed 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
As Black 17 games 6W 5D 6L
Queen's Gambit Declined 6 games 1W 3D 2L
Exchange Variation 3 games 1W 1D 1L
Carlsen Variation
2 games
1W
1D
0L
Positional Variation
1 game
0W
0D
1L
Ragozin Defense 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Vienna Variation 1 game 0W 0D 1L
Quiet Variation
1 game
0W
0D
1L
Caro-Kann Defense 3 games 2W 0D 1L
Tartakower Variation 2 games 2W 0D 0L
(unspecified)
2 games
2W
0D
0L
Advance Variation 1 game 0W 0D 1L
Tal Variation
1 game
0W
0D
1L
Nimzo-Indian Defense 2 games 0W 1D 1L
Normal Variation 2 games 0W 1D 1L
Gligoric System, Exchange Variation
2 games
0W
1D
1L
Queen's Pawn Game 2 games 1W 0D 1L
Symmetrical Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Levitsky Attack 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
English Opening 2 games 1W 1D 0L
Agincourt Defense 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
Sicilian Defense 1 game 1W 0D 0L
Moscow Variation 1 game 1W 0D 0L
Main Line
1 game
1W
0D
0L
Four Knights Game 1 game 0W 0D 1L
Glek System 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 163
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 44 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.10.23 | Round 7: Nemec, Jachym - Johannsson, Birkir Isak | 7.57 | 2026.10.23 Nemec, Jachym (23716525) (2478) | 0 | 93.10% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2026.10.21 | Round 5: Schmidek, Emil - Johannsson, Birkir Isak | 5.57 | 2026.10.21 Schmidek, Emil (12908150) (2427) | ½ | 99.50% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2026.10.18 | Round 2: Aravindh, Chithambaram VR. - Johannsson, Birkir Isak | 2.9 | 2026.10.18 Aravindh, Chithambaram VR. (5072786) (2677) | 0 | 87.60% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2026.10.11 | Icelandic Team Chess Championships 2026/27 - Premier League | 5.5 | 2026.10.11 Kristinsson, Baldur (1404679) (2151) | 1 | 97.40% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2026.10.10 | Icelandic Team Chess Championships 2026/27 - Premier League | 4.5 | 2026.10.10 Hansen, Soren Bech (1400681) (2257) | ½ | 98.70% | 1. d4 d5 2. c4 e6 3. Nf3 a6 | |
| 2026.10.10 | Icelandic Team Chess Championships 2026/27 - Premier League | 3.20 | 2026.10.10 Thorfinnsson, Bragi (2300958) (2370) | 0 | 79.50% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2026.10.09 | Icelandic Team Chess Championships 2026/27 - Premier League | 2.5 | 2026.10.09 Ingvason, Johann (2301431) (2150) | ½ | 89.20% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2026.10.08 | Icelandic Team Chess Championships 2026/27 - Premier League | 1.5 | 2026.10.08 Petursson, Margeir (2300028) (2386) | ½ | 93.40% | 1. Nf3 d5 2. d4 Nf6 3. c4 e6 | |
| 2026.03.19 | Kópavogur International Chess Tournament 2026 | 9.2 | 2026.03.19 Kazakouski, Valery (13507443) (2575) | ½ | 97.80% | 1. c4 e6 2. Nc3 d5 3. d4 Nf6 | |
| 2026.03.18 | Kópavogur International Chess Tournament 2026 | 8.5 | 2026.03.18 Ragnarsson, Dagur (2304058) (2376) | ½ | 97.60% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2026.03.15 | Kópavogur International Chess Tournament 2026 | 6.5 | 2026.03.15 Heimisson, Hilmir Freyr (2309998) (2300) | 1 | 96.60% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 | |
| 2026.03.13 | Kópavogur International Chess Tournament 2026 | 5.2 | 2026.03.13 Birkisson, Bardur Orn (2310597) (2207) | 1 | 98.20% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2026.03.13 | Kópavogur International Chess Tournament 2026 | 4.4 | 2026.03.13 Domalchuk-Jonasson, Aleksandr (14142805) (2362) | 1 | 94.10% | 1. d4 d5 2. Nf3 Nf6 3. c3 a5 | |
| 2026.03.12 | Kópavogur International Chess Tournament 2026 | 3.3 | 2026.03.12 Pultinevicius, Paulius (12809390) (2563) | 0 | 89.00% | 1. d4 Nf6 2. Nf3 e6 3. c4 d5 | |
| 2026.03.11 | Kópavogur International Chess Tournament 2026 | 2.3 | 2026.03.11 Stefansson, Vignir Vatnar (2308649) (2511) | 0 | 88.00% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2026.03.10 | Kópavogur International Chess Tournament 2026 | 7.1 | 2026.03.10 Oleksiyenko, Mykhaylo (4152417) (2569) | ½ | 93.00% | 1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7 | |
| 2026.03.10 | Kópavogur International Chess Tournament 2026 | 1.4 | 2026.03.10 Santos Latasa, Jaime (2293307) (2618) | 0 | 91.20% | 1. d4 Nf6 2. Nf3 d5 3. c4 e6 | |
| 2026.03.08 | Icelandic team chess championship premier league | 10.21 | 2026.03.08 Thorfinnsson, Bjorn (2300982) (2335) | 0 | 86.30% | 1. d4 d5 2. Bg5 f6 3. Bf4 Nc6 | |
| 2026.03.07 | Icelandic team chess championship premier league | 9.5 | 2026.03.07 Danielsen, Henrik (1400185) (2476) | 0 | 88.30% | 1. d4 d6 2. Nf3 Nf6 3. Nbd2 g6 | |
| 2026.03.07 | Icelandic team chess championship premier league | 8.21 | 2026.03.07 Gretarsson, Helgi Ass (2300699) (2414) | ½ | 81.10% | 1. d4 d6 2. Nf3 Bg4 3. e4 Nf6 | |
| 2026.03.06 | Icelandic team chess championship premier league | 7.13 | 2026.03.06 Thorhallsson, Simon (2310090) (2236) | 1 | 98.20% | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 | |
| 2026.03.05 | Icelandic team chess championship premier league | 6.13 | 2026.03.05 Ragnarsson, Dagur (2304058) (2376) | ½ | 99.50% | 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 | |
| 2025.12.07 | Friðriksmót Landsbankans – Íslandsmótið í hraðskák | 13.4 | 2025.12.07 Thorfinnsson, Bjorn (2300982) (2416) | 0 | 83.30% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2025.12.07 | Friðriksmót Landsbankans – Íslandsmótið í hraðskák | 3.3 | 2025.12.07 Heimisson, Hilmir Freyr (2309998) (2420) | 0 | 83.60% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2025.12.04 | Icelandic team chess championship premier league | 1.2 | 2025.12.04 Johannesson, Oliver (2305623) (2256) | 1 | - | 1. d4 Nf6 2. Nf3 c5 3. d5 b5 | |
| 2025.11.16 | Icelandic team chess championship premier league | 5.23 | 2025.11.16 Johannsson, Orn Leo (2303051) (2314) | 1 | 91.30% | 1. Nf3 Nf6 2. c4 e6 3. g3 b6 | |
| 2025.11.15 | Icelandic team chess championship premier league | 4.7 | 2025.11.15 Arngrimsson, Dagur (2301288) (2370) | ½ | 92.00% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2025.11.14 | Icelandic team chess championship premier league | 2.15 | 2025.11.14 Kjartansson, David (2301130) (2262) | 1 | 96.90% | 1. Nf3 Nf6 2. c4 e6 3. d4 Bb4+ | |
| 2025.10.25 | Round 7: Rappazzo, Johannes - Johannsson, Birkir Isak | 7.57 | 2025.10.25 Rappazzo, Johannes (1340069) (2189) | 0 | 89.10% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2025.10.21 | Round 3: Willems, Niels - Johannsson, Birkir Isak | 3.39 | 2025.10.21 Willems, Niels (20695586) (2373) | ½ | 93.80% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | |
| 2025.10.20 | Round 2: Johannsson, Birkir Isak - Pribelszky, Bence | 2.57 | 2025.10.20 Pribelszky, Bence (769738) (2403) | 0 | 82.40% | 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 | |
| 2024.10.25 | 39th European Chess Club Cup | 6 | 2024.10.25 Duncan, Chris R (403091) (2165) | ½ | 95.30% | 1. d4 d5 2. c4 e6 3. Nf3 a6 | |
| 2024.10.24 | 39th European Chess Club Cup | 5 | 2024.10.24 Haag, Gregor (24680931) (2335) | 0 | 89.60% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2024.10.23 | 39th European Chess Club Cup | 4 | 2024.10.23 Hoerstmann, Rudi (4604075) (2267) | 1 | 98.80% | 1. c4 e6 2. Nf3 d5 3. g3 dxc4 | |
| 2024.10.22 | Round 3: Johannsson, Birkir Isak - Veinberg, Nimrod | 3.59 | 2024.10.22 Veinberg, Nimrod (2810280) (2408) | 0 | 79.90% | 1. d4 Nf6 2. Nf3 d5 3. c4 e6 | |
| 2024.10.21 | 39th European Chess Club Cup | 2 | 2024.10.21 Van der Hagen, Loek (1052853) (2322) | 1 | 94.50% | 1. d4 Nf6 2. Nf3 e6 3. c4 d5 | |
| 2024.10.20 | 39th European Chess Club Cup | 1 | 2024.10.20 Cooney, Brendan (2508702) (1874) | 1 | 98.10% | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 | |
| 2024.03.16 | Reykjavik Open 2024 | 2.30 | 2024.03.16 Salimova, Nurgyul (2915138) (2426) | 0 | 91.90% | 1. Nf3 d5 2. d4 Nf6 3. c4 e6 | |
| 2023.03.31 | Reykjavik Open | 4 | 2023.03.31 Panchanathan, Magesh Chandran (5007429) (2460) | 0 | 87.60% | 1. Nf3 Nf6 2. c4 e6 3. g3 c5 | |
| 2023.03.29 | Reykjavik Open 2023 | 1.20 | 2023.03.29 Visakh, N R (2538) | 0 | 90.20% | 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 | |
| 2023.03.19 | Icelandic Team Championship | 10 | 2023.03.19 Finnsson, Johann Arnar (2308240) (1891) | 0 | 83.40% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2023.03.18 | Icelandic Team Championship | 9 | 2023.03.18 Stefansson, Hannes (2300087) (2527) | 0 | 83.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2023.03.18 | Icelandic Team Championship | 8 | 2023.03.18 Thorfinnsson, Bjorn (2300982) (2365) | 0 | 84.60% | 1. d4 d5 2. Bg5 Nf6 3. e3 c5 | |
| 2023.03.17 | Icelandic Team Championship | 7 | 2023.03.17 Einarsson, Arnthor (2300540) (2173) | ½ | 92.90% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 |