Player profile
Bjornsson, Sigurbjorn
Dossier
47 of 60 games analyzed.
Accuracy: 89.2%
Opened e4: 17/18Opened c4: 1/18
Castled kingside: 26Same-side castling: 18Opposite-side castling: 7Castled queenside: 4Did not castle: 4
Fianchettoed kingside: 14Played on the kingside: 12Played in the center: 11Fianchettoed queenside: 4Played on the queenside: 4
Sacrificed material: 24Backward pawn: 23Active pieces: 22Initiated exchanges: 20Space advantage: 19Isolated pawn: 19Kept the bishop pair: 18Missed tactics: 9Avoided exchanges: 8Played gambits: 4
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 24 games 8W 7D 6L
Sicilian Defense 12 games 5W 2D 4L
Dragon Variation 3 games 2W 0D 1L
Yugoslav Attack, Czerniak Variation
2 games
1W
0D
1L
(unspecified)
1 game
1W
0D
0L
Richter-Rauzer Variation 3 games 0W 1D 2L
Modern Variation
2 games
0W
1D
1L
Dragon Variation
1 game
0W
0D
1L
Kalashnikov Variation 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Kan Variation 1 game 0W 1D 0L
Polugaevsky Variation
1 game
0W
1D
0L
Classical Variation 1 game 0W 0D 0L
(unspecified)
1 game
0W
0D
0L
Nyezhmetdinov-Rossolimo Attack 1 game 1W 0D 0L
Fianchetto Variation
1 game
1W
0D
0L
Lasker-Pelikan Variation 1 game 1W 0D 0L
Sveshnikov Variation, Chelyabinsk Variation
1 game
1W
0D
0L
French Defense 3 games 1W 1D 1L
Tarrasch Variation 1 game 0W 0D 1L
Open System, Süchting Line
1 game
0W
0D
1L
Classical Variation 1 game 0W 1D 0L
Steinitz Variation
1 game
0W
1D
0L
Winawer Variation 1 game 1W 0D 0L
Classical Variation
1 game
1W
0D
0L
Ruy Lopez 2 games 0W 2D 0L
Berlin Defense 1 game 0W 1D 0L
Anti-Berlin Variation
1 game
0W
1D
0L
Closed 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
King's Gambit Declined 2 games 0W 1D 0L
Falkbeer Countergambit 1 game 0W 0D 0L
Charousek Gambit Accepted
1 game
0W
0D
0L
Petrov's Defense 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
English Opening 1 game 0W 1D 0L
Great Snake Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
King's Indian Defense 1 game 1W 0D 0L
Fianchetto Variation 1 game 1W 0D 0L
Yugoslav Variation, Exchange Line
1 game
1W
0D
0L
Four Knights Game 1 game 0W 0D 0L
Spanish Variation 1 game 0W 0D 0L
(unspecified)
1 game
0W
0D
0L
Alekhine Defense 1 game 1W 0D 0L
Four Pawns Attack 1 game 1W 0D 0L
Main Line
1 game
1W
0D
0L
Italian Game 1 game 0W 0D 1L
Two Knights Defense 1 game 0W 0D 1L
Colman Variation
1 game
0W
0D
1L
As Black 23 games 6W 5D 9L
King's Indian Defense 9 games 4W 1D 2L
Fianchetto Variation 3 games 0W 0D 2L
Yugoslav Variation, Exchange Line
1 game
0W
0D
0L
Carlsbad Variation
1 game
0W
0D
1L
Immediate Fianchetto
1 game
0W
0D
1L
Normal Variation 2 games 1W 0D 0L
King's Knight Variation
2 games
1W
0D
0L
Orthodox Variation 1 game 0W 1D 0L
Gligoric-Taimanov System
1 game
0W
1D
0L
Sämisch Variation 1 game 1W 0D 0L
Yates Defense
1 game
1W
0D
0L
Averbakh Variation 1 game 1W 0D 0L
Modern Defense
1 game
1W
0D
0L
Four Pawns Attack 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Sicilian Defense 7 games 1W 2D 4L
Dragon Variation 6 games 1W 2D 3L
Yugoslav Attack, Modern Line
2 games
0W
0D
2L
Yugoslav Attack, Hungarian Dragon
2 games
1W
0D
1L
Fianchetto Variation
1 game
0W
1D
0L
Yugoslav Attack, Early Deviations
1 game
0W
1D
0L
Alapin Variation 1 game 0W 0D 1L
Smith-Morra Declined
1 game
0W
0D
1L
English Opening 2 games 1W 0D 1L
King's English Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Anglo-Indian Defense 1 game 0W 0D 1L
King's Indian Formation
1 game
0W
0D
1L
Indian Defense 2 games 0W 1D 1L
Accelerated London System 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Anti-Nimzo-Indian 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Nimzo-Indian Defense 2 games 0W 1D 1L
Normal Variation 2 games 0W 1D 1L
(unspecified)
1 game
0W
1D
0L
Botvinnik System
1 game
0W
0D
1L
Caro-Kann Defense 1 game 0W 0D 0L
Two Knights Attack 1 game 0W 0D 0L
Mindeno Variation, Exchange Line
1 game
0W
0D
0L
Blunders Top 4 of 216
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 60 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.10.11 | Icelandic Team Chess Championships 2026/27 - Premier League | 5.14 | 2026.10.11 Ingvason, Johann (2301431) (2150) | ½ | 93.70% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 | |
| 2026.10.10 | Icelandic Team Chess Championships 2026/27 - Premier League | 4.22 | 2026.10.10 Gavran, Marinko (14524848) (2055) | 1 | 80.90% | 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 | |
| 2026.10.10 | Icelandic Team Chess Championships 2026/27 - Premier League | 3.22 | 2026.10.10 Briem, Benedikt (2315432) (2239) | ½ | 92.30% | 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 | |
| 2026.10.09 | Icelandic Team Chess Championships 2026/27 - Premier League | 2.22 | 2026.10.09 Thorhallsson, Throstur (2300109) (2387) | ½ | 91.60% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.10.08 | Icelandic Team Championship 2026-27 - Pr | 1.2 | 2026.10.08 Hansen, Soren Bech (1400681) (2257) | 0 | - | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.06.07 | Skákþing Íslands - Áskorendaflokkur 2026 | 9.3 | 2026.06.07 Ernisson, Petur Ulfar (2326116) (1815) | 1 | 97.20% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.06.06 | Skákþing Íslands - Áskorendaflokkur 2026 | 8.5 | 2026.06.06 Karlsson, Mikael Johann (2305194) (2157) | 1 | - | 1. c4 e5 2. g3 Nf6 3. Bg2 h6 | |
| 2026.06.05 | Skákþing Íslands - Áskorendaflokkur 2026 | 7.5 | 2026.06.05 Johannsson, Markus Orri (2318539) (2010) | * | 92.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.06.04 | Skákþing Íslands - Áskorendaflokkur 2026 | 6.5 | 2026.06.04 Thorsteinsson, Thorsteinn Jakob F (2317940) (1855) | ½ | 92.40% | 1. c4 g6 2. g3 Nf6 3. Bg2 Bg7 | |
| 2026.06.02 | Skákþing Íslands - Áskorendaflokkur 2026 | 4.3 | 2026.06.02 Leosson, Haukur Vidis (2325780) (1921) | 0 | 87.60% | 1. e4 e6 2. d4 d5 3. Nd2 c5 | |
| 2026.05.31 | Skákþing Íslands - Áskorendaflokkur 2026 | 1.1 | 2026.05.31 Hermannsson, Sigurbjorn (2325128) (1915) | 0 | 84.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.03.08 | Icelandic team chess championship premier league | 10.15 | 2026.03.08 Gunnarsson, Jon Viktor (2300931) (2434) | ½ | 87.60% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.03.07 | Icelandic team chess championship premier league | 8.7 | 2026.03.07 Arngrimsson, Dagur (2301288) (2358) | 0 | 93.00% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | |
| 2026.03.06 | Icelandic team chess championship premier league | 7.23 | 2026.03.06 Johannsson, Orn Leo (2303051) (2297) | ½ | 93.50% | 1. e4 e6 2. d4 d5 3. Nc3 Nf6 | |
| 2026.03.05 | Icelandic team chess championship premier league | 6.15 | 2026.03.05 Einarsson, Halldor Gretar (2300150) (2174) | 1 | 96.00% | 1. d4 Nf6 2. c4 g6 3. f3 Bg7 | |
| 2026.01.24 | Le Kock Mótaröðin - Úrslitakvöld | 11.3 | 2026.01.24 Jonsson, Gauti Pall (2309092) (2241) | 1 | - | 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 | |
| 2026.01.24 | Le Kock Mótaröðin - Úrslitakvöld | 10.4 | 2026.01.24 Gretarsson, Helgi Ass (2300699) (2403) | * | - | 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 | |
| 2026.01.24 | Le Kock Mótaröðin - Úrslitakvöld | 9.4 | 2026.01.24 Bergsson, Stefan Steingrimur (2301393) (2144) | * | - | 1. e4 e5 2. f4 d5 3. exd5 e4 | |
| 2026.01.24 | Le Kock Mótaröðin - Úrslitakvöld | 8.3 | 2026.01.24 Johannsson, Orn Leo (2303051) (2401) | * | - | 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 | |
| 2026.01.24 | Le Kock Mótaröðin - Úrslitakvöld | 7.5 | 2026.01.24 Thorfinnsson, Bjorn (2300982) (2412) | * | - | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2026.01.24 | Le Kock Mótaröðin - Úrslitakvöld | 6.2 | 2026.01.24 Thorfinnsson, Bragi (2300958) (2284) | * | - | 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 | |
| 2026.01.24 | Le Kock Mótaröðin - Úrslitakvöld | 5.6 | 2026.01.24 Stefansson, Vignir Vatnar (2308649) (2579) | 0 | 78.50% | 1. e4 c5 2. Nf3 d6 3. Nc3 Nc6 | |
| 2026.01.24 | Le Kock Mótaröðin - Úrslitakvöld | 3.6 | 2026.01.24 Heimisson, Hilmir Freyr (2309998) (2413) | 0 | 89.20% | 1. d4 Nf6 2. c4 g6 3. g3 Bg7 | |
| 2026.01.24 | Le Kock Mótaröðin - Úrslitakvöld | 2.2 | 2026.01.24 Ragnarsson, Dagur (2304058) (2345) | ½ | 93.80% | 1. e4 e5 2. f4 Nf6 3. fxe5 Nxe4 | |
| 2026.01.24 | Le Kock Mótaröðin - Úrslitakvöld | 1.5 | 2026.01.24 Skarphedinsson, Ingvar Wu (2316943) (2179) | 1 | 90.20% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2025.12.07 | Friðriksmót Landsbankans – Íslandsmótið í hraðskák | 13.2 | 2025.12.07 Stefansson, Vignir Vatnar (2308649) (2599) | 0 | 87.90% | 1. d4 Nf6 2. c4 g6 3. g3 Bg7 | |
| 2025.12.07 | Friðriksmót Landsbankans – Íslandsmótið í hraðskák | 6.4 | 2025.12.07 Stefansson, Hannes (2300087) (2431) | 0 | 45.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.11.16 | Icelandic team chess championship premier league | 5.15 | 2025.11.16 Omarsson, Josef (2316102) (2025) | 1 | 87.00% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2025.11.15 | Icelandic team chess championship premier league | 4.23 | 2025.11.15 Sigurjonsson, Stefan Th. (2301008) (2113) | 1 | 84.40% | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 | |
| 2025.11.15 | Icelandic team chess championship premier league | 3.7 | 2025.11.15 Arngrimsson, Dagur (2301288) (2370) | ½ | 87.80% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.11.14 | Icelandic team chess championship premier league | 2.23 | 2025.11.14 Johannsson, Orn Leo (2303051) (2314) | ½ | 95.50% | 1. d4 Nf6 2. Bf4 g6 3. Nc3 Bg7 | |
| 2025.10.24 | Round 6: Krallis, Christos - Bjornsson, Sigurbjorn | 6.81 | 2025.10.24 Krallis, Christos (4298896) (2403) | 0 | 89.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.10.21 | Round 3: Atlas, Valery - Bjornsson, Sigurbjorn | 3.51 | 2025.10.21 Atlas, Valery (12000035) (2407) | ½ | 84.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.10.20 | Round 2: Bjornsson, Sigurbjorn - Bochnicka, Vladimir | 2.75 | 2025.10.20 Bochnicka, Vladimir (14943450) (2347) | 0 | 83.20% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.06.21 | Icelandic Open 2025 | 9.8 | 2025.06.21 Barthel, Ansgar (4643461) (2042) | 1 | 97.10% | 1. e4 Nf6 2. e5 Nd5 3. d4 d6 | |
| 2025.06.20 | Icelandic Open 2025 | 8.4 | 2025.06.20 Thorfinnsson, Bragi (2300958) (2354) | 0 | 90.10% | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 | |
| 2025.06.20 | Icelandic Open 2025 | 1.10 | 2025.06.20 Hermannsson, Sigurbjorn (2325128) (1840) | 1 | - | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | |
| 2025.06.19 | Icelandic Open 2025 | 7.7 | 2025.06.19 Ragnarsson, Heimir Pall (2308860) (1769) | 1 | 94.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.06.19 | Icelandic Open 2025 | 6.9 | 2025.06.19 Omarsson, Josef (2316102) (2030) | ½ | - | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2025.06.18 | Icelandic Open 2025 | 5.8 | 2025.06.18 Birkisson, Bjorn Holm (2310600) (2128) | 1 | - | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.06.18 | Icelandic Open 2025 | 4.8 | 2025.06.18 Omarsson, Adam (2311453) (2123) | 0 | - | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2025.06.17 | Icelandic Open 2025 | 3.3 | 2025.06.17 Stefansson, Hannes (2300087) (2424) | 0 | - | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2025.06.16 | Icelandic Open 2025 | 2.8 | 2025.06.16 Thorisson, Benedikt (2314576) (2069) | 1 | 97.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.04.13 | Reykjavik Open 2025 | 7.30 | 2025.04.13 Cramling Bellon, Anna (32009232) (2046) | 1 | 98.10% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.04.10 | Reykjavik Open 2025 | 2.7 | 2025.04.10 Gupta, Abhijeet (5010608) (2576) | 0 | 89.00% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2024.03.16 | Reykjavik Open 2024 | 3.31 | 2024.03.16 Can, Emre (6302181) (2551) | 0 | 91.80% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2024.03.16 | Reykjavik Open 2024 | 2.11 | 2024.03.16 Adhiban, B. (5018471) (2541) | ½ | 93.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2023.04.03 | Reykjavik Open 2023 | 8.16 | 2023.04.03 Stefansson, Hannes (2300087) (2510) | 0 | 91.10% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2023.04.02 | Reykjavik Open 2023 | 7.40 | 2023.04.02 Tulendinov, Dinmukhammed (13730860) (2048) | 1 | 93.60% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2023.03.30 | Reykjavik Open 2023 | 3.30 | 2023.03.30 Mardov, Dimitar (30919495) (2445) | 0 | 90.00% | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 | |
| 2023.03.30 | Reykjavik Open 2023 | 2.17 | 2023.03.30 Dvirnyy, Danyyil (817570) (2531) | ½ | 97.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2023.03.19 | Icelandic Team Championship | 10 | 2023.03.19 Briem, Benedikt (2315432) (2208) | 1 | 92.00% | 1. e4 e6 2. d4 d5 3. Nc3 Be7 | |
| 2023.03.18 | Icelandic Team Championship | 9 | 2023.03.18 Johannesson, Ingvar Thor (2301490) (2319) | 0 | 80.60% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2023.03.18 | Icelandic Team Championship | 8 | 2023.03.18 Viglundsson, Bjorgvin (2300400) (2205) | 1 | 86.30% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2023.03.17 | Icelandic Team Championship | 7 | 2023.03.17 Tan, Justin (3206882) (2503) | 0 | 81.50% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | |
| ????.??.?? | Icelandic Team Championship | 5.7 | ????.??.?? Sverrisson, Nokkvi (2304376) (2052) | 1 | 94.80% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| ????.??.?? | Icelandic Team Championship | 4.7 | ????.??.?? Kristinsson, Baldur (1404679) (2169) | ½ | 88.00% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | |
| ????.??.?? | Icelandic Team Championship | 3.7 | ????.??.?? Kjartansson, David (2301130) (2287) | 1 | 96.70% | 1. e4 d6 2. d4 Nf6 3. Nc3 e5 | |
| ????.??.?? | Icelandic Team Championship | 2.7 | ????.??.?? Johannesson, Ingvar Thor (2301490) (2313) | 1 | 93.30% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| ????.??.?? | Icelandic Team Championship | 1.7 | ????.??.?? Prudnikov, Andrey (14132907) (2094) | 1 | 97.50% | 1. e4 c5 2. Nf3 Nf6 3. Nc3 e6 |