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Player profile

Thorhallsson, Simon

Standard: 2214 Rapid: 2223 Blitz: 2349 (last updated 2026-11-02)
FIDE ID: 2310090 (view FIDE profile)
Federation: ISL Sex: M Birth Year: 1999 Age: 27
Title: FM Women's title: — Other title: — FOA title: —
Games: 31 Wins: 13 (42%) Draws: 4 (13%) Losses: 14 (45%)
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Dossier

25 of 31 games analyzed.

Accuracy: 89.1%
Opened d4: 3/8Opened e4: 2/8Opened g3: 1/8Opened Nf3: 1/8Opened b3: 1/8
Same-side castling: 17Castled kingside: 16Castled queenside: 2Did not castle: 1Opposite-side castling: 1
Fianchettoed kingside: 9Played in the center: 7Fianchettoed queenside: 5Played on the kingside: 3Played on the queenside: 2
Sacrificed material: 14Space advantage: 13Active pieces: 13Kept the bishop pair: 13Initiated exchanges: 12Backward pawn: 10Isolated pawn: 7Missed tactics: 6Avoided exchanges: 3Played gambits: 3
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Openings

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As White 12 games 5W 1D 6L
Caro-Kann Defense 2 games 1W 0D 1L
Tartakower Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Defense 2 games 1W 0D 1L
Sämisch Variation 1 game 0W 0D 1L
Normal Defense 1 game 0W 0D 1L
Fianchetto Variation 1 game 1W 0D 0L
Yugoslav Variation, Rare Line 1 game 1W 0D 0L
Sicilian Defense 2 games 1W 1D 0L
Alapin Variation 1 game 0W 1D 0L
Barmen Defense 1 game 0W 1D 0L
Richter-Rauzer Variation 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
Hungarian Opening 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Neo-Grünfeld Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
Original Defense 1 game 0W 0D 1L
Catalan Opening 1 game 1W 0D 0L
Closed 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Old Indian Defense 1 game 0W 0D 1L
Ukrainian Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Nimzo-Larsen Attack 1 game 0W 0D 1L
Indian Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Pawn Game 1 game 1W 0D 0L
Colle System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
As Black 13 games 5W 2D 6L
Trompowsky Attack 2 games 0W 0D 2L
(unspecified) 2 games 0W 0D 2L
(unspecified) 2 games 0W 0D 2L
Queen's Indian Defense 2 games 1W 0D 1L
Fianchetto Variation 2 games 1W 0D 1L
Check Variation, Intermezzo Line 2 games 1W 0D 1L
Pirc Defense 2 games 2W 0D 0L
Classical Variation 2 games 2W 0D 0L
Quiet System, Chigorin Line 1 game 1W 0D 0L
Quiet System 1 game 1W 0D 0L
English Opening 2 games 1W 0D 1L
Symmetrical Variation 1 game 0W 0D 1L
Three Knights, Fianchetto Variation 1 game 0W 0D 1L
Anglo-Indian Defense 1 game 1W 0D 0L
King's Knight Variation 1 game 1W 0D 0L
King's Indian Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Bogo-Indian Defense 1 game 0W 1D 0L
Nimzowitsch Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Sicilian Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
London System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Pawn Game 1 game 0W 0D 1L
London System 1 game 0W 0D 1L
with e6 1 game 0W 0D 1L
Blunders Top 4 of 104

This player's costliest moves in analyzed games. Can you find the winning move?

2025.11.16 · 29... Qf1+ (−40% win chance) 1-0
Thorhallsson, Simon
Chasin, Nico
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2026.03.06 · 35. a4 (−35.4% win chance) 0-1
Johannsson, Birkir Isak
Thorhallsson, Simon
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????.??.?? · 20... Bb7 (−33.1% win chance) 1-0
Thorhallsson, Simon
Thorgeirsson, Jon Kristinn
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2025.11.15 · 31... f4 (−31.6% win chance) 1-0
Thorhallsson, Simon
Williams, Simon K
View game
View blunders & mistakes
Games Showing all 31 games
Date Event Round Color Opponent Result Accuracy % First moves