Player profile

Nielsen, Viktor Haarmark

Standard: 2419 Rapid: 2364 Blitz: 2325 (last updated 2026-11-02)
FIDE ID: 1444492 (view FIDE profile)
Federation: DEN Sex: M Birth Year: 1997 Age: 29
Title: IM Women's title: — Other title: — FOA title: —
Games: 163 Wins: 62 (38%) Draws: 52 (32%) Losses: 48 (29%) Other: 1
Dossier

160 of 163 games analyzed.

Accuracy: 92.9%
Opened d4: 39/59Opened c4: 10/59Opened e4: 8/59Opened Nf3: 2/59
Castled kingside: 90Same-side castling: 80Did not castle: 15Opposite-side castling: 8Castled queenside: 7
Fianchettoed kingside: 51Played in the center: 36Fianchettoed queenside: 29Played on the queenside: 27Played on the kingside: 19
Active pieces: 83Initiated exchanges: 78Sacrificed material: 73Isolated pawn: 66Space advantage: 64Kept the bishop pair: 61Backward pawn: 59Avoided exchanges: 16Played gambits: 15Missed tactics: 15
Openings

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As White 59 games 31W 16D 12L
Catalan Opening 16 games 10W 4D 2L
Open Defense 9 games 6W 3D 0L
(unspecified) 7 games 5W 2D 0L
Classical Line 2 games 1W 1D 0L
Closed 4 games 2W 1D 1L
(unspecified) 3 games 2W 0D 1L
Botvinnik Variation 1 game 0W 1D 0L
(unspecified) 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Tarrasch Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Slav Defense 7 games 1W 3D 3L
Quiet Variation 6 games 1W 3D 2L
Schallopp Defense 5 games 1W 3D 1L
Pin Defense 1 game 0W 0D 1L
Geller Gambit 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Indian Defense 6 games 0W 4D 2L
Anti-Nimzo-Indian 6 games 0W 4D 2L
(unspecified) 6 games 0W 4D 2L
English Opening 5 games 3W 0D 2L
King's English Variation 5 games 3W 0D 2L
Four Knights Variation, Fianchetto Line 2 games 1W 0D 1L
Four Knights Variation, Fianchetto Line, with Nb6 1 game 1W 0D 0L
Kramnik-Shirov Counterattack 1 game 0W 0D 1L
Adhiban Gambit 1 game 1W 0D 0L
Queen's Gambit Declined 4 games 3W 1D 0L
Ragozin Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Barmen Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Tarrasch Defense 1 game 1W 0D 0L
Pseudo-Tarrasch 1 game 1W 0D 0L
King's Indian Defense 3 games 3W 0D 0L
Orthodox Variation 3 games 3W 0D 0L
Gligoric-Taimanov System 2 games 2W 0D 0L
Glek Defense 1 game 1W 0D 0L
Sicilian Defense 3 games 2W 0D 1L
Godiva Variation 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Prins Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Ruy Lopez 3 games 2W 1D 0L
Closed 2 games 1W 1D 0L
Martinez Variation 2 games 1W 1D 0L
Morphy Defense 1 game 1W 0D 0L
Modern Steinitz Defense, Fianchetto Variation 1 game 1W 0D 0L
Bogo-Indian Defense 2 games 1W 1D 0L
Retreat Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Nimzowitsch Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Blumenfeld Countergambit Accepted 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Indian Defense 1 game 0W 0D 1L
Fianchetto Variation 1 game 0W 0D 1L
Kramnik Variation 1 game 0W 0D 1L
Queen's Gambit Accepted 1 game 0W 1D 0L
Classical Defense 1 game 0W 1D 0L
Steinitz Variation, Development Variation 1 game 0W 1D 0L
Benoni Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Benko Gambit Accepted 1 game 1W 0D 0L
Modern Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Pirc Defense 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
Quiet System 1 game 0W 1D 0L
Caro-Kann Defense 1 game 0W 0D 1L
Endgame Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Dutch Defense 1 game 1W 0D 0L
Stonewall Variation 1 game 1W 0D 0L
Modern Variation 1 game 1W 0D 0L
Zukertort Opening 1 game 1W 0D 0L
Lisitsyn Gambit Deferred 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Grünfeld Defense 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
As Black 56 games 18W 19D 19L
Sicilian Defense 13 games 5W 3D 5L
Accelerated Dragon 5 games 2W 1D 2L
Modern Bc4 Variation 3 games 1W 1D 1L
Maróczy Bind 2 games 1W 0D 1L
Hyperaccelerated Dragon 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
French Variation 2 games 0W 1D 1L
(unspecified) 1 game 0W 0D 1L
Westerinen Attack 1 game 0W 1D 0L
Taimanov Variation 2 games 2W 0D 0L
Bastrikov Variation 2 games 2W 0D 0L
Alapin Variation 1 game 0W 0D 1L
Barmen Defense 1 game 0W 0D 1L
Closed 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
English Opening 7 games 0W 5D 2L
Agincourt Defense 5 games 0W 4D 1L
Catalan Defense Accepted 4 games 0W 3D 1L
Neo-Catalan Declined 1 game 0W 1D 0L
Symmetrical Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Mikenas-Carls Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Italian Game 6 games 3W 1D 2L
Two Knights Defense 4 games 2W 1D 1L
Modern Bishop's Opening 3 games 1W 1D 1L
Polerio Defense, Bishop Check Line 1 game 1W 0D 0L
Deutz Gambit 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Giuoco Piano 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Ruy Lopez 5 games 2W 1D 2L
Closed 3 games 1W 1D 1L
Martinez Variation 1 game 0W 1D 0L
Breyer Defense, Zaitsev Hybrid 1 game 0W 0D 1L
Chigorin Defense 1 game 1W 0D 0L
Morphy Defense 2 games 1W 0D 1L
Neo-Arkhangelsk Variation 1 game 0W 0D 1L
Anderssen Variation 1 game 1W 0D 0L
Queen's Gambit Declined 4 games 0W 4D 0L
Semi-Tarrasch Defense 3 games 0W 3D 0L
Exchange Variation 3 games 0W 3D 0L
Queen's Knight Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Pawn Game 3 games 1W 0D 2L
London System 3 games 1W 0D 2L
with e6 2 games 1W 0D 1L
(unspecified) 1 game 0W 0D 1L
Semi-Slav Defense 3 games 1W 0D 2L
Hastings Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Anti-Moscow Gambit 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Moscow Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Scotch Game 3 games 0W 1D 2L
Mieses Variation 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Classical Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Nimzo-Indian Defense 2 games 0W 1D 1L
Classical Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Three Knights Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Slav Indian 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Zukertort Opening 1 game 0W 1D 0L
Sicilian Invitation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Torre Attack 1 game 0W 1D 0L
Classical Defense 1 game 0W 1D 0L
Petrosian Gambit 1 game 0W 1D 0L
Nimzo-Larsen Attack 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Four Knights Game 1 game 1W 0D 0L
Scotch Variation Accepted 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Bishop's Opening 1 game 1W 0D 0L
Boden-Kieseritzky Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Benko Gambit Accepted 1 game 1W 0D 0L
Fully Accepted Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Knight Opening 1 game 0W 1D 0L
Normal Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Catalan Opening 1 game 1W 0D 0L
Open Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Blunders Top 4 of 529

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

2026.04.02 · 134... Kf4 (−47.5% win chance) 1/2-1/2
Nielsen, Viktor Haarmark
Borge, Nikolaj
View game
2023.05.14 · 33... Rc6 (−47.5% win chance) 0-1
Nielsen, Viktor Haarmark
Jarlskov, Daniel Tuk Hartso
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2023.05.14 · 29. Rxe4 (−47.1% win chance) 0-1
Hansen, Jacob Ost
Nielsen, Viktor Haarmark
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2023.05.14 · 47. Qxe2 (−45% win chance) 1-0
Pedersen, Jan Nordenbaek
Nielsen, Viktor Haarmark
View game
Games Showing all 163 games
Date Event Round Color Opponent Result Accuracy % First moves