Player profile

Deuer, Marius

Standard: 2507 Rapid: 2436 Blitz: 2516 (last updated 2026-11-02)
FIDE ID: 16236432 (view FIDE profile)
Federation: GER Sex: M Birth Year: 2008 Age: 18
Title: GM Women's title: — Other title: — FOA title: —
Games: 314 Wins: 126 (40%) Draws: 115 (37%) Losses: 69 (22%) Other: 4
Dossier

292 of 314 games analyzed.

Accuracy: 92.2%
Opened d4: 98/118Opened Nf3: 12/118Opened c4: 5/118Opened e4: 2/118Opened f3: 1/118
Castled kingside: 196Same-side castling: 178Did not castle: 27Opposite-side castling: 24Castled queenside: 15
Played on the queenside: 83Fianchettoed kingside: 69Played in the center: 68Fianchettoed queenside: 53Played on the kingside: 46
Active pieces: 168Initiated exchanges: 153Space advantage: 146Kept the bishop pair: 135Sacrificed material: 135Backward pawn: 134Isolated pawn: 129Avoided exchanges: 46Missed tactics: 31Played gambits: 21
Openings

Click "+" to add that group to the games list below. Multiple groups can be added at once.

As White 125 games 57W 42D 25L
Nimzo-Indian Defense 31 games 10W 13D 8L
Normal Variation 13 games 5W 5D 3L
Classical Defense 5 games 1W 2D 2L
(unspecified) 5 games 3W 2D 0L
Gligoric System, Exchange Variation 2 games 0W 1D 1L
Botvinnik System 1 game 1W 0D 0L
Rubinstein System 6 games 1W 2D 3L
(unspecified) 3 games 1W 1D 1L
Rubinstein Variation 2 games 0W 1D 1L
Taimanov Variation 1 game 0W 0D 1L
Reshevsky Variation 5 games 2W 3D 0L
(unspecified) 5 games 2W 3D 0L
St. Petersburg Variation 3 games 2W 1D 0L
(unspecified) 1 game 0W 1D 0L
American Variation 1 game 1W 0D 0L
Fischer Variation 1 game 1W 0D 0L
Three Knights Variation 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Simagin Variation 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Queen's Gambit Declined 22 games 10W 6D 6L
Exchange Variation 12 games 4W 4D 4L
Positional Variation 8 games 3W 4D 1L
Carlsen Variation 3 games 1W 0D 2L
(unspecified) 1 game 0W 0D 1L
Tarrasch Defense 2 games 1W 0D 1L
Pseudo-Tarrasch 1 game 1W 0D 0L
(unspecified) 1 game 0W 0D 1L
Queen's Knight Variation 2 games 0W 2D 0L
(unspecified) 2 games 0W 2D 0L
Charousek Variation 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
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
Austrian Defense 1 game 1W 0D 0L
Gusev Countergambit 1 game 1W 0D 0L
Harrwitz Attack 1 game 1W 0D 0L
Fianchetto Defense 1 game 1W 0D 0L
King's Indian Defense 17 games 9W 5D 3L
Fianchetto Variation 17 games 9W 5D 3L
Immediate Fianchetto 6 games 3W 2D 1L
Panno Variation 3 games 2W 1D 0L
Yugoslav Variation, Advance Line 2 games 1W 1D 0L
Carlsbad Variation 2 games 1W 0D 1L
Yugoslav Variation, Rare Line 2 games 2W 0D 0L
Delayed Fianchetto 1 game 0W 1D 0L
Long Variation 1 game 0W 0D 1L
Neo-Grünfeld Defense 7 games 3W 3D 1L
Classical Variation 3 games 0W 2D 1L
Original Defense 3 games 0W 2D 1L
with g3 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Ultra-Delayed Exchange Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Exchange Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
? 6 games 1W 3D 1L
(unspecified) 6 games 1W 3D 1L
(unspecified) 6 games 1W 3D 1L
English Opening 5 games 4W 1D 0L
Symmetrical Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Mikenas-Carls Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Agincourt Defense 1 game 1W 0D 0L
Wimpy System 1 game 1W 0D 0L
Anglo-Indian Defense 1 game 1W 0D 0L
Flohr-Mikenas-Carls Variation, Nei Gambit 1 game 1W 0D 0L
Slav Defense 5 games 2W 2D 1L
Modern Line 5 games 2W 2D 1L
(unspecified) 5 games 2W 2D 1L
Zukertort Opening 5 games 3W 1D 1L
(unspecified) 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Kingside Fianchetto 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Quiet System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Nimzo-Larsen Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Pawn Game 5 games 4W 0D 1L
Colle System 2 games 1W 0D 1L
(unspecified) 1 game 1W 0D 0L
Anti-Colle 1 game 0W 0D 1L
Modern Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Chigorin Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Symmetrical Variation 1 game 1W 0D 0L
Pseudo-Catalan 1 game 1W 0D 0L
Queen's Gambit Accepted 5 games 3W 1D 1L
Alekhine Defense 2 games 1W 1D 0L
Haberditz Variation 1 game 0W 1D 0L
(unspecified) 1 game 1W 0D 0L
Janowski-Larsen Variation 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Classical Defense 1 game 1W 0D 0L
Steinitz Variation, Development Variation 1 game 1W 0D 0L
Benoni Defense 3 games 2W 1D 0L
Fianchetto Variation 3 games 2W 1D 0L
(unspecified) 3 games 2W 1D 0L
Tarrasch Defense 2 games 0W 2D 0L
Dubov Tarrasch 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Symmetrical Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Semi-Slav Defense 2 games 1W 1D 0L
Chigorin Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Stoltz Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Indian Defense 2 games 0W 1D 1L
Wade-Tartakower Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Normal 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
Caro-Kann Defense 1 game 0W 1D 0L
Advance Variation 1 game 0W 1D 0L
Bayonet Attack 1 game 0W 1D 0L
Bogo-Indian Defense 1 game 1W 0D 0L
Grünfeld Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
English Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Indian Defense, with e3 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Benko Gambit Declined 1 game 1W 0D 0L
Main Line 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
Kangaroo Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
As Black 127 games 45W 51D 29L
Caro-Kann Defense 52 games 16W 25D 11L
Advance Variation 28 games 9W 15D 4L
Tal Variation 13 games 6W 5D 2L
Botvinnik-Carls Defense 7 games 1W 6D 0L
Short Variation 4 games 1W 1D 2L
(unspecified) 2 games 1W 1D 0L
Bayonet Attack 1 game 0W 1D 0L
Van der Wiel Attack 1 game 0W 1D 0L
Tartakower Variation 8 games 2W 4D 2L
(unspecified) 8 games 2W 4D 2L
Exchange Variation 6 games 2W 2D 2L
(unspecified) 6 games 2W 2D 2L
Two Knights Attack 5 games 1W 3D 1L
(unspecified) 3 games 1W 1D 1L
Mindeno Variation, Exchange Line 2 games 0W 2D 0L
Maróczy Variation 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Accelerated Panov Attack 1 game 0W 0D 1L
Modern Variation 1 game 0W 0D 1L
Breyer Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
English Opening 22 games 4W 10D 8L
Symmetrical Variation 13 games 2W 6D 5L
Rubinstein Variation 4 games 1W 1D 2L
Anti-Benoni Variation, Spielmann Defense 3 games 1W 1D 1L
(unspecified) 2 games 0W 2D 0L
Four Knights Variation 2 games 0W 1D 1L
Fianchetto Variation 1 game 0W 1D 0L
Anti-Benoni Variation, Geller Variation 1 game 0W 0D 1L
Anglo-Indian Defense 6 games 1W 3D 2L
King's Knight Variation 3 games 1W 2D 0L
King's Indian Formation, Double Fianchetto 2 games 0W 1D 1L
Nimzo-English 1 game 0W 0D 1L
Agincourt Defense 2 games 1W 1D 0L
(unspecified) 1 game 1W 0D 0L
Catalan Defense Accepted 1 game 0W 1D 0L
Neo-Catalan 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Indian Defense 7 games 2W 3D 2L
Fianchetto Variation 5 games 1W 3D 1L
Nimzowitsch Variation 3 games 1W 1D 1L
Check Variation, Intermezzo Line 2 games 0W 2D 0L
Kasparov-Petrosian Variation 1 game 1W 0D 0L
Hedgehog Variation 1 game 1W 0D 0L
Miles Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Gambit Declined 6 games 2W 3D 1L
Exchange Variation 5 games 2W 2D 1L
Positional Variation 3 games 1W 2D 0L
Sämisch Variation 1 game 0W 0D 1L
(unspecified) 1 game 1W 0D 0L
Semi-Tarrasch Defense 1 game 0W 1D 0L
Exchange Variation 1 game 0W 1D 0L
Modern Defense 6 games 4W 1D 1L
(unspecified) 4 games 3W 1D 0L
(unspecified) 4 games 3W 1D 0L
Standard Line 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Queen's Pawn Game 4 games 2W 1D 1L
London System 4 games 2W 1D 1L
(unspecified) 4 games 2W 1D 1L
Bogo-Indian Defense 4 games 2W 1D 1L
Retreat Variation 4 games 2W 1D 1L
(unspecified) 4 games 2W 1D 1L
? 4 games 3W 0D 1L
(unspecified) 4 games 3W 0D 1L
(unspecified) 4 games 3W 0D 1L
Nimzo-Indian Defense 4 games 1W 1D 1L
Classical Variation 1 game 1W 0D 0L
Keres Defense 1 game 1W 0D 0L
Simagin Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Spielmann Variation 1 game 0W 0D 0L
(unspecified) 1 game 0W 0D 0L
St. Petersburg Variation 1 game 0W 0D 1L
American Variation 1 game 0W 0D 1L
Zukertort Opening 4 games 0W 3D 0L
(unspecified) 3 games 0W 2D 0L
(unspecified) 3 games 0W 2D 0L
Nimzo-Larsen Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Indian Defense 2 games 1W 1D 0L
Knights Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Accelerated London System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Catalan Opening 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Nimzo-Larsen Attack 2 games 2W 0D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
English Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Pseudo Queen's Indian Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Attack, with e6 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Yusupov-Rubinstein System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Tarrasch Defense 1 game 0W 0D 1L
Symmetrical Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Ruy Lopez 1 game 1W 0D 0L
Closed 1 game 1W 0D 0L
Martinez Variation 1 game 1W 0D 0L
Italian Game 1 game 0W 1D 0L
Giuoco Pianissimo 1 game 0W 1D 0L
Italian Four Knights Variation 1 game 0W 1D 0L
Trompowsky Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Rapport-Jobava System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Blunders Top 4 of 826

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

2024.07.21 · 40. Bd7 (−66% win chance) 0-1
Rosen, Eric
Deuer, Marius
View game
2024.04.13 · 28. Bc5 (−64.5% win chance) 1-0
Trachtmann, Mark
Deuer, Marius
View game
2024.05.30 · 39... Rh6 (−60.2% win chance) 0-1
Deuer, Marius
Kantor, Gergely
View game
2025.05.24 · 37. Rxc5 (−49.8% win chance) 0-1
Knuedel, Torben
Deuer, Marius
View game
Games Showing all 314 games
Date Event Round Color Opponent Result Accuracy % First moves