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Player profile

Roos, Louis

Standard: 2277 Rapid: 0 Blitz: 0 (last updated 2026-11-02)
FIDE ID: 600288 (view FIDE profile)
Federation: FRA Sex: M Birth Year: 1957 Age: 69
Title: IM Women's title: — Other title: — FOA title: —
Games: 103 Wins: 42 (41%) Draws: 45 (44%) Losses: 15 (15%) Other: 1
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Dossier

99 of 103 games analyzed.

Accuracy: 92.5%
Opened Nf3: 27/37Opened e4: 4/37Opened c4: 3/37Opened d4: 3/37
Castled kingside: 50Same-side castling: 50Did not castle: 9Castled queenside: 6Opposite-side castling: 5
Fianchettoed kingside: 31Played in the center: 24Fianchettoed queenside: 18Played on the kingside: 17Played on the queenside: 17
Active pieces: 53Space advantage: 46Backward pawn: 42Kept the bishop pair: 39Initiated exchanges: 38Sacrificed material: 35Isolated pawn: 28Avoided exchanges: 14Missed tactics: 13Played gambits: 6
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Openings

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As White 37 games 20W 13D 4L
English Opening 11 games 6W 4D 1L
Anglo-Indian Defense 5 games 1W 3D 1L
King's Knight Variation 3 games 0W 2D 1L
Hedgehog System 1 game 0W 1D 0L
King's Indian Formation 1 game 1W 0D 0L
Symmetrical Variation 3 games 3W 0D 0L
Three Knights, Fianchetto Variation 2 games 2W 0D 0L
Full Symmetry Line 1 game 1W 0D 0L
Agincourt Defense 1 game 0W 1D 0L
Keres Defense 1 game 0W 1D 0L
King's English Variation 1 game 1W 0D 0L
Taimanov Variation 1 game 1W 0D 0L
Anglo-Dutch Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Attack 8 games 4W 2D 2L
Symmetrical Defense 3 games 1W 1D 1L
(unspecified) 3 games 1W 1D 1L
(unspecified) 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Spassky Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Wahls Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Sicilian Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Zukertort Opening 4 games 4W 0D 0L
Queenside Fianchetto Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Reversed Grünfeld 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Pirc Invitation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Sicilian Invitation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Attack, with e6 3 games 1W 2D 0L
(unspecified) 3 games 1W 2D 0L
(unspecified) 3 games 1W 2D 0L
Bogo-Indian Defense 2 games 1W 1D 0L
Exchange Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Caro-Kann Defense 2 games 1W 1D 0L
Exchange Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Sicilian Defense 2 games 0W 1D 1L
Taimanov Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Najdorf Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Pawn Game 1 game 1W 0D 0L
Accelerated London System 1 game 1W 0D 0L
Steinitz Countergambit 1 game 1W 0D 0L
Pirc Defense 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
Quiet System, Chigorin Line 1 game 0W 1D 0L
Philidor Defense 1 game 1W 0D 0L
Lion Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Defense 1 game 1W 0D 0L
Orthodox Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Grünfeld Defense 1 game 0W 1D 0L
Three Knights Variation 1 game 0W 1D 0L
Petrosian System 1 game 0W 1D 0L
As Black 32 games 14W 14D 4L
French Defense 10 games 6W 3D 1L
King's Indian Attack 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Classical Variation 2 games 1W 0D 1L
Burn Variation, Morozevich Line 2 games 1W 0D 1L
Steinitz Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Tarrasch Variation 2 games 1W 1D 0L
Open System 2 games 1W 1D 0L
Advance Variation 1 game 1W 0D 0L
Euwe Variation 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
English Opening 5 games 2W 3D 0L
Symmetrical Variation 2 games 0W 2D 0L
Three Knights, Fianchetto Variation 2 games 0W 2D 0L
King's English Variation 1 game 1W 0D 0L
Reversed Closed Sicilian 1 game 1W 0D 0L
Agincourt Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Anglo-Indian Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Czech Defense 3 games 2W 1D 0L
(unspecified) 3 games 2W 1D 0L
(unspecified) 3 games 2W 1D 0L
Queen's Pawn Game 2 games 1W 1D 0L
London System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Zukertort Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Gambit Declined 2 games 0W 2D 0L
Lasker Defense 1 game 0W 1D 0L
Teichmann Variation 1 game 0W 1D 0L
Exchange Variation 1 game 0W 1D 0L
Positional Variation 1 game 0W 1D 0L
King's Indian Defense 2 games 1W 1D 0L
Orthodox Variation 2 games 1W 1D 0L
Glek Defense 1 game 0W 1D 0L
(unspecified) 1 game 1W 0D 0L
Slav Defense 1 game 0W 0D 1L
Quiet Variation 1 game 0W 0D 1L
Schallopp Defense 1 game 0W 0D 1L
Catalan Opening 1 game 0W 0D 1L
Closed 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Indian Defense 1 game 0W 1D 0L
Wade-Tartakower Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's Indian Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Sicilian Defense 1 game 1W 0D 0L
Closed 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Dutch Defense 1 game 0W 0D 1L
Stonewall Variation 1 game 0W 0D 1L
Modern Variation 1 game 0W 0D 1L
Pirc Defense 1 game 0W 1D 0L
150 Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Tarrasch Defense 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Blunders Top 4 of 335

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

2023.07.20 · 36. Bxf4 (−57.3% win chance) 1/2-1/2
Olesen, Poul Erik Norgaard
Roos, Louis
View game
2026.08.07 · 51. Kd3 (−47.5% win chance) 0-1
Lamorelle, Yves
Louis Roos
View game
2023.06.09 · 69. Qc4 (−47.5% win chance) 0-1
Guillaume Philippe
Louis Roos
View game
2023.07.14 · 28... Bc8 (−38.9% win chance) 1/2-1/2
Roos, Louis
Swierczewski, Marek
View game
View blunders & mistakes
Games Showing all 103 games
Date Event Round Color Opponent Result Accuracy % First moves