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De Lera Fernandez, Ruben

Standard: 1732 Rapid: 1615 Blitz: 1706 (last updated 2026-11-02)
FIDE ID: 54799465 (view FIDE profile)
Federation: ESP Sex: M Birth Year: 2014 Age: 12
Title: — Women's title: — Other title: — FOA title: —
Games: 9 Wins: 1 (11%) Draws: 4 (44%) Losses: 3 (33%) Other: 1
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Dossier

6 of 9 games analyzed.

Accuracy: 90.1%
Opened e4: 2/2
Castled kingside: 6Same-side castling: 6
Played on the kingside: 3Played on the queenside: 2Played in the center: 1
Initiated exchanges: 4Backward pawn: 3Space advantage: 3Active pieces: 3Sacrificed material: 3Isolated pawn: 2Missed tactics: 2Avoided exchanges: 2Kept the bishop pair: 1
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Openings

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As White 3 games 1W 2D 0L
Caro-Kann Defense 1 game 0W 1D 0L
Advance Variation 1 game 0W 1D 0L
Botvinnik-Carls Defense 1 game 0W 1D 0L
French Defense 1 game 1W 0D 0L
Advance Variation 1 game 1W 0D 0L
Milner-Barry Gambit 1 game 1W 0D 0L
Sicilian Defense 1 game 0W 1D 0L
Löwenthal Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
As Black 5 games 0W 2D 3L
Petrov's Defense 2 games 0W 1D 1L
Classical Attack 1 game 0W 0D 1L
Chigorin Variation 1 game 0W 0D 1L
Modern Attack 1 game 0W 1D 0L
Center Variation 1 game 0W 1D 0L
Slav Defense 1 game 0W 0D 1L
Alekhine Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Bishop's Opening 1 game 0W 1D 0L
Boden-Kieseritzky Gambit 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Gambit Declined 1 game 0W 0D 1L
Exchange Variation 1 game 0W 0D 1L
Reshevsky Variation 1 game 0W 0D 1L
Blunders Top 4 of 26

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

2026.07.16 · 33... Rc8 (−41.1% win chance) 1/2-1/2
De Lera Fernandez, Ruben
Mc Dermott Perez-Arados, Ian
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2026.07.16 · 51... Kg4 (−24.1% win chance) 1/2-1/2
De Lera Fernandez, Ruben
Mc Dermott Perez-Arados, Ian
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2026.07.17 · 32. a4 (−16.9% win chance) 1/2-1/2
Roo Perez, Xoel
De Lera Fernandez, Ruben
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2026.07.17 · 27. Nc1 (−13.8% win chance) 1/2-1/2
Roo Perez, Xoel
De Lera Fernandez, Ruben
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View blunders & mistakes
Games Showing all 9 games
Date Event Round Color Opponent Result Accuracy % First moves