Player profile

Quiros Fernandez, Dereck

Standard: 1763 Rapid: 1559 Blitz: 1624 (last updated 2026-10-02)
FIDE ID: 6562876 (view FIDE profile)
Federation: CRC Sex: M Birth Year: 2006 Age: 20
Title: — Women's title: — Other title: — FOA title: —
Games: 11 Wins: 2 (18%) Draws: 2 (18%) Losses: 7 (64%)
Dossier

8 of 11 games analyzed.

Accuracy: 83.2%
Opened e4: 3/3
Castled kingside: 6Same-side castling: 5Did not castle: 1Opposite-side castling: 1Castled queenside: 1
Played in the center: 3Played on the queenside: 2Fianchettoed queenside: 1Played on the kingside: 1
Avoided exchanges: 5Sacrificed material: 5Isolated pawn: 4Missed tactics: 4Space advantage: 3Active pieces: 3Backward pawn: 2Played gambits: 2Kept the bishop pair: 1Initiated exchanges: 1
Openings

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As White 5 games 1W 2D 2L
Sicilian Defense 4 games 1W 2D 1L
Alapin Variation 3 games 1W 1D 1L
Smith-Morra Declined 2 games 0W 1D 1L
Barmen Defense 1 game 1W 0D 0L
Delayed Alapin Variation 1 game 0W 1D 0L
with d6 1 game 0W 1D 0L
Scotch Game 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 6 games 1W 0D 5L
Scandinavian Defense 3 games 1W 0D 2L
Marshall Variation 2 games 0W 0D 2L
(unspecified) 2 games 0W 0D 2L
Richter Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Slav Defense 2 games 0W 0D 2L
(unspecified) 2 games 0W 0D 2L
(unspecified) 2 games 0W 0D 2L
Queen's Pawn Game 1 game 0W 0D 1L
Torre Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 53

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

2025.12.29 · 53. Rb2 (−43% win chance) 1/2-1/2
Rojas Vindas, Emmanuel de Jesus
Quiros Fernandez, Dereck
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2025.12.29 · 51. Kf3 (−36.7% win chance) 1/2-1/2
Rojas Vindas, Emmanuel de Jesus
Quiros Fernandez, Dereck
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2024.12.28 · 20... Qb6 (−35.4% win chance) 1-0
Quiros Fernandez, Dereck
Rodriguez, Cristian A.
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2025.12.30 · 29. h4 (−33.4% win chance) 0-1
Mata Tencio, Randall
Quiros Fernandez, Dereck
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Games Showing all 11 games
Date Event Round Color Opponent Result Accuracy % First moves