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Rosa, Jefferson Luiz

Standard: 1585 Rapid: 1584 Blitz: 1642 (last updated 2026-11-02)
FIDE ID: 22724940 (view FIDE profile)
Federation: BRA Sex: M Birth Year: 1966 Age: 60
Title: — Women's title: — Other title: — FOA title: —
Games: 5 Wins: 0 (0%) Draws: 1 (20%) Losses: 4 (80%)
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Dossier

5 of 5 games analyzed.

Accuracy: 82.3%
Opened e4: 2/2
Castled kingside: 5Same-side castling: 4Opposite-side castling: 1
Played on the queenside: 3Fianchettoed kingside: 2Fianchettoed queenside: 1Played in the center: 1Played on the kingside: 1
Active pieces: 4Initiated exchanges: 3Missed tactics: 3Backward pawn: 3Isolated pawn: 2Space advantage: 2Kept the bishop pair: 1Avoided exchanges: 1Sacrificed material: 1
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Openings

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As White 2 games 0W 0D 2L
Sicilian Defense 2 games 0W 0D 2L
French Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Hyperaccelerated Dragon 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 3 games 0W 1D 2L
Sicilian Defense 1 game 0W 0D 1L
Sozin Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
English Opening 1 game 0W 0D 1L
Anglo-Indian Defense 1 game 0W 0D 1L
Queen's Knight Variation 1 game 0W 0D 1L
East Indian Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Blunders Top 4 of 37

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

2026.06.29 · 41... Rd2+ (−44.8% win chance) 1/2-1/2
Rosa, Jefferson Luiz
Santana, Expedito
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2026.06.29 · 45... Rh2 (−43.6% win chance) 1/2-1/2
Rosa, Jefferson Luiz
Santana, Expedito
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2026.06.29 · 43... Ra2 (−43.5% win chance) 1/2-1/2
Rosa, Jefferson Luiz
Santana, Expedito
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2026.07.04 · 31. Qb3 (−39.5% win chance) 0-1
Chahuaylla, Joyce A Chahuares
Rosa, Jefferson Luiz
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Games Showing all 5 games
Date Event Round Color Opponent Result Accuracy % First moves