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Carneiro Da Fonseca, Rafael Ryba

Standard: 1671 Rapid: 1813 Blitz: 1749 (last updated 2026-10-02)
FIDE ID: 538019442 (view FIDE profile)
Federation: BRA Sex: M Birth Year: 2011 Age: 15
Title: — Women's title: — Other title: — FOA title: —
Games: 9 Wins: 2 (22%) Draws: 2 (22%) Losses: 5 (56%)
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Dossier

8 of 9 games analyzed.

Accuracy: 83.3%
Opened d4: 4/4
Castled kingside: 8Same-side castling: 7Opposite-side castling: 1
Fianchettoed queenside: 4Played on the kingside: 3Played on the queenside: 2Played in the center: 1
Space advantage: 7Sacrificed material: 7Kept the bishop pair: 6Isolated pawn: 5Backward pawn: 5Missed tactics: 5Active pieces: 4Initiated exchanges: 3Avoided exchanges: 3
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Openings

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As White 4 games 1W 1D 2L
Queen's Pawn Game 2 games 0W 0D 2L
Zukertort Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Colle System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Yusupov-Rubinstein System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Pseudo Queen's Indian Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
As Black 5 games 1W 1D 3L
Queen's Pawn Game 4 games 1W 1D 2L
London System 3 games 1W 0D 2L
(unspecified) 3 games 1W 0D 2L
Colle System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Slav Defense 1 game 0W 0D 1L
Exchange Variation 1 game 0W 0D 1L
Symmetrical Line 1 game 0W 0D 1L
Blunders Top 4 of 54

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

2026.07.04 · 21... Be7 (−60.6% win chance) 1-0
Carneiro Da Fonseca, Rafael Ryba
Cubas, Jose Fernando Pedroso
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2026.04.20 · 44. Qe2 (−48.4% win chance) 1/2-1/2
Ruiz, Frayson Nycolas Rodrigues
Carneiro Da Fonseca, Rafael Ryba
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2026.04.19 · 52... Kxh4 (−46.2% win chance) 1/2-1/2
Carneiro Da Fonseca, Rafael Ryba
Carvalho Jr, Carlos A. Rezende de
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2026.04.20 · 43. Qe3 (−45.3% win chance) 1/2-1/2
Ruiz, Frayson Nycolas Rodrigues
Carneiro Da Fonseca, Rafael Ryba
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Games Showing all 9 games
Date Event Round Color Opponent Result Accuracy % First moves