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Pereira, Guillermo

Standard: 0 Rapid: 0 Blitz: 0 (last updated 2026-10-02)
FIDE ID: 3041484 (view FIDE profile)
Federation: URU Sex: M Birth Year: 2012 Age: 14
Title: — Women's title: — Other title: — FOA title: —
Games: 5 Wins: 1 (20%) Draws: 0 (0%) Losses: 4 (80%)
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Dossier

3 of 5 games analyzed.

Accuracy: 69.3%
Opened e4: 2/2
Castled kingside: 3Same-side castling: 2Opposite-side castling: 1
Played on the queenside: 1Played in the center: 1
Sacrificed material: 2Missed tactics: 2Backward pawn: 2Active pieces: 1Initiated exchanges: 1Isolated pawn: 1
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Openings

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As White 3 games 1W 0D 2L
Italian Game 2 games 1W 0D 1L
Two Knights Defense 2 games 1W 0D 1L
(unspecified) 1 game 0W 0D 1L
Knight Attack, Normal Variation 1 game 1W 0D 0L
Four Knights Game 1 game 0W 0D 1L
Italian Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 2 games 0W 0D 2L
King's Pawn Game 1 game 0W 0D 1L
King's Head Opening 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Ruy Lopez 1 game 0W 0D 1L
Morphy Defense 1 game 0W 0D 1L
Graz Variation 1 game 0W 0D 1L
Blunders Top 4 of 28

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

2026.08.15 · 27... Qxd1 (−95.1% win chance) 1-0
Pereira, Guillermo
Vadala, Noa
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2026.08.13 · 11. Bg5 (−39% win chance) 0-1
Sanchez George, Alondra
Pereira, Guillermo
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2026.08.14 · 10. Bd5 (−38.1% win chance) 0-1
Jarrin Zhang, Dominick Yong Heng
Pereira, Guillermo
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2026.08.15 · 15... Rac8 (−29.1% win chance) 1-0
Pereira, Guillermo
Vadala, Noa
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Games Showing all 5 games
Date Event Round Color Opponent Result Accuracy % First moves