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Player profile

Goni Sierro, Jon

Standard: 2129 Rapid: 1947 Blitz: 1992 (last updated 2026-11-02)
FIDE ID: 54736218 (view FIDE profile)
Federation: ESP Sex: M Birth Year: 2012 Age: 14
Title: — Women's title: — Other title: — FOA title: —
Games: 46 Wins: 24 (52%) Draws: 12 (26%) Losses: 10 (22%)
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Dossier

46 of 46 games analyzed.

Accuracy: 89.8%
Opened e4: 8/14Opened d4: 5/14Opened Nf3: 1/14
Castled kingside: 21Same-side castling: 21Castled queenside: 5Opposite-side castling: 3Did not castle: 2
Played on the queenside: 12Played in the center: 10Fianchettoed kingside: 8Fianchettoed queenside: 4Played on the kingside: 3
Space advantage: 21Active pieces: 20Initiated exchanges: 19Sacrificed material: 18Kept the bishop pair: 15Backward pawn: 14Missed tactics: 11Isolated pawn: 8Avoided exchanges: 8Played gambits: 2
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Openings

Click "+" to add that group to the games list below. Multiple groups can be added at once.

As White 14 games 4W 6D 4L
French Defense 3 games 2W 1D 0L
Classical Variation 1 game 0W 1D 0L
Steinitz Variation 1 game 0W 1D 0L
Winawer Variation 1 game 1W 0D 0L
Alekhine-Maróczy Gambit 1 game 1W 0D 0L
Rubinstein Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Sicilian Defense 2 games 0W 2D 0L
Scheveningen Variation 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
Dragon Variation 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
Slav Defense 1 game 0W 0D 1L
Czech Variation 1 game 0W 0D 1L
Classical System, Main Line 1 game 0W 0D 1L
Queen's Indian Accelerated 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
King's Indian Defense 1 game 1W 0D 0L
Makogonov Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Grünfeld Defense 1 game 0W 1D 0L
Exchange Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Petrov's Defense 1 game 1W 0D 0L
Stafford Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Gambit Declined 1 game 0W 1D 0L
Traditional Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's Indian Attack, with Bf5 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Italian Game 1 game 0W 1D 0L
Two Knights Defense 1 game 0W 1D 0L
Modern Bishop's Opening 1 game 0W 1D 0L
Caro-Kann Defense 1 game 0W 0D 1L
Breyer Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 14 games 9W 3D 2L
Sicilian Defense 8 games 5W 1D 2L
Alapin Variation 3 games 2W 1D 0L
Barmen Defense 2 games 1W 1D 0L
(unspecified) 1 game 1W 0D 0L
Kan Variation 2 games 1W 0D 1L
Maróczy Bind, Réti Variation 1 game 0W 0D 1L
Knight Variation 1 game 1W 0D 0L
Modern Variations 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Taimanov Variation 1 game 0W 0D 1L
Bastrikov Variation 1 game 0W 0D 1L
Closed 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Slav Defense 3 games 1W 2D 0L
Exchange Variation 2 games 0W 2D 0L
(unspecified) 2 games 0W 2D 0L
Czech Variation 1 game 1W 0D 0L
Dutch Variation 1 game 1W 0D 0L
Caro-Kann Defense 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
London System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Neo-Grünfeld Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
Modern Defense 1 game 1W 0D 0L
Blunders Top 4 of 282

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

2023.07.16 · 24... Rh5 (−56% win chance) 1-0
Goni Sierro, Jon
Ibanez Koblash, Daniel
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2024.07.14 · 42... Ne4 (−50.3% win chance) 1-0
Goni Sierro, Jon
Macias Verano, Jose Maria
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2024.07.14 · 37... Qc7 (−41.2% win chance) 1-0
Goni Sierro, Jon
Galvez Ruiz, Antonio
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2023.07.10 · 20... d5 (−40% win chance) 0-1
Goni Sierro, Jon
Kozlova, Ekaterina I
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View blunders & mistakes
Games Showing all 46 games
Date Event Round Color Opponent Result Accuracy % First moves