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Okuno, Rion

Standard: 2045 Rapid: 1921 Blitz: 2003 (last updated 2026-10-02)
FIDE ID: 7003730 (view FIDE profile)
Federation: JPN Sex: M Birth Year: 2008 Age: 18
Title: — Women's title: — Other title: — FOA title: —
Games: 38 Wins: 13 (34%) Draws: 10 (26%) Losses: 15 (39%)
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Dossier

36 of 38 games analyzed.

Accuracy: 90%
Opened e4: 16/16
Castled kingside: 29Same-side castling: 25Opposite-side castling: 4Did not castle: 3Castled queenside: 3
Played in the center: 12Played on the kingside: 9Fianchettoed queenside: 7Played on the queenside: 7Fianchettoed kingside: 5
Space advantage: 25Backward pawn: 23Active pieces: 23Sacrificed material: 23Kept the bishop pair: 20Initiated exchanges: 20Isolated pawn: 16Missed tactics: 11Avoided exchanges: 10Played gambits: 6
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Openings

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As White 18 games 8W 4D 6L
Sicilian Defense 6 games 2W 2D 2L
Kan Variation 2 games 1W 1D 0L
Polugaevsky Variation 1 game 1W 0D 0L
Modern Variation 1 game 0W 1D 0L
Najdorf Variation 1 game 0W 1D 0L
English Attack 1 game 0W 1D 0L
Taimanov Variation 1 game 0W 0D 1L
Bastrikov Variation, English Attack 1 game 0W 0D 1L
Accelerated Dragon 1 game 1W 0D 0L
Maróczy Bind 1 game 1W 0D 0L
Kalashnikov Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Ruy Lopez 5 games 3W 1D 1L
Morphy Defense 2 games 0W 1D 1L
Modern Steinitz Defense 1 game 0W 1D 0L
Norwegian Variation 1 game 0W 0D 1L
Closed 1 game 1W 0D 0L
Chigorin Defense 1 game 1W 0D 0L
Berlin Defense 1 game 1W 0D 0L
Anti-Berlin Variation 1 game 1W 0D 0L
Open 1 game 1W 0D 0L
Classical Defense 1 game 1W 0D 0L
French Defense 3 games 1W 0D 2L
Steinitz Variation 2 games 1W 0D 1L
Boleslavsky Variation 2 games 1W 0D 1L
Rubinstein Variation 1 game 0W 0D 1L
Fort Knox Variation 1 game 0W 0D 1L
Caro-Kann Defense 1 game 0W 1D 0L
Advance Variation 1 game 0W 1D 0L
Tal Variation 1 game 0W 1D 0L
Philidor Defense 1 game 0W 0D 1L
Lion Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Modern Defense 1 game 1W 0D 0L
Standard Line 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Petrov's Defense 1 game 1W 0D 0L
Classical Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
As Black 19 games 5W 6D 8L
Sicilian Defense 11 games 4W 4D 3L
Najdorf Variation 10 games 3W 4D 3L
English Attack 5 games 1W 2D 2L
Adams Attack 2 games 1W 1D 0L
Opocensky Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 0D 1L
Yates Variation 1 game 1W 0D 0L
Moscow Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Attack 2 games 0W 1D 1L
Sicilian Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Wahls Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Gambit Declined 2 games 0W 1D 1L
Ragozin Defense 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
English Opening 1 game 1W 0D 0L
Agincourt Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Catalan Opening 1 game 0W 0D 1L
Open Defense 1 game 0W 0D 1L
Classical Line 1 game 0W 0D 1L
Trompowsky Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Rapport-Jobava System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 155

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

2025.06.18 · 29. Nxe1 (−64.5% win chance) 0-1
Martinez Alcantara, Jose Eduardo
Okuno, Rion
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2024.12.24 · 29. Nxf8 (−36.5% win chance) 0-1
Manish Anto Cristiano F
Okuno, Rion
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2024.12.30 · 32. Rxb4 (−36.1% win chance) 0-1
Madularea, David
Okuno, Rion
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2024.05.18 · 34... Rh3+ (−33.3% win chance) 1-0
Okuno, Rion
Delgado Rosas, Alex Antonio
View game
View blunders & mistakes
Games Showing all 38 games
Date Event Round Color Opponent Result Accuracy % First moves