Rion Okuno
JPN · FIDE ID 7003730 · 48 tournament games since 2021
Standard
2045
#19 in JPN (active)
Rapid
1921
FIDE rating
Blitz
2003
FIDE rating
Score
46%
17 W · 10 D · 21 L
Opp. avg
2165
Last 48 games
Last game
2025-06-21
37th Pula Open 2025
Prep summary
- As White: 1.e4 in 100% of games (scores 50%).
- Against 1.e4: 1...c5 in 15 of 15 games (Sicilian Defense), scoring 53%.
- Against 1.d4: 1...Nf6 in 4 of 4 games (Indian Defense), scoring 13%.
- Weak spot: Sicilian Defense: Najdorf Variation, English Attack as Black, only 40% in 5 games.
- By opponent strength: 38% against higher-rated players, 88% against lower-rated.
Based on 48 over-the-board games (16 classical). 24 with White (50%), 24 with Black (42%).
Openings as White
First move
| 1.e4 | 24 | 50% |
Most played
| Opening | Games | Score |
|---|---|---|
| French Defense: Steinitz Variation, Boleslavsky Variation | 2 | 50% |
| Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | 2 | 50% |
| Sicilian Defense: Najdorf Variation | 2 | 50% |
| Caro-Kann Defense: Advance Variation, Tal Variation | 1 | 50% |
| Ruy Lopez: Morphy Defense, Modern Steinitz Defense | 1 | 50% |
Openings as Black
Against 1.e4 (15 games)
| 1...c5 Sicilian Defense | 15 | 53% |
Against 1.d4 (4 games)
| 1...Nf6 Indian Defense | 4 | 13% |
Most played
| Opening | Games | Score |
|---|---|---|
| Sicilian Defense: Najdorf Variation, English Attack | 5 | 40% |
| Sicilian Defense: Najdorf Variation, Adams Attack | 2 | 75% |
| Sicilian Defense: Moscow Variation | 2 | 100% |
| Queen's Gambit Declined: Ragozin Defense | 2 | 25% |
| English Opening: Agincourt Defense | 1 | 100% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2025-06-21 | Narmin Mammadova (2275) 37th Pula Open 2025 · classical | ½ |
| 2025-06-20 | Robert Ernst (2340) 37th Pula Open 2025 · classical | ½ |
| 2025-06-19 | Raem Sherman (2366) 37th Pula Open 2025 · classical | ½ |
| 2025-06-18 | Jose Eduardo Martinez Alcantara (2622) XLIV Open Internacional Villa de Benasque · classical | L |
| 2025-06-18 | Andrew J Ledger (2334) 37th Pula Open 2025 · classical | L |
| 2025-06-09 | Sanket Chakravarty (2303) Munich Chess Festival 2025 | Whitsun Open · classical | W |
| 2025-06-08 | Michael Fedorovsky (2389) Munich Chess Festival 2025 | Whitsun Open · classical | L |
| 2024-12-30 | David Madularea (2245) Chess Festival Groningen 2024 | L |
| 2024-12-29 | Rik Van Rootselaar (2265) Chess Festival Groningen 2024 | ½ |
| 2024-12-28 | Zyon Kollen (2344) Chess Festival Groningen 2024 | L |
Data: FIDE rating list (October 2026 list; national ranks count active players) and tournament games broadcast on Lichess since 2020 (open data, CC0). Results are matched to FIDE players by name or FIDE ID and may be incomplete. This page shows public chess results only. Is this you and you want the page removed? Email chessmoose1@gmail.com and we remove it.