Olivier-Kenta Chiku-Ratte vs Taira Tyler Tanaka
IM Olivier-Kenta Chiku-Ratte (2345) · FM Taira Tyler Tanaka (2244)
Olivier-Kenta Chiku-Ratte and Taira Tyler Tanaka have played 10 recorded games against each other, the first in Nov 2017 and the most recent in Sep 2025. Chiku-Ratte leads 7 wins to 0, with 3 draws (70% of the games were decisive). Their most common battleground is the Pirc Defense (2 games). The average game between them lasted 39 moves.
Results by color
| Split | Games | Chiku-Ratte | Draws | Tanaka |
|---|---|---|---|---|
| Chiku-Ratte with White | 3 | 3 | 0 | 0 |
| Tanaka with White | 7 | 4 | 3 | 0 |
Results by time format
| Format | Games | Chiku-Ratte | Draws | Tanaka |
|---|---|---|---|---|
| Classical | 10 | 7 | 3 | 0 |
Openings in their games
| ECO | Opening | Games | Chiku-Ratte | Draws | Tanaka |
|---|---|---|---|---|---|
| B07 | Pirc Defense | 2 | 1 | 1 | 0 |
| A49 | Réti Opening: Symmetrical Defense | 1 | 1 | 0 | 0 |
| B47 | Sicilian: Taimanov | 1 | 1 | 0 | 0 |
| B75 | Sicilian: Dragon | 1 | 1 | 0 | 0 |
| C58 | Italian Game: Two Knights Defense | 1 | 0 | 1 | 0 |
| D20 | Queen's Gambit Accepted | 1 | 1 | 0 | 0 |
| E71 | King's Indian Defense | 1 | 1 | 0 | 0 |
| Italian Game: Two Knights Defense | 1 | 0 | 1 | 0 |
All games
| Date | White | Black | Result | Opening | Event |
|---|---|---|---|---|---|
| Sep 2025 | Olivier-Kenta Chiku-Ratte | Taira Tyler Tanaka | 1-0 | Queen's Gambit Accepted | Montreal Open |
| Jun 2024 | Taira Tyler Tanaka | Olivier-Kenta Chiku-Ratte | 1/2-1/2 | Italian Game: Two Knights Defense | Laval Open |
| Jun 2024 | Taira Tyler Tanaka | Olivier-Kenta Chiku-Ratte | 1/2-1/2 | Italian Game: Two Knights Defense | Championnat ouvert de Laval |
| Apr 2022 | Taira Tyler Tanaka | Olivier-Kenta Chiku-Ratte | 0-1 | Réti Opening: Symmetrical Defense | Kingston Canada zt |
| Sep 2019 | Olivier-Kenta Chiku-Ratte | Taira Tyler Tanaka | 1-0 | King's Indian Defense | Montreal Open |
| Jun 2019 | Taira Tyler Tanaka | Olivier-Kenta Chiku-Ratte | 1/2-1/2 | Pirc Defense | ch-Montreal CC |
| Sep 2018 | Taira Tyler Tanaka | Olivier-Kenta Chiku-Ratte | 0-1 | Sicilian: Taimanov | Montreal Vendredi 09 |
| Jul 2018 | Olivier-Kenta Chiku-Ratte | Taira Tyler Tanaka | 1-0 | King's Indian: Sämisch | Canadian Open |
| Apr 2018 | Taira Tyler Tanaka | Olivier-Kenta Chiku-Ratte | 0-1 | Sicilian: Dragon | ch-Quebec U20 inv |
| Nov 2017 | Taira Tyler Tanaka | Olivier-Kenta Chiku-Ratte | 0-1 | Pirc Defense | Granby Open |
Interactive board, all 10 games, opening explorer and engine analysis.
Browse the gamesFrequently asked questions
What is the head-to-head score between Olivier-Kenta Chiku-Ratte and Taira Tyler Tanaka?
In 10 recorded games, Olivier-Kenta Chiku-Ratte has 7 wins, Taira Tyler Tanaka has 0 wins, and they have drawn 3 times.
How many times have Olivier-Kenta Chiku-Ratte and Taira Tyler Tanaka played each other?
Our database records 10 games between them, from Nov 2017 to Sep 2025.
What openings do Olivier-Kenta Chiku-Ratte and Taira Tyler Tanaka play against each other?
The most common opening in their games is the Pirc Defense (2 games), followed by the Réti Opening: Symmetrical Defense (1). The full opening breakdown and every game are on this page.