12 games · 2019–2025 · 2 classical · 6 online
Oparin 46 draws2 Swiercz
58.3% for Oparin
Openings between them
| A05 | King's Indian Attack: Symmetrical Defense | 1 | 50.0% |
| B22 | Sicilian Defense: Delayed Alapin Variation | 1 | 50.0% |
| C54 | Italian Game: Classical Variation, Giuoco Pianissimo | 1 | 100.0% |
| C70 | Ruy Lopez: Morphy Defense, Cozio Defense | 1 | 100.0% |
| C80 | Ruy Lopez: Open, Bernstein Variation | 1 | 50.0% |
| D02 | Queen's Pawn Game: London System | 1 | 50.0% |
| D11 | Slav Defense: Modern Line | 1 | 50.0% |
| D35 | Queen's Gambit Declined: Exchange Variation, Positional Variation | 1 | 100.0% |
| D78 | Neo-Grünfeld Defense: Classical Variation, Original Defense | 1 | 0.0% |
| E06 | Catalan Opening: Closed | 1 | 100.0% |
| E11 | Bogo-Indian Defense: Retreat Variation | 1 | 50.0% |
| E59 | Nimzo-Indian Defense: Normal Variation, Bernstein Defense | 1 | 0.0% |
All games
| Swiercz, D2577 | ½-½ | Oparin, G2661 | ch-USA 2025 | 2025 |
| Oparin, G2667 | 0-1 | Swiercz, D2615 | St Louis Winter Blitz | 2023 |
| Swiercz, D2615 | 0-1 | Oparin, G2667 | St Louis Winter Blitz | 2023 |
| Oparin, G2667 | 1-0 | Swiercz, D2615 | St Louis Winter Rapid | 2023 |
| Swiercz, D2646 | ½-½ | Oparin, G2667 | Airthings Play-In Match | 2023 |
| Oparin, G2667 | 1-0 | Swiercz, D2646 | Airthings Play-In Match | 2023 |
| Swiercz, D2656 | 0-1 | Oparin, G2681 | Chess.com Rapid Wk1 Swiss | 2022 |
| Swiercz, D2649 | ½-½ | Oparin, G2652 | Pan-Am Intercollegiate | 2021 |
| Oparin, G2652 | 0-1 | Swiercz, D2649 | Midwest Collegiate Blitz | 2020 |
| Oparin, G2652 | ½-½ | Swiercz, D2649 | Midwest Collegiate Rapid | 2020 |
| Swiercz, D2651 | ½-½ | Oparin, G2654 | ch-Midwest Collegiate | 2019 |
| Oparin, G2654 | ½-½ | Swiercz, D2651 | ch-Midwest Collegiate Blitz | 2019 |