5 games · 2015–2022 · 3 classical · 1 online
Piorun 04 draws1 Grandelius
40.0% for Piorun
Openings between them
| A07 | King's Indian Attack: Pachman System | 1 | 50.0% |
| B11 | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | 1 | 50.0% |
| B90 | Sicilian Defense: Najdorf Variation | 1 | 50.0% |
| D28 | Queen's Gambit Accepted: Classical Defense, Alekhine System | 1 | 50.0% |
| D30 | Queen's Gambit Declined | 1 | 0.0% |
All games
| Grandelius, N2651 | ½-½ | Piorun, K2623 | Enea TCh-POL Ekstraliga | 2022 |
| Piorun, K2640 | 0-1 | Grandelius, N2663 | Chess.com Rapid Wk6 Swiss | 2022 |
| Grandelius, N2694 | ½-½ | Piorun, K2631 | 20th ch-EUR Indiv 2019 | 2019 |
| Piorun, K2651 | ½-½ | Grandelius, N2647 | 47th Rilton Cup 2017-18 | 2018 |
| Piorun, K2609 | ½-½ | Grandelius, N2647 | World Blitz 2015 | 2015 |