7 games · 2016–2024 · 7 classical · 0 online
Koykka 43 draws0 Jarvenpaa
78.6% for Koykka
Openings between them
| A05 | King's Indian Attack: Symmetrical Defense | 1 | 100.0% |
| A37 | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | 1 | 50.0% |
| B05 | Alekhine Defense: Modern Variation, Flohr Variation | 1 | 50.0% |
| B13 | Caro-Kann Defense: Exchange Variation | 1 | 100.0% |
| B22 | Sicilian Defense: Alapin Variation, Smith-Morra Declined | 1 | 50.0% |
| B30 | Sicilian Defense: Closed, Anti-Sveshnikov Variation, with Nf6 | 1 | 100.0% |
| D27 | Queen's Gambit Accepted: Classical Defense, Main Line | 1 | 100.0% |
All games
| Jarvenpaa, J2229 | ½-½ | Koykka, P2349 | TCh-FIN 2024-25 | 2024 |
| Koykka, P2329 | 1-0 | Jarvenpaa, J2269 | ch-FIN 2023 | 2023 |
| Koykka, P2346 | 1-0 | Jarvenpaa, J2269 | ch-FIN 2022 | 2022 |
| Jarvenpaa, J2282 | 0-1 | Koykka, P2390 | Mestarit Areenalla 2020 | 2020 |
| Jarvenpaa, J2204 | ½-½ | Koykka, P2399 | ch-FIN 2019 | 2019 |
| Koykka, P2345 | 1-0 | Jarvenpaa, J2310 | ch-FIN 2018 | 2018 |
| Jarvenpaa, J2295 | ½-½ | Koykka, P2327 | ch-FIN 2016 | 2016 |