Akaan Shakin viikonlopputurnaus Ryhma B
Open SwissStandard
20 players participated in this 5-round tournament, held from 20 Sept 2025 to 21 Sept 2025 in Akaa, Finland. 4 federations represented. Top 10 Elo average was 1863, and top seed was Harri Mikkonen (🇫🇮 FIN, 1934).
Matti Helmisola (🇫🇮 FIN, 1868) won with 4.0/5, ahead of Henri Nikander (3.5) and Pauliina Pelander (3.0). Helmisola won solo starting round 4.
The biggest upset came in round 5: Risto Eerikainen (1767) beat Jarkko Toropainen (1885), a +118-point gap.
Location
🇫🇮Akaa, Finland
Dates
20 Sept 2025 → 21 Sept 2025
Time control
Standard: 90 minutes for game with 30 seconds delay from move 1
System
Swiss · 5 rounds
Federations · 4 represented
🇫🇮Finland×17
🇳🇬Nigeria×1
🇪🇪Estonia×1
🇮🇹Italy×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsMatti Helmisola led from R4; +0.5-point edge over the runner-up.
Co-leaders
20
6
2
1
1
R4–R5 · LEAD HELD
Matti Helmisola held the sole lead from R4 through R5 without losing it.
R2–R5 · WIN STREAK
Matti Helmisola won 4 in a row (R2–R5).
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Helmisola, Matti | 1868 | FIN | F | +17B | +11N | +10B | +7N | 4.0 | 7.0 | 7.0 | 7.00 | 2557 | +21.2 |
| 2 | Nikander, Henri | 1860 | FIN | F | +19B | +15B | =9N | +6B | 3.5 | 6.0 | 6.0 | 5.00 | 2149 | +49.2 |
| 3 | Pelander, Pauliina | 1856 | FIN | F | =7B | =4N | +12B | +16N | 3.0 | 8.0 | 8.0 | 5.50 | 2071 | +15.4 |
| 4 | Modanese, Augusto | 1839 | ITA | F | =6N | =3B | +18N | +15B | 3.0 | 7.5 | 7.5 | 4.75 | 2038 | +20.4 |
| 5 | Jogi, Henry | 1791 | EST | F | =8B | =7N | +15N | +9B | 3.0 | 7.0 | 7.0 | 5.00 | 2121 | +49.6 |
| 6 | Lehtela, Antti | 1805 | FIN | F | =4B | +16N | +8B | −2N | 2.5 | 9.5 | 9.5 | 4.50 | 1932 | +13.8 |
| 7 | Uusitalo, Kari | 0 | FIN | F | =3N | =5B | +19N | −1B | 2.0 | 10.5 | 10.5 | 3.50 | 1820 | 0.0 |
| 8 | Siurola, Aapo | 1861 | FIN | F | =5N | =9B | −6N | +13B | 2.0 | 9.5 | 9.5 | 4.50 | 1845 | -4.0 |
| 9 | Pohjala, Ilari | 1849 | FIN | F | +16B | =8N | =2B | −5N | 2.0 | 9.5 | 9.5 | 3.75 | 1825 | -2.4 |
| 10 | Tanttari, Jaakko | 1841 | FIN | F | −15N | +14B | −1N | +19B | 2.0 | 7.5 | 7.5 | 2.50 | 1793 | -10.4 |
| 11 | Rockas, Elias | 1692 | FIN | F | +20N | −1B | −13N | +17B | 2.0 | 7.5 | 7.5 | 1.50 | 1825 | +27.6 |
| 12 | Eerikainen, Risto | 1767 | FIN | F | −14N | +17B | −3N | +18B | 2.0 | 7.0 | 7.0 | 2.00 | 1796 | +3.0 |
| 13 | Mikkonen, Harri | 1934 | FIN | F | =18N | =20B | +11B | −8N | 2.0 | 5.5 | 5.5 | 2.75 | 1800 | -14.0 |
| 14 | Matiusenko, Anna | 1703 | FIN | F | +12B | −10N | −16B | +20N | 2.0 | 5.5 | 5.5 | 2.50 | 1789 | +19.2 |
| 15 | Backman, Aaron | 1834 | FIN | F | +10B | −2N | −5B | −4N | 1.0 | 11.5 | 11.5 | 2.00 | 1640 | -20.0 |
| 16 | Nousiainen, Roni | 1788 | FIN | F | −9N | −6B | +14N | −3B | 1.0 | 9.5 | 9.5 | 2.00 | 1610 | -37.2 |
| 17 | Brade, Henry | 1739 | FIN | F | −1N | −12N | +20B | −11N | 1.0 | 8.5 | 8.5 | 0.50 | 1579 | -16.6 |
| 18 | Toropainen, Jarkko | 1885 | FIN | F | =13B | =19N | −4B | −12N | 1.0 | 7.5 | 7.5 | 1.25 | 1633 | -52.4 |
| 19 | BENSON, Olorundunwo Caleb | 1762 | NGR | F | −2N | =18B | −7B | −10N | 0.5 | 8.5 | 8.5 | 0.50 | 1589 | -24.4 |
| 20 | Olden, Aleksi | 1760 | FIN | F | −11B | =13N | −17N | −14B | 0.5 | 7.0 | 7.0 | 1.00 | 1445 | -58.8 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Jogi, HenryEST+49.63.0 pts · #4
- 2Nikander, HenriFIN+49.23.5 pts · #1
- 3Rockas, EliasFIN+27.62.0 pts · #10
Top rating losers
- 1Olden, AleksiFIN-58.80.5 pts · #19
- 2Toropainen, JarkkoFIN-52.41.0 pts · #17
- 3Nousiainen, RoniFIN-37.21.0 pts · #18
Biggest upsets
- R5+118 Elo gap