Akaan Shakin viikonlopputurnaus 2026 B-ryhma
30 players participated in this 5-round tournament, held from 18 Apr 2026 to 19 Apr 2026 in Akaa, Finland. 2 federations represented. Top 10 Elo average was 1797, and top seed was Riku Kastinen (🇫🇮 FIN, 1950).
Riku Kastinen (🇫🇮 FIN, 1950) won with 3.5/5, ahead of Aleksi Olden (3.5) and Aatos Halmari (3.0). Kastinen won on tie-break after catching the field in the final round.
The biggest upset came in round 5: Vilho Virkkala (1588) beat Juho Ihalainen (1869), a +281-point gap.
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How it unfolded
Top 6 · 5 roundsTight race until R5; 2 players tied at 3.5/5, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.
2 players finish on 3.5/5. Kastinen takes the title on Buchholz Cut1 (9.5).
Aleksi Olden 3 wins (R3–R5)Riku Kastinen 3 wins (R3–R5)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Aleksi Olden | * | — | — | — |
| 2Riku Kastinen | — | * | — | 1 |
| 3Tom Smeds | — | — | * | — |
| 4FIDE 512087 | — | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Kastinen, Riku | 1950 | FIN | F | =21N | +3B | +11N | +4B | 3.5 | 9.5 | 9.5 | 9.00 | 1872 | -2.8 |
| 2 | Olden, Aleksi | 1701 | FIN | F | =19N | +10B | +12N | +5N | 3.5 | 9.5 | 9.5 | 8.75 | 2137 | +40.6 |
| 3 | Halmari, Aatos | 0 | FIN | F | +7B | −1N | +24B | +15N | 3.0 | 9.5 | 9.5 | 6.00 | 1725 | 0.0 |
| 4 | FIDE 512087 | 0 | — | F | +17N | +26B | +8N | −1N | 3.0 | 9.0 | 9.0 | 5.50 | 1771 | 0.0 |
| 5 | Eerikainen, Risto | 1758 | FIN | F | +28N | +14B | +19N | −2B | 3.0 | 7.5 | 7.5 | 4.00 | 1926 | +17.2 |
| 6 | Gemenetzis, Iris | 1705 | FIN | F | +15N | +27B | =14N | =11B | 3.0 | 7.0 | 7.0 | 4.75 | 1779 | +12.0 |
| 7 | Virkkala, Vilho | 1588 | FIN | F | −3N | +17B | +28N | +19B | 3.0 | 7.0 | 7.0 | 4.00 | 2549 | +84.8 |
| 8 | Nousiainen, Roni | 1764 | FIN | F | +23B | +22N | −4B | +20N | 3.0 | 6.5 | 6.5 | 3.50 | 2419 | +19.4 |
| 9 | Smeds, Tom | 1772 | FIN | F | =26N | +29B | +22N | =14B | 3.0 | 4.0 | 4.0 | 2.75 | 1821 | +5.2 |
| 10 | Vieira, Daniel | 1863 | USA | F | =22B | −2N | +20B | +18N | 2.5 | 8.0 | 8.0 | 4.00 | 1797 | -7.0 |
| 11 | Kaitila, Aleksi | 1754 | FIN | F | +27N | +21B | −1B | =6N | 2.5 | 8.0 | 8.0 | 3.00 | 1753 | -0.4 |
| 12 | Jarvinen, Joel | 1715 | FIN | F | =20B | +16N | −2B | +26N | 2.5 | 7.5 | 7.5 | 3.25 | 1777 | +6.6 |
| 13 | FIDE 525588 | 0 | — | F | −16B | =23N | +29N | +28B | 2.5 | 4.0 | 4.0 | 1.50 | 1659 | 0.0 |
| 14 | Yadav, Neev | 1686 | FIN | F | +24B | −5N | =6B | =9N | 2.0 | 10.0 | 10.0 | 4.00 | 1729 | +9.6 |
| 15 | Palmu, Petri | 1522 | FIN | F | −6B | +30N | +23B | −3B | 2.0 | 7.0 | 7.0 | 1.00 | 1647 | +19.6 |
| 16 | Halmesvirta, Anssi | 1813 | FIN | F | +13N | −12B | =27N | =21B | 2.0 | 6.5 | 6.5 | 3.25 | 1466 | -18.0 |
| 17 | Seilonen, Mikko | 1704 | FIN | F | −4B | −7N | +30B | +27B | 2.0 | 6.5 | 6.5 | 0.50 | 1501 | -10.2 |
| 18 | Vahasoyrinki, Jani | 1699 | FIN | F | +29N | −19B | +21N | −10B | 2.0 | 5.5 | 5.5 | 1.50 | 1739 | +8.0 |
| 19 | Ihalainen, Juho | 1869 | FIN | F | =2B | +18N | −5B | −7N | 1.5 | 11.5 | 11.5 | 3.75 | 1600 | -57.2 |
| 20 | Tamminen, Atte | 1708 | FIN | F | =12N | +25B | −10N | −8B | 1.5 | 9.0 | 9.0 | 2.25 | 1662 | -11.2 |
| 21 | Jarvinen, Miika | 1603 | FIN | F | =1B | −11N | −18B | =16N | 1.0 | 10.0 | 10.0 | 2.75 | 1611 | -0.4 |
| 22 | Sillanpaa, Jyrki | 1701 | FIN | F | =10N | −8B | −9B | =24N | 1.0 | 9.5 | 9.5 | 1.75 | 1577 | -12.6 |
| 23 | Kinnusvuori, Jani | 1449 | FIN | F | −8N | =13B | −15N | =29B | 1.0 | 8.0 | 8.0 | 1.50 | 1362 | -6.2 |
| 24 | Heino, Aimo | 1679 | FIN | F | −14N | =28B | −3N | =22B | 1.0 | 6.5 | 6.5 | 0.75 | 1562 | -9.4 |
| 25 | Kukkonen, Martti | 1652 | FIN | F | +30B | −20N | F | F | 1.0 | 2.0 | 2.0 | 0.00 | 1561 | -4.4 |
| 26 | Hyttinen, Pyry | 1506 | FIN | F | =9B | −4N | F | −12B | 0.5 | 9.5 | 9.5 | 1.50 | 1551 | +3.6 |
| 27 | FIDE 525570 | 0 | — | F | −11B | −6N | =16B | −17N | 0.5 | 9.5 | 9.5 | 1.00 | 1422 | 0.0 |
| 28 | Varfolomeev, Maksim | 1675 | FIN | F | −5B | =24N | −7B | −13N | 0.5 | 9.5 | 9.5 | 0.50 | 1402 | -40.0 |
| 29 | Lempea, Pekka | 1620 | FIN | F | −18B | −9N | −13B | =23N | 0.5 | 8.5 | 8.5 | 0.50 | 1367 | -36.8 |
| 30 | Pokki, Kalle | 1413 | FIN | F | −25N | −15B | −17N | F | 0.0 | 5.0 | 5.0 | 0.00 | 826 | -28.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Virkkala, VilhoFIN+84.83.0 pts · #4
- 2Olden, AleksiFIN+40.63.5 pts · #1
- 3Palmu, PetriFIN+19.62.0 pts · #14
- 1Ihalainen, JuhoFIN-57.21.5 pts · #18
- 2Varfolomeev, MaksimFIN-40.00.5 pts · #28
- 3Lempea, PekkaFIN-36.80.5 pts · #29
- R5+281 Elo gap
- R3+162 Elo gap
- R3+116 Elo gap