Eero Patola 75 v avoin eloturnaus C
Open SwissStandard
16 players participated in this 4-round tournament, held from 08 Nov 2025 to 09 Nov 2025 in Helsinki, Finland. Top 10 Elo average was 1708, and top seed was Leevi Sillanpaa (🇫🇮 FIN, 1809).
Leevi Sillanpaa (🇫🇮 FIN, 1809) won with 3.5/4, ahead of Alex Airamaa (3.0) and Stefan Wahlback (3.0). Sillanpaa clinched sole first place in the final round.
The biggest upset came in round 1: Archishman Das (1604) beat Valtteri Nokso-Koivisto (1753), a +149-point gap.
Location
🇫🇮Helsinki, Finland
Dates
08 Nov 2025 → 09 Nov 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 4 rounds
Federations · 1 represented
🇫🇮Finland×16
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 4 roundsLeevi Sillanpaa led from R4; +0.5-point edge over the runner-up.
Co-leaders
8
2
1
1
R4 · LEADER CHANGE09 Nov
Leevi Sillanpaa takes the sole lead (3.5/4).
R1–R3 · WIN STREAK
Alex Airamaa won 3 in a row (R1–R3).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Leevi Sillanpaa | * | — | 1 | ½ |
| 2Stefan Wahlback | — | * | 0 | 1 |
| 3Alex Airamaa | 0 | 1 | * | — |
| 4Veikko Kiili | ½ | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Sillanpaa, Leevi | 1809 | FIN | +13N | =4B | +10N | +2B | 3.5 | 7.0 | 8.5 | 7.25 | 1952 | +18.8 |
| 2 | Airamaa, Alex | 1657 | FIN | +11B | +8N | +3B | −1N | 3.0 | 8.5 | 10.0 | 6.50 | 1829 | +27.6 |
| 3 | Wahlback, Stefan | 1698 | FIN | +9N | +6B | −2N | +4B | 3.0 | 8.0 | 10.0 | 7.00 | 1849 | +15.4 |
| 4 | Kiili, Veikko | 1655 | FIN | +15B | =1N | +5B | −3N | 2.5 | 9.0 | 10.0 | 5.25 | 1826 | +36.8 |
| 5 | Koivumaki, Marko | 1719 | FIN | +12N | =10B | −4N | +8B | 2.5 | 6.0 | 7.5 | 4.25 | 1766 | +4.6 |
| 6 | Yadav, Neev | 1667 | FIN | +14N | −3N | =11B | +10B | 2.5 | 6.0 | 7.5 | 3.75 | 1712 | +4.8 |
| 7 | Nokso-Koivisto, Valtteri | 1753 | FIN | −8B | =12N | +15B | +11N | 2.5 | 5.0 | 6.0 | 3.25 | 1666 | -14.4 |
| 8 | Archishman Das | 1604 | FIN | +7N | −2B | +9N | −5N | 2.0 | 8.0 | 10.0 | 4.50 | 1694 | +19.6 |
| 9 | Ervasti, Kalle | 1646 | FIN | −3B | +16N | −8B | +15N | 2.0 | 6.0 | 6.0 | 1.00 | 1649 | +0.8 |
| 10 | Turunen, Tiina | 1725 | FIN | +16B | =5N | −1B | −6N | 1.5 | 8.5 | 8.5 | 1.25 | 1612 | -12.8 |
| 11 | Schultz, Juho | 0 | FIN | −2N | +14B | =6N | −7B | 1.5 | 8.0 | 9.5 | 2.75 | 1419 | 0.0 |
| 12 | Miikkulainen, Jouko | 1700 | FIN | −5B | =7B | =13N | =14B | 1.5 | 6.5 | 8.0 | 2.75 | 1544 | -7.8 |
| 13 | Tamminen, Atte | 0 | FIN | −1B | −15N | =12B | +16N | 1.5 | 6.0 | 6.0 | 0.75 | 1614 | 0.0 |
| 14 | Virkkala, Vilho | 0 | FIN | −6B | −11N | +16B | =12N | 1.5 | 5.5 | 5.5 | 0.75 | 1655 | 0.0 |
| 15 | Toivonen, Markku | 1696 | FIN | −4N | +13B | −7N | −9B | 1.0 | 7.0 | 8.5 | 1.50 | 885 | -31.0 |
| 16 | Tiensuu, Seppo | 1600 | FIN | −10N | −9B | −14N | −13B | 0.0 | 5.0 | 6.5 | 0.00 | 886 | -15.4 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Kiili, VeikkoFIN+36.82.5 pts · #3
- 2Airamaa, AlexFIN+27.63.0 pts · #5
- 3Archishman DasFIN+19.62.0 pts · #7
Top rating losers
- 1Toivonen, MarkkuFIN-31.01.0 pts · #15
- 2Tiensuu, SeppoFIN-15.40.0 pts · #16
- 3Nokso-Koivisto, ValtteriFIN-14.42.5 pts · #10
Biggest upsets
- R1+149 Elo gap