Martti Haminan 70-vuotisjuhlaturnaus Group A
Open SwissStandard
14 players participated in this 4-round tournament, held from 16 Aug 2025 to 17 Aug 2025 in Lahti, Finland. 5 titled players. Top 10 Elo average was 2145, and top seed was Vilka Sipila (🇫🇮 FIN, IM, 2483).
Vilka Sipila (🇫🇮 FIN, IM, 2483) won with 3.5/4, ahead of Tommi Luukkonen (3.0) and Jere Lindholm (3.0). Sipila won solo starting round 3.
The biggest upset came in round 4: Olli-Pekka Paananen (1951) beat Lilja Bederdin (WFM, 2144), a +193-point gap.
Location
🇫🇮Lahti, Finland
Dates
16 Aug 2025 → 17 Aug 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 4 rounds
Titled players · 5
IM×1
FM×2
WIM×1
WFM×1
Federations · 1 represented
🇫🇮Finland×14
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 4 roundsIM Vilka Sipila led from R3; +0.5-point edge over the runner-up.
Co-leaders
4
2
1
1
R3–R4 · LEAD HELD
IM Vilka Sipila held the sole lead from R3 through R4 without losing it.
R2 · HEAD-TO-HEAD · WINNER VS 2ND
IM Vilka Sipila beat Jere Lindholm (Black).
R1–R3 · WIN STREAK
IM Vilka Sipila won 3 in a row (R1–R3).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1IMVilka Sipila | * | 1 | ½ | — |
| 2Jere Lindholm | 0 | * | — | — |
| 3FMTommi Luukkonen | ½ | — | * | 1 |
| 4Joni Seppala | — | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Sipila, VilkaIM | 2483 | FIN | +8B | +3N | +6B | =2N | 3.5 | 8.0 | 10.0 | 8.50 | 2519 | +1.2 |
| 2 | Luukkonen, TommiFM | 2250 | FIN | =9N | +4B | +5N | =1B | 3.0 | 8.5 | 10.5 | 7.75 | 2345 | +9.8 |
| 3 | Lindholm, Jere | 2140 | FIN | +14N | −1B | +10B | +6N | 3.0 | 7.0 | 7.5 | 4.00 | 2348 | +20.6 |
| 4 | Vorobyov, Radmir | 2044 | FIN | =5B | −2N | +14B | +7B | 2.5 | 7.5 | 8.0 | 3.75 | 2158 | +22.8 |
| 5 | Seppala, Joni | 2040 | FIN | =4N | +13B | −2B | +10N | 2.5 | 7.0 | 8.0 | 3.75 | 2153 | +11.8 |
| 6 | Salonen, AkuFM | 2257 | FIN | +11B | +7N | −1N | −3B | 2.0 | 8.5 | 10.0 | 3.50 | 2167 | -9.2 |
| 7 | Tuominen, TanjaWIM | 2009 | FIN | +12N | −6B | +8B | −4N | 2.0 | 6.5 | 7.5 | 3.00 | 2099 | +9.2 |
| 8 | Paananen, Olli-Pekka | 1951 | FIN | −1N | +14B | −7N | +12B | 2.0 | 6.5 | 7.0 | 1.50 | 2114 | +15.0 |
| 9 | Peurala, Jussi | 2042 | FIN | =2B | −10N | =12N | +13B | 2.0 | 5.5 | 6.5 | 3.00 | 2083 | +4.4 |
| 10 | Si, Patrick | 1929 | FIN | =13N | +9B | −3N | −5B | 1.5 | 7.5 | 8.5 | 2.50 | 1971 | +3.6 |
| 11 | Moisio, Miska | 2037 | FIN | −6N | =12B | =13N | =14N | 1.5 | 4.0 | 4.5 | 1.25 | 2004 | -9.2 |
| 12 | Bederdin, LiljaWFM | 2144 | FIN | −7B | =11N | =9B | −8N | 1.0 | 6.0 | 7.5 | 1.75 | 1817 | -34.4 |
| 13 | Tuominen, Matias | 2010 | FIN | =10B | −5N | =11B | −9N | 1.0 | 6.0 | 7.5 | 1.50 | 1819 | -19.8 |
| 14 | Hartio, Ilkka | 1952 | FIN | −3B | −8N | −4N | =11B | 0.5 | 7.5 | 9.0 | 0.75 | 1721 | -20.2 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Vorobyov, RadmirFIN+22.82.5 pts · #5
- 2Lindholm, JereFIN+20.63.0 pts · #2
- 3Paananen, Olli-PekkaFIN+15.02.0 pts · #9
Top rating losers
- 1Bederdin, LiljaWFMFIN-34.41.0 pts · #13
- 2Hartio, IlkkaFIN-20.20.5 pts · #14
- 3Tuominen, MatiasFIN-19.81.0 pts · #12
Biggest upsets
- R4+193 Elo gap
- R1+135 Elo gap
- R4+117 Elo gap