Martti Haminan 70-vuotisjuhlaturnaus Group S65
Open SwissStandard
8 players participated in this 4-round tournament, held from 16 Aug 2025 to 17 Aug 2025 in Lahti, Finland. Top 10 Elo average was 1816, and top seed was Veli Vehkalahti (🇫🇮 FIN, 1893).
Martti Karppinen (🇫🇮 FIN, 1851) won with 3.0/4, ahead of Martti Hamina (2.5) and Eero Patola (2.5). Karppinen won solo starting round 2.
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
Federations · 1 represented
🇫🇮Finland×8
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 4 roundsMartti Karppinen led from R2; +0.5-point edge over the runner-up.
Co-leaders
2
1
1
1
R2–R4 · LEAD HELD
Martti Karppinen held the sole lead from R2 through R4 without losing it.
R2 · HEAD-TO-HEAD · WINNER VS 2ND
Martti Karppinen beat Martti Hamina (White).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Martti Karppinen | * | 1 | ½ | — |
| 2Martti Hamina | 0 | * | ½ | 1 |
| 3Eero Patola | ½ | ½ | * | — |
| 4Antti Lehtela | — | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Karppinen, Martti | 1851 | FIN | +6N | +2B | =3N | =4B | 3.0 | 7.0 | 8.5 | 6.25 | 1984 | +13.4 |
| 2 | Hamina, Martti | 1787 | FIN | +5N | −1N | +7B | =3B | 2.5 | 7.5 | 9.0 | 4.75 | 1934 | +15.8 |
| 3 | Patola, Eero | 1888 | FIN | =4N | +8B | =1B | =2N | 2.5 | 7.5 | 8.5 | 4.75 | 1927 | +3.8 |
| 4 | Smeds, Tom | 1796 | FIN | =3B | =7N | =5B | =1N | 2.0 | 7.5 | 9.0 | 4.50 | 1839 | +5.0 |
| 5 | Lehtela, Antti | 1807 | FIN | −2B | =6N | =4N | +8B | 2.0 | 6.0 | 7.0 | 2.75 | 1792 | -1.8 |
| 6 | Heino, Aimo | 1692 | FIN | −1B | =5B | =8N | =7N | 1.5 | 6.5 | 7.5 | 2.25 | 1754 | +5.8 |
| 7 | Luodonpaa, Martti | 1811 | FIN | =8N | =4B | −2N | =6B | 1.5 | 6.0 | 7.0 | 2.25 | 1705 | -12.0 |
| 8 | Vehkalahti, Veli | 1893 | FIN | =7B | −3N | =6B | −5N | 1.0 | 6.0 | 7.5 | 1.50 | 1607 | -30.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Hamina, MarttiFIN+15.82.5 pts · #2
- 2Karppinen, MarttiFIN+13.43.0 pts · #1
- 3Heino, AimoFIN+5.81.5 pts · #6
Top rating losers
- 1Vehkalahti, VeliFIN-30.01.0 pts · #8
- 2Luodonpaa, MarttiFIN-12.01.5 pts · #7
- 3Lehtela, AnttiFIN-1.82.0 pts · #4