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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
Top seed
🇫🇮IMVilka Sipila2483
Avg top 10
2,145
Participants
14
Titled players · 5
IM×1
FM×2
WIM×1
WFM×1
Federations · 1 represented
🇫🇮Finland×14
Top 3
  • 🥇
    🇫🇮FIN·2483
    3.5pts·2519perf+1.2
  • 🥈
    🇫🇮FIN·2250
    3.0pts·2345perf+9.8
  • 🥉
    🇫🇮FIN·2140
    3.0pts·2348perf+20.6

How it unfolded

Top 6 · 4 rounds

IM Vilka Sipila led from R3; +0.5-point edge over the runner-up.

Co-leaders
4
2
1
1
1234R1R2R3R4
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
Player1234
1IMVilka Sipila*
1
½
—
2Jere Lindholm
0
*——
3FMTommi Luukkonen
½
—*
1
4Joni Seppala——
0
*

Grille américaine

#PlayerEloFedR1R2R3R4PtsBu C1BuSBPerfΔ
1Sipila, VilkaIM2483FIN+8B+3N+6B=2N3.58.010.08.502519+1.2
2Luukkonen, TommiFM2250FIN=9N+4B+5N=1B3.08.510.57.752345+9.8
3Lindholm, Jere2140FIN+14N−1B+10B+6N3.07.07.54.002348+20.6
4Vorobyov, Radmir2044FIN=5B−2N+14B+7B2.57.58.03.752158+22.8
5Seppala, Joni2040FIN=4N+13B−2B+10N2.57.08.03.752153+11.8
6Salonen, AkuFM2257FIN+11B+7N−1N−3B2.08.510.03.502167-9.2
7Tuominen, TanjaWIM2009FIN+12N−6B+8B−4N2.06.57.53.002099+9.2
8Paananen, Olli-Pekka1951FIN−1N+14B−7N+12B2.06.57.01.502114+15.0
9Peurala, Jussi2042FIN=2B−10N=12N+13B2.05.56.53.002083+4.4
10Si, Patrick1929FIN=13N+9B−3N−5B1.57.58.52.501971+3.6
11Moisio, Miska2037FIN−6N=12B=13N=14N1.54.04.51.252004-9.2
12Bederdin, LiljaWFM2144FIN−7B=11N=9B−8N1.06.07.51.751817-34.4
13Tuominen, Matias2010FIN=10B−5N=11B−9N1.06.07.51.501819-19.8
14Hartio, Ilkka1952FIN−3B−8N−4N=11B0.57.59.00.751721-20.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
Martti Haminan 70-vuotisjuhlaturnaus Group A (2025) — Lahti, Finland | Chess Tournament Results | ChessStats