CChessStats

Tammer-Shakin viikonlopputurnaus 2026, D-ryhma

Open SwissStandard

14 players participated in this 4-round tournament, held from 02 May 2026 to 03 May 2026 in Tampere, Finland. Top 10 Elo average was 1657, and top seed was Joona Heino (🇫🇮 FIN, 1738).

Ohto Koskensilta (🇫🇮 FIN, 1569) won with 3.5/4, ahead of Jouni Mauri (3.0) and Stella Zhu (3.0). Koskensilta won solo starting round 3.

The biggest upset came in round 2: Jari Lehtonen (1600) beat Leevi Jaakkola (1721), a +121-point gap.

Location
🇫🇮Tampere, Finland
Dates
02 May 2026 → 03 May 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 4 rounds
Top seed
🇫🇮Joona Heino1738
Avg top 10
1,657
Participants
14
Federations · 1 represented
🇫🇮Finland×13
Top 3

How it unfolded

Top 6 · 4 rounds

Ohto Koskensilta led from R3; +0.5-point edge over the runner-up.

Co-leaders
4
2
1
1
1234R1R2R3R4
R3–R4 · LEAD HELD

Ohto Koskensilta held the sole lead from R3 through R4 without losing it.

WIN STREAKS · 2 top finishers

Ohto Koskensilta 3 wins (R1–R3)Jouni Mauri 3 wins (R2–R4)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Ohto Koskensilta*
1
½
2Stella Zhu*
3Jouni Mauri
0
*
4Jyrki Sillanpaa
½
*

Grille américaine

#PlayerEloFedR1R2R3R4PtsBu C1BuSBPerfΔ
1Koskensilta, Ohto1569FIN+2B+7B+6N=4N3.57.59.58.251927+53.6
2Mauri, Jouni0FIN1N+10B+7N+6B3.07.59.56.0016340.0
3Zhu, Stella1562FIN=11N+9B=5N+8B3.06.58.06.001837+58.0
4Sillanpaa, Jyrki1688FIN=9N+13B=8N=1B2.57.58.04.251693+0.2
5Jaakkola, Leevi1721FIN+12B6N=3B+11B2.56.58.04.501734+2.4
6Lehtonen, Jari1600FIN+14N+5B1B2N2.09.09.02.501773+27.6
7Virkkala, Vilho1673FIN+10B1N2B+14N2.08.58.52.001611-6.8
8Nuutinen, Mikko1654FIN=13N+11B=4B3N2.07.07.53.001632-4.8
9Salmela, Olli1545FIN=4B3N+13B=12N2.07.07.52.501653+22.8
10FIDE 52562607N2N+14B+13N2.05.55.50.5016700.0
11Kanjovski, Michael1655FIN=3B8N+12B5N1.57.59.03.001582-17.2
12Heino, Joona1738FIN5N+14B11N=9B1.56.06.01.001557-40.0
13Jarvinen, Miika1623FIN=8B4N9N10B0.56.58.51.001356-19.6
14Sjoskog, Tommy1653FIN6B12N10N7B0.06.07.50.00870-28.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets