Tammer-Shakin viikonlopputurnaus 2026, C-ryhma
Open SwissStandard
16 players participated in this 4-round tournament, held from 02 May 2026 to 03 May 2026 in Tampere, Finland. 2 federations represented. Top 10 Elo average was 1786, and top seed was Aapo Siurola (🇫🇮 FIN, 1879).
Aaron Backman (🇫🇮 FIN, 1831) won with 3.5/4, ahead of Tuomas Salvi (3.0) and Mikko Nikula (3.0). Backman won solo starting round 3.
The biggest upset came in round 3: Aleksi Kaitila (1754) beat Aapo Siurola (1879), a +125-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
Federations · 2 represented
🇫🇮Finland×14
🇳🇬Nigeria×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 4 roundsAaron Backman led from R3; +0.5-point edge over the runner-up.
Co-leaders
7
2
1
1
R3–R4 · LEAD HELD
Aaron Backman held the sole lead from R3 through R4 without losing it.
R1 · HEAD-TO-HEAD · WINNER VS 2ND
Aaron Backman beat Neev Yadav (White).
WIN STREAKS · 2 top finishers
Aaron Backman 3 wins (R1–R3)Neev Yadav 3 wins (R2–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Aaron Backman | * | 1 | 1 | 1 |
| 2Neev Yadav | 0 | * | — | — |
| 3Aleksi Olden | 0 | — | * | — |
| 4Tuomas Salvi | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Backman, Aaron | 1831 | FIN | +4B | +5N | +2B | =3N | 3.5 | 9.0 | 12.0 | 10.50 | 2114 | +24.0 |
| 2 | Salvi, Tuomas | 1766 | FIN | +14B | +10N | −1N | +6B | 3.0 | 8.0 | 9.0 | 5.50 | 1891 | +10.0 |
| 3 | Nikula, Mikko | 1840 | FIN | +12N | =6B | +11N | =1B | 3.0 | 7.5 | 8.5 | 5.50 | 1913 | +5.8 |
| 4 | Yadav, Neev | 1754 | FIN | −1N | +13B | +9N | +11B | 3.0 | 7.0 | 8.0 | 4.50 | 1886 | +21.2 |
| 5 | Olden, Aleksi | 1751 | FIN | +13N | −1B | +14N | +8B | 3.0 | 6.5 | 7.5 | 4.00 | 1875 | +10.0 |
| 6 | Kaitila, Aleksi | 1754 | FIN | +9B | =3N | +7B | −2N | 2.5 | 8.5 | 10.5 | 6.00 | 1885 | +14.0 |
| 7 | Siurola, Aapo | 1879 | FIN | =11N | +15B | −6N | +12B | 2.5 | 5.0 | 6.0 | 2.75 | 1758 | -20.0 |
| 8 | Jarvinen, Joel | 1707 | FIN | +15N | −11B | +10B | −5N | 2.0 | 6.5 | 7.5 | 3.00 | 1632 | -5.8 |
| 9 | Koivumaki, Marko | 1674 | FIN | −6N | +12B | −4B | +16N | 2.0 | 6.5 | 6.5 | 1.00 | 1632 | -3.2 |
| 10 | Virta, Oskari | 0 | FIN | +16N | −2B | −8N | +15B | 2.0 | 6.0 | 6.0 | 1.00 | 1745 | 0.0 |
| 11 | Alamaki, Jaakko | 1779 | FIN | =7B | +8N | −3B | −4N | 1.5 | 8.5 | 10.5 | 3.25 | 1708 | -8.2 |
| 12 | FIDE 525669 | 0 | — | −3B | −9N | +16B | −7N | 1.0 | 7.5 | 7.5 | 0.00 | 1596 | 0.0 |
| 13 | Friman, Robert | 0 | FIN | −5B | −4N | −15N | +14B | 1.0 | 7.0 | 8.0 | 1.00 | 1547 | 0.0 |
| 14 | Normaja, Henri | 1735 | FIN | −2N | +16B | −5B | −13N | 1.0 | 7.0 | 7.0 | 0.00 | 1635 | -6.2 |
| 15 | BENSON, Olorundunwo Caleb | 1741 | NGR | −8B | −7N | +13B | −10N | 1.0 | 6.5 | 7.5 | 1.00 | 993 | -34.4 |
| 16 | Vavuli, Pasi | 1764 | FIN | −10B | −14N | −12N | −9B | 0.0 | 5.0 | 6.0 | 0.00 | 894 | -47.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Backman, AaronFIN+24.03.5 pts · #1
- 2Yadav, NeevFIN+21.23.0 pts · #3
- 3Kaitila, AleksiFIN+14.02.5 pts · #2
Top rating losers
- 1Vavuli, PasiFIN-47.60.0 pts · #15
- 2BENSON, Olorundunwo CalebNGR-34.41.0 pts · #16
- 3Siurola, AapoFIN-20.02.5 pts · #8
Biggest upsets
- R3+125 Elo gap