ESK itsenaisyyspaivan turnaus 2025, Ryhma B
15 players participated in this 5-round tournament, held from 05 Dec 2025 to 07 Dec 2025 in Helsinki, Finland. 3 federations represented. Top 10 Elo average was 1831, and top seed was Eetu Ahola (🇫🇮 FIN, 1898).
Oliver Nieminen (🇫🇮 FIN, 1884) won with 4.5/5, ahead of Niko Malaska (4.0) and Eetu Ahola (3.0). Nieminen won solo starting round 2.
The biggest upset came in round 2: Iris Gemenetzis (1615) beat Augusto Modanese (1841), a +226-point gap.
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How it unfolded
Top 6 · 5 roundsOliver Nieminen led from R2; +0.5-point edge over the runner-up.
Oliver Nieminen held the sole lead from R2 through R5 without losing it.
Oliver Nieminen beat Niko Malaska (Black).
Oliver Nieminen 3 wins (R1–R3)Niko Malaska 3 wins (R3–R5)Aarni Kesavaara 3 wins (R3–R5)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Oliver Nieminen | * | 1 | — | — |
| 2Niko Malaska | 0 | * | 1 | — |
| 3Aarni Kesavaara | — | 0 | * | — |
| 4Ivar Niiranen | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Nieminen, Oliver | 1884 | FIN | +7B | +2N | +3B | =6N | +8N | 4.5 | 11.5 | 13.5 | 12.25 | 2200 | +64.8 |
| 2 | Malaska, Niko | 1830 | FIN | +4N | −1B | +7N | +10B | +6B | 4.0 | 12.0 | 13.5 | 9.00 | 1975 | +36.0 |
| 3 | Ahola, Eetu | 1898 | FIN | +14N | =11B | −1N | +13B | =5N | 3.0 | 10.5 | 11.5 | 4.75 | 1921 | +2.2 |
| 4 | Kesavaara, Aarni | 1602 | FIN | −2B | −7N | +14N | +12B | +10N | 3.0 | 9.0 | 10.0 | 4.00 | 1791 | +51.2 |
| 5 | Niiranen, Ivar | 1694 | FIN | −11N | +14B | =13N | +9B | =3B | 3.0 | 8.0 | 9.0 | 5.25 | 1850 | 0.0 |
| 6 | Rinne, Heini | 1845 | FIN | F | +12B | +11N | =1B | −2N | 2.5 | 11.5 | 11.5 | 5.25 | 1913 | +7.2 |
| 7 | Kaitila, Aleksi | 1722 | FIN | −1N | +4B | −2B | +15N | −9N | 2.0 | 13.5 | 13.5 | 3.00 | 1598 | -12.6 |
| 8 | Cheng, Hanz Martin | 1874 | PHI | =12N | +13B | =10N | F | −1B | 2.0 | 9.0 | 10.5 | 3.00 | 1753 | -12.4 |
| 9 | Modanese, Augusto | 1841 | ITA | F | −10B | +12N | −5N | +7B | 2.0 | 8.0 | 8.0 | 3.50 | 1801 | -3.0 |
| 10 | Gemenetzis, Iris | 1615 | FIN | F | +9N | =8B | −2N | −4B | 1.5 | 11.0 | 11.0 | 3.00 | 1699 | +14.4 |
| 11 | Puroila, Sippo | 1861 | FIN | +5B | =3N | −6B | F | F | 1.5 | 10.5 | 10.5 | 4.50 | 1679 | -9.4 |
| 12 | Kiili, Veikko | 1692 | FIN | =8B | −6N | −9B | −4N | +15B | 1.5 | 9.5 | 9.5 | 1.00 | 1468 | -39.2 |
| 13 | Patola, Eero | 1813 | FIN | +15B | −8N | =5B | −3N | −14B | 1.5 | 9.0 | 9.0 | 1.50 | 1037 | -28.0 |
| 14 | Nokso-Koivisto, Valtteri | 1739 | FIN | −3B | −5N | −4B | F | +13N | 1.0 | 10.5 | 10.5 | 1.50 | 1646 | -15.2 |
| 15 | FIDE 524972 | 1498 | — | −13N | F | F | −7B | −12N | 0.0 | 5.0 | 5.0 | 0.00 | 942 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Nieminen, OliverFIN+64.84.5 pts · #1
- 2Kesavaara, AarniFIN+51.23.0 pts · #3
- 3Malaska, NikoFIN+36.04.0 pts · #2
- 1Kiili, VeikkoFIN-39.21.5 pts · #13
- 2Patola, EeroFIN-28.01.5 pts · #14
- 3Nokso-Koivisto, ValtteriFIN-15.21.0 pts · #11
- R2+226 Elo gap
- R4+147 Elo gap
- R3+137 Elo gap