CChessStats

Nuorten SM 2025 U18

Open SwissStandard

15 players participated in this 7-round tournament, held from 05 Jun 2025 to 08 Jun 2025 in Valkeakoski, Finland. 1 titled players. Top 10 Elo average was 1988, and top seed was Aku Salonen (🇫🇮 FIN, FM, 2330).

Aleksandr Hakkinen (🇫🇮 FIN, 1970) won with 6.0/7, ahead of Aarni Odner (5.5) and Aku Salonen (5.0). Hakkinen won solo starting round 6.

The biggest upset came in round 2: Miska Moisio (1896) beat Aku Salonen (FM, 2330), a +434-point gap.

Location
🇫🇮Valkeakoski, Finland
Dates
05 Jun 2025 → 08 Jun 2025
Time control
Standard: 90min/40moves+30min/end+30sec increment per move starting from move 1
System
Swiss · 7 rounds
Top seed
🇫🇮FMAku Salonen2330
Avg top 10
1,988
Participants
15
Titled players · 1
FM×1
Federations · 1 represented
🇫🇮Finland×15
Top 3

How it unfolded

Top 6 · 7 rounds

Aleksandr Hakkinen led from R6; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R6.

Co-leaders
5
3
3
2
3
1
1
23.55.57R1R2R3R4R5R6R7
Hakkinen6Odner5.5Salonen5Hietanen4.5Ruusunen4Lappalainen3.5
R6–R7 · LEAD HELD

Aleksandr Hakkinen held the sole lead from R6 through R7 without losing it.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Aleksandr Hakkinen drew with Aarni Odner (Black).

WIN STREAKS · 2 top finishers

Aarni Odner 3 wins (R2–R4)FM Aku Salonen 3 wins (R3–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Aleksandr Hakkinen*
½
1
½
2Aarni Odner
½
*—
1
3FMAku Salonen
0
—*
1
4Herman Hietanen
½
0
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Hakkinen, Aleksandr1970FIN+15N+14B=4B+7N=2N+3B+6N6.022.523.018.002263+94.8
2Odner, Aarni2046FIN=8B+12N+7B+4N=1B=6N+9B5.523.025.018.752162+37.6
3Salonen, AkuFM2330FIN+9B−7N+8B+14N+6B−1N+4B5.023.024.015.002119-25.8
4Hietanen, Herman2104FIN+11N+6B=1N−2B+5N+12B−3N4.526.528.515.002079-3.2
5Ruusunen, Onni1985FIN=12B−8N=9B+13N−4B+10N+7B4.018.020.010.001889-27.2
6Lappalainen, Eemi1890FIN+13B−4N+10B+8N−3N=2B−1B3.526.528.510.251929+13.2
7Moisio, Miska1896FIN+10N+3B−2N−1B−12N+14B−5N3.025.026.08.501848-18.0
8Collander, Joel1907FIN=2N+5B−3N−6B+11B=9N−10B3.023.526.010.751877-15.2
9Sell, Aatu1887FIN−3N=15B=5N=12B+13N=8B−2N3.021.522.06.751878-7.2
10Rintala, Miliam1623FIN−7BF−6N=11N+14B−5B+8N2.517.017.05.251748+31.2
11Karimies, Tiitus1749FIN−4B−13NF=10B−8N+15B+14N2.513.513.52.751682-23.6
12Collander, David1869FIN=5N−2BF=9N+7B−4N−13B2.022.022.56.501788-24.4
13Jarvinen, Joel1560FIN−6N+11B−14N−5B−9BF+12N2.016.016.04.501668+22.8
14Soboleva, Lidiia1401FINF−1N+13B−3B−10N−7N−11B1.021.021.02.001450+5.6
15Kaisto, Eemil1840FIN−1B=9NFFF−11NF0.513.513.51.501596-34.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets