CChessStats

Akaan Shakin viikonlopputurnaus Ryhma C

Open SwissStandard

20 players participated in this 5-round tournament, held from 20 Sept 2025 to 21 Sept 2025 in Akaa, Finland. Top 10 Elo average was 1692, and top seed was Anssi Halmesvirta (🇫🇮 FIN, 1855).

Aarni Kesavaara (🇫🇮 FIN, 1549) won with 3.5/5, ahead of Valtteri Nokso-Koivisto (3.0) and Markus Ojala (3.0). Kesavaara broke clear in the final round.

The biggest upset came in round 5: Aarni Kesavaara (1549) beat Valtteri Parssinen (1798), a +249-point gap.

Location
🇫🇮Akaa, Finland
Dates
20 Sept 2025 → 21 Sept 2025
Time control
Standard: 90 minutes for game with 30 seconds delay from move 1
System
Swiss · 5 rounds
Top seed
🇫🇮Anssi Halmesvirta1855
Avg top 10
1,692
Participants
20
Federations · 1 represented
🇫🇮Finland×20
Top 3

How it unfolded

Top 6 · 5 rounds

Aarni Kesavaara led from R5; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders
20
8
2
2
1
1.52.545R1R2R3R4R5
R5–R5 · LEAD HELD

Aarni Kesavaara held the sole lead from R5 through R5 without losing it.

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Aarni Kesavaara*
2Pekka Lempea*
0
3Markus Ojala
1
*
4Aleksi Kaitila*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Kesavaara, Aarni1549FINF+12B+6N=2B+14B3.59.59.58.002495+54.8
2Nokso-Koivisto, Valtteri0FINF=7B+3N=1N+9B3.011.011.08.0016900.0
3Ojala, Markus0FINF+15N2B+5N+8B3.09.59.56.5016880.0
4Kaitila, Aleksi1700FINF+9N=8B+14N=7B3.08.08.05.751908+21.4
5Lempea, Pekka1547FINF+13B+17N3B+10N3.08.08.05.002428+72.8
6Maensivu, Martti1591FINF+20B1B+12N+11B3.07.57.54.001686+7.6
7Halmesvirta, Anssi1855FINF=2N+18B=8N=4N2.59.09.05.001714-8.8
8Kokkonen, Kristian1597FINF+19N=4N=7B3N2.09.09.03.251835+37.2
9Gemenetzis, Iris1609FINF4B+10N+18B2N2.09.09.03.001760+24.8
10Tuomisto, Kalevi1734FINF+11N9B+16N5B2.08.58.53.501494-19.0
11Sillanpaa, Jyrki1703FINF10B+13N+19B6N2.07.57.52.501624-17.2
12Ringbom, Pasi0FINF1N+19B6B+20N2.07.07.00.5015360.0
13Vuorinen, Juha1595FINF5N11B+20B+17N2.06.06.01.001559-3.8
14Parssinen, Valtteri1798FINF=18N+15B4B1N1.59.09.02.001527-55.6
15Koivumaki, Marko1738FINF3B14N+17B=18N1.56.56.51.501608-9.8
16Fager-Pintila, Ilpo0FINF17B+20N10B=19N1.53.53.50.2514870.0
17Hyttinen, Pyry1554FINF+16N5B15N13B1.08.08.01.50827-48.4
18Varfolomeev, Maksim1471FINF=14B7N9N=15B1.07.57.51.501557+11.6
19Jarvela, Helmi1575FINF8B12N11N=16B0.57.57.50.75850-32.0
20Pokki, Kalle1433FINF6N16B13N12B0.08.58.50.00793-23.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets