CChessStats

Turniej szachowy z okazji 5-lecia UKS Szachy Osielsko - grupa A

Open SwissStandard

8 players participated in this 5-round tournament, held from 28 Feb 2026 to 01 Mar 2026 in Osielsko, Poland. Top 10 Elo average was 1491, and top seed was Jacek Jesse (🇵🇱 POL, 1888).

Pawel Brudnicki (🇵🇱 POL, 1831) won with 3.5/5, ahead of Jacek Jesse (3.5) and Adam Joachimiak (3.5). Brudnicki shared the lead from round 1, winning on tie-break.

The biggest upset came in round 5: Pawel Kosecki (1461) beat Adrian Wasiolek (1853), a +392-point gap.

Location
🇵🇱Osielsko, Poland
Dates
28 Feb 2026 → 01 Mar 2026
Time control
Standard: 90 minutes for the whole game
System
Swiss · 5 rounds
Top seed
🇵🇱Jacek Jesse1888
Avg top 10
1,491
Participants
8
Federations · 1 represented
🇵🇱Poland×8
Top 3

How it unfolded

Top 6 · 5 rounds

Tight race until R3; 3 players tied at 3.5/5, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 3 at the finish.

Co-leaders
4
4
1
2
3
1.52.545R1R2R3R4R5
R3–R5 · LEAD HELD

Pawel Brudnicki held the sole lead from R3 through R5 without losing it.

R5 · TIEBREAK CLUSTER

3 players finish on 3.5/5. Brudnicki takes the title on Buchholz Cut1 (12.5).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Pawel Brudnicki drew with Jacek Jesse (White).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Pawel Brudnicki*
½
1
½
2Jacek Jesse
½
*
½
½
3Adam Joachimiak
0
½
*
4Adrian Wasiolek
½
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Brudnicki, Pawel1831POL+6N=4B+3N=2B=5B3.512.514.510.001875+16.0
2Jesse, Jacek1888POL+5N=3B=4N=1N+8B3.512.512.57.501874-1.6
3Joachimiak, Adam1734POL+8B=2N1B+6N+7B3.511.011.05.751756+7.2
4Wasiolek, Adrian1853POL+7B=1N=2B+5N6B3.011.513.58.001740-10.4
5Pubanc, Adrian1697POL2B+8N+7B4B=1N2.512.012.03.751673-6.0
6Kosecki, Pawel1461POL1B7N+8B3B+4N2.012.012.03.001529+6.8
7Tucholski, Hubert1467POL4N+6B5N+8B3N2.011.011.02.0014930.0
8Jurkiewicz, Kazimierz0POL3N5B6N7N2N0.011.513.50.008490.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets