CChessStats

Turniej klasyfikacyjny - Wiosna w KSz STILON - grupa A

Open SwissStandard

18 players participated in this 5-round tournament, held from 20 Mar 2026 to 22 Mar 2026 in Gorzow Wlkp., Poland. 2 titled players. Top 10 Elo average was 1867, and top seed was Aleksander Czerwonski (🇵🇱 POL, IM, 2257).

Radoslaw Swiderski (🇵🇱 POL, 2087) won with 4.0/5, ahead of Tymoteusz Hury (4.0) and Maciej Koch (4.0). Swiderski shared the lead from round 1, winning on tie-break.

The biggest upset came in round 1: Michal Jedrzejczyk (1543) beat Aleksandra Mataczyna (1902), a +359-point gap.

Location
🇵🇱Gorzow Wlkp., Poland
Dates
20 Mar 2026 → 22 Mar 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇵🇱IMAleksander Czerwonski2257
Avg top 10
1,867
Participants
18
Titled players · 2
IM×1
CM×1
Federations · 1 represented
🇵🇱Poland×18
Top 3

How it unfolded

Top 6 · 5 rounds

Tight race until R4; 4 players tied at 4.0/5, decided on Buchholz.

Co-leaders
9
4
2
1
4
1.52.545R1R2R3R4R5
Swiderski4Hury4Koch4Czerwonski4Strawa3Mataczyna3
R4–R5 · LEAD HELD

Radoslaw Swiderski held the sole lead from R4 through R5 without losing it.

R5 · TIEBREAK CLUSTER

4 players finish on 4.0/5. Swiderski takes the title on Buchholz Cut1 (15.0).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Radoslaw Swiderski beat CM Tymoteusz Hury (White).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Radoslaw Swiderski*
1
0
1
2CMTymoteusz Hury
0
*
1
—
3Maciej Koch
1
0
*—
4IMAleksander Czerwonski
0
——*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Swiderski, Radoslaw2087POL+11B+5N+4N+2B−3N4.015.017.013.002173+14.0
2Hury, TymoteuszCM2119POL+13N+6B+3N−1N+7B4.014.016.012.002103+0.8
3Koch, Maciej1887POL+14B+10N−2B+5N+1B4.013.015.011.002031+40.8
4Czerwonski, AleksanderIM2257POL+12B+8N−1B+9N+6B4.013.015.011.002143-4.1
5Redzimski, Adam1716POL+15N−1B+16N−3B+10N3.012.013.05.001730+0.8
6Kiecana, Aleksander1610POL+18B−2N+10B+12B−4N3.012.012.04.001754+33.1
7Mataczyna, Aleksandra1902POL−10N+16B+12N+8B−2N3.011.012.06.001764-26.0
8Kiecana, Ignacy1718POL+17B−4B+11N−7N+13B3.011.012.05.001798+11.6
9Strawa, Jakub1781POL−16N+14B+13N−4B+11N3.010.011.06.001728-6.4
10Jedrzejczyk, Michal1543POL+7B−3B−6N+15N−5B2.013.015.05.001571+3.6
11Modzelan, Antoni1573POL−1N+15B−8B+17N−9B2.012.013.03.001027-25.2
12Pawelczyk, Krzysztof1592POL−4N+17B−7B−6N+16B2.011.012.02.001524-20.0
13Bajek, Marek1590POL−2B+18N−9B+16N−8N2.011.011.01.001537-7.4
14Lewandowicz, Wojciech1507POL−3N−9N−15B+18N+17B2.010.010.01.001035-5.2
15Kiecana, Maciej0POL−5B−11N+14N−10B+18B2.09.09.02.0013890.0
16Krysztofiak, Victoria1452POL+9B−7N−5B−13B−12N1.011.013.03.001462+4.4
17Kiecana, Antoni0POL−8N−12N+18B−11B−14N1.09.09.00.008000.0
18Michalski, Alexander0POL−6N−13B−17N−14B−15N0.09.010.00.007490.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets