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Swietowanie Niepodleglosci ze Slupska Akademia Szachowa w ZSO - Grupa A

Open SwissStandard

11 players participated in this 5-round tournament, held from 10 Nov 2025 to 11 Nov 2025 in Slupsk, Poland. Top 10 Elo average was 1730, and top seed was Wiktor Czaja (🇵🇱 POL, 2067).

Wiktor Czaja (🇵🇱 POL, 2067) won with 4.0/5, ahead of Igor Skiba (3.5) and Mateusz Leszcz (3.0). Czaja shared the lead from round 4 and broke clear in the final round.

The biggest upset came in round 4: Natan Rula (1639) beat Antoni Cieminski (1797), a +158-point gap.

Location
🇵🇱Slupsk, Poland
Dates
10 Nov 2025 → 11 Nov 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇵🇱Wiktor Czaja2067
Avg top 10
1,730
Participants
11
Federations · 1 represented
🇵🇱Poland×11
Top 3
  • 🥇
    Wiktor Czaja
    🇵🇱POL·2067
    4.0pts·2018perf-8.0
  • 🥈
    Igor Skiba
    🇵🇱POL·1711
    3.5pts·1916perf+51.6
  • 🥉
    Mateusz Leszcz
    🇵🇱POL·1734
    3.0pts·1854perf+31.6

How it unfolded

Top 6 · 5 rounds

Wiktor Czaja led from R5; +0.5-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R5.

Co-leaders
3
2
3
3
1
1.52.545R1R2R3R4R5
Czaja4Skiba3.5Leszcz3Jaroszewicz3Rzepinski3Rula2.5
R5–R5 · LEAD HELD

Wiktor Czaja held the sole lead from R5 through R5 without losing it.

R1 · HEAD-TO-HEAD · WINNER VS 2ND

Wiktor Czaja drew with Igor Skiba (Black).

R1–R5 · UNBEATEN

Wiktor Czaja went unbeaten across 5 games (R1–R5).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Wiktor Czaja*
½
1
½
2Igor Skiba
½
*
½
—
3Mateusz Leszcz
0
½
*
1
4Dawid Jaroszewicz
½
—
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Czaja, Wiktor2067POL=2N+9B=5N+3B+4N4.012.514.010.752018-8.0
2Skiba, Igor1711POL=1B+8N+7B=4N=3B3.512.013.58.501916+51.6
3Leszcz, Mateusz1734POL+10N+5B=4B−1N=2N3.013.514.57.251854+31.6
4Rzepinski, Maciej1800POL+6N+11B=3N=2B−1B3.013.013.05.751787-5.2
5Jaroszewicz, Dawid1845POL+7B−3N=1B+10N=6B3.011.512.56.251794-4.8
6Rula, Natan1639POL−4B−7N+8B+9N=5N2.59.511.04.501735+24.8
7Ozoga, Bartosz1688POL−5N+6B−2N+11BF2.09.09.02.501606-6.6
8Toczynska, Natalia1537POL=9N−2B−6NF+10B1.58.58.51.751570+4.4
9Cieminski, Antoni1797POL=8B−1NF−6B+11N1.58.08.00.751475-24.0
10Michalak, Antonina1481POL−3BF+11N−5B−8N1.07.57.50.00906-28.4
11Marzec, Michal0POLF−4N−10B−7N−9B0.07.57.50.008930.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
Swietowanie Niepodleglosci ze Slupska Akademia Szachowa w ZSO - Grupa A (2025) — Slupsk, Poland | Chess Tournament Results | ChessStats