CChessStats

Witaj Zimo 2025 - FIDE

Open SwissStandard

23 players participated in this 5-round tournament, held from 20 Dec 2025 to 21 Dec 2025 in Zabrze, Poland. Top 10 Elo average was 1796, and top seed was Filip Modzelewski (🇵🇱 POL, 1986).

Jakub Wieczorek (🇵🇱 POL, 1926) won with 4.5/5, ahead of Aleksander Cichocki (4.0) and Filip Modzelewski (3.5). Wieczorek broke clear in the final round.

The biggest upset came in round 1: Mateusz Ujma (1533) beat Franciszek Bozek (1768), a +235-point gap.

Location
🇵🇱Zabrze, Poland
Dates
20 Dec 2025 → 21 Dec 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇵🇱Filip Modzelewski1986
Avg top 10
1,796
Participants
23
Federations · 1 represented
🇵🇱Poland×23
Top 3

How it unfolded

Top 6 · 5 rounds

Jakub Wieczorek 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
10
4
6
2
1
1.52.545R1R2R3R4R5
Wieczorek4.5Cichocki4Kuczok3.5Modzelewski3.5Plowy3.5Karas3.5
R5–R5 · LEAD HELD

Jakub Wieczorek held the sole lead from R5 through R5 without losing it.

WIN STREAKS · 2 top finishers

Jakub Wieczorek 4 wins (R2–R5)Stanislaw Kuczok 3 wins (R3–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Jakub Wieczorek*—
½
1
2Aleksander Cichocki—*—
½
3Stanislaw Kuczok
½
—*—
4Filip Modzelewski
0
½
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Wieczorek, Jakub1926POL=5N+14B+3N+10B+4N4.513.015.013.252100+17.4
2Cichocki, Aleksander1737POL+17N=3B+11N=7B+15N4.011.012.59.251965+47.2
3Modzelewski, Filip1986POL+20B=2N−1B+16N+7N3.513.515.08.501891-16.4
4Plowy, Karol1788POL+23N+12B=10N+9B−1B3.512.512.56.751874+23.6
5Kuczok, Stanislaw1612POL=1B−8N+21B+17N+13B3.511.012.06.751795+46.8
6Karas, Jan1707POL+13B−7B+19N=8N+10B3.510.512.07.501806+22.0
7Wojtowicz, Marek1841POL+16B+6N=9B=2N−3B3.014.016.09.001816-2.6
8Bozek, Franciszek1768POL−14N+5B+18N=6B=9N3.012.013.58.251686-20.8
9Monka, Patryk1680POL+22N+11B=7N−4N=8B3.012.013.06.501792+23.6
10Bieszczad, Michal1755POL+18B+15N=4B−1N−6N2.513.515.05.251652-11.6
11Zielinski, Marcin1772POL+21B−9N−2B=18N+17B2.510.011.03.251601-21.4
12Kowalik, Igor1656POL+19B−4N−13B=21N+18B2.58.59.53.501502-34.0
13Gruszczynski, Miroslaw1480POL−6N+23B+12N−15B−5N2.011.511.52.501644+34.8
14Ujma, Mateusz1533POL+8B−1N−15B−19N+22B2.011.012.04.001851+14.4
15Poprzecki, Bartosz0POLF−10B+14N+13N−2B2.010.510.54.0016260.0
16Kolasa, Zbigniew1603POL−7N=17B+22N−3B=19B2.09.510.52.501499-8.8
17Mamak, Malgorzata1491POL−2B=16N+20B−5B−11N1.512.013.52.501516+4.4
18Szymura, Oliwia1533POL−10N+20N−8B=11B−12N1.510.512.02.751562+2.8
19Kost, Lukasz0POL−12NF−6B+14B=16N1.510.010.03.0015380.0
20Fysz, Marcin1619POL−3N−18B−17N=22B+21B1.57.58.51.501450-35.6
21Beier, Tymoteusz1555POL−11N=22B−5N=12B−20N1.010.011.01.751338-38.8
22Goor, German0POL−9B=21N−16B=20N−14N1.08.59.51.2513560.0
23Burszczan, Piotr1600POL−4B−13N———0.03.55.50.00832-37.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets