CChessStats

II Turniej z Okazji Zakonczenia Roku Chemik Cup Grupa A

Open SwissStandard

14 players participated in this 5-round tournament, held from 29 Dec 2025 to 30 Dec 2025 in Bydgoszcz, Poland. Top 10 Elo average was 1769, and top seed was Andrei Jr Maksimenko (🇵🇱 POL, 1872).

Wiktor Weber (🇵🇱 POL, 1853) won with 4.0/5, ahead of Andrei Jr Maksimenko (4.0) and Adrian Wasiolek (3.5). Weber took the lead from round 4, winning on tie-break.

The biggest upset came in round 4: Jakub Kosicki (1607) beat Aleksander Polak (1872), a +265-point gap.

Location
🇵🇱Bydgoszcz, Poland
Dates
29 Dec 2025 → 30 Dec 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇵🇱Andrei Jr Maksimenko1872
Avg top 10
1,769
Participants
14
Federations · 1 represented
🇵🇱Poland×14
Top 3

How it unfolded

Top 6 · 5 rounds

Tight race until R5; 2 players tied at 4.0/5, decided on Buchholz.

Co-leaders
6
1
1
1
2
1.52.545R1R2R3R4R5Weber takes lead
Maksimenko4Weber4Wasiolek3.5Bialkowski3Kapela3Joachimiak2.5
R4 · LEADER CHANGE30 Dec

Wiktor Weber takes the sole lead (3.5/4).

R5 · TIEBREAK CLUSTER

2 players finish on 4.0/5. Weber takes the title on Buchholz Cut1 (11.5).

R1–R5 · UNBEATEN

Andrei Jr Maksimenko went unbeaten across 5 games (R1–R5).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Andrei Jr Maksimenko*———
2Wiktor Weber—*
½
—
3Adrian Wasiolek—
½
*
1
4Jan Bialkowski——
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Weber, Wiktor1853POL+7B=6N+8B+4N=3B4.011.514.011.001918+13.2
2Maksimenko, Andrei Jr1872POL=8B+10N=6B+7N+4B4.010.512.510.001884+1.2
3Wasiolek, Adrian1839POL+9N−4B+5N+6B=1N3.512.515.010.002084+20.6
4Kapela, Norbert0POL+10N+3N+12B−1B−2N3.013.515.07.0018470.0
5Bialkowski, Jan1824POL+13B=12N−3B+8N=7B3.010.011.05.501798-3.6
6Joachimiak, Adam1723POL+11N=1B=2N−3N=9B2.514.016.07.251741+5.2
7Kosecki, Oskar1640POL−1N+11B+9N−2B=5N2.513.515.56.001737+12.0
8Makarewicz, Jakub1696POL=2N+14B−1N−5B+12B2.512.513.54.501817+32.4
9Kosicki, Jakub1607POL−3B+13N−7B+12N=6N2.510.011.03.751731+33.6
10Terekhov, Bohdan1704POL−4B−2B+11N=13N=14B2.010.011.03.001668-7.6
11Yu, Jie1553POL−6B−7N−10B+14B+13N2.08.09.02.001592+11.6
12Polak, Aleksander1872POL+14N=5B−4N−9B−8N1.511.012.02.501609-27.8
13Frackowiak, Szymon1580POL−5N−9B=14N=10B−11B1.09.510.51.501427-38.4
14Slowik, Adam1670POL−12B−8N=13B−11N=10N1.08.09.01.501440-29.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets