CChessStats

Szach Krolowi - Zostan Mistrzem B4 2025

Open SwissStandard

12 players participated in this 5-round tournament, held from 29 Nov 2025 to 30 Nov 2025 in Lublin, Poland. Top 10 Elo average was 1633, and top seed was Maciej Pokarowski (🇵🇱 POL, 1799).

Wojciech Maciejewski (🇵🇱 POL, 1602) won with 4.0/5, ahead of Weronika Dajek (4.0) and Krystian Debczak (4.0). Maciejewski took the lead from round 4, winning on tie-break.

The biggest upset came in round 2: Grzegorz Borowik (1510) beat Tomasz Rogowski (1744), a +234-point gap.

Location
🇵🇱Lublin, Poland
Dates
29 Nov 2025 → 30 Nov 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇵🇱Maciej Pokarowski1799
Avg top 10
1,633
Participants
12
Federations · 1 represented
🇵🇱Poland×12
Top 3

How it unfolded

Top 6 · 5 rounds

Tight race until R4; 3 players tied at 4.0/5, decided on Buchholz.

Co-leaders
6
3
1
1
3
1.52.545R1R2R3R4R5Maciejewski takes lead
Maciejewski4Dajek4Debczak4Pokarowski3Rozanski2.5Cieplak2.5
R4 · LEADER CHANGE30 Nov

Wojciech Maciejewski takes the sole lead (3.5/4).

R5 · TIEBREAK CLUSTER

3 players finish on 4.0/5. Maciejewski takes the title on Buchholz Cut1 (13.5).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Wojciech Maciejewski beat Weronika Dajek (Black).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Wojciech Maciejewski*
1
1
1
2Weronika Dajek
0
*—
1
3Krystian Debczak
0
—*—
4Maciej Pokarowski
0
0
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Maciejewski, Wojciech1602POL+4B+3N=6B+2N=5B4.013.516.013.501903+75.6
2Dajek, Weronika1689POL+11N+7B+5N−1B+4B4.011.512.08.001875+40.7
3Debczak, Krystian1619POL+9N−1B+8N+6B+7N4.010.512.08.001795+21.4
4Pokarowski, Maciej1799POL−1N+9B+7N+5B−2N3.012.514.06.001672-15.0
5Cieplak, Dariusz1625POL+8B+6N−2B−4N=1N2.513.515.56.501636+1.4
6Rozanski, Milosz1588POL+12N−5B=1N−3N+11B2.511.011.02.501628+12.4
7Kedziora, Antoni1605POL+10B−2N−4B+11N−3B2.012.012.51.501470-27.6
8Borowik, Grzegorz1510POL−5N+12B−3B+9N—2.08.08.01.501617+11.2
9Sochacki, Marcin1476POL−3B−4N=11B−8B+10N1.510.010.51.251296-32.0
10Czernichowski, Konrad0POL−7N+11BFF−9B1.04.04.00.501417-16.4
11Paluch, Andrzej1545POL−2B−10N=9N−7B−6N0.510.011.00.751266-25.4
12Rogowski, Tomasz1744POL−6B−8N———0.02.54.50.00746-60.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets