CChessStats

Druzynowe Mistrzostwa Stowarzyszenia Cross w Szachach 2025

Open SwissStandard

30 players participated in this 7-round tournament, held from 27 Aug 2025 to 04 Sept 2025 in Wegierska Gorka, Poland. 1 titled players. Top 10 Elo average was 1838, and top seed was Tadeusz Zoltek (🇵🇱 POL, FM, 2080).

Miroslaw Kopiec (🇵🇱 POL, 1816) won with 5.5/7, ahead of Bozena Chudoba (5.5) and Joanna Malcer (5.5). Kopiec shared the lead from round 5, winning on tie-break.

The biggest upset came in round 2: Dominik Biskupek (1467) beat Kinga Kaczmarczyk (1623), a +156-point gap.

Location
🇵🇱Wegierska Gorka, Poland
Dates
27 Aug 2025 → 04 Sept 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Top seed
🇵🇱FMTadeusz Zoltek2080
Avg top 10
1,838
Participants
30
Titled players · 1
FM×1
Federations · 1 represented
🇵🇱Poland×29
Top 3

How it unfolded

Top 6 · 7 rounds

Tight race until R7; 3 players tied at 5.5/7, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 3 at the finish.

Co-leaders
6
2
4
2
4
5
3
23.55.57R1R2R3R4R5R6R7
Kopiec5.5Malcer5.5Chudoba5.5Suder5Zoltek5Pawelec—
R7 · TIEBREAK CLUSTER

3 players finish on 5.5/7. Kopiec takes the title on Buchholz Cut1 (15.5).

WIN STREAKS · 3 top finishers

Miroslaw Kopiec 4 wins (R1–R5)Joanna Malcer 4 wins (R1–R5)Bozena Chudoba 4 wins (R1–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Miroslaw Kopiec*———
2Joanna Malcer—*
½
—
3Bozena Chudoba—
½
*—
4Ryszard Suder———*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Kopiec, Miroslaw1816POL+9NF+28B+13N+17B=12N+18B5.515.515.514.001961+12.6
2Chudoba, Bozena1626POL+26N+23BF+25N+8B=3N+16B5.514.514.511.751854+16.4
3Malcer, Joanna1655POL+8BF+16N+26B+30N=2B+25N5.513.513.510.751845+13.2
4Suder, Ryszard1951POL=6NF+21B+29N+15B=10N+14B5.015.015.011.001990+8.4
5Zoltek, TadeuszFM2080POL=7BF+22N+19B+20N=11B+27N5.014.014.010.001948-9.2
6Pawelec, Bartosz1939POL=4B+21N+29B+15N=10B=14N—4.515.515.59.7519110.0
7Zelajtys, Jozef1774POL=5N+22B+19N+20B−11N+27B—4.514.014.58.501918+14.0
8Biskupek, Dominik1467POL−3N+16B+26N+23B−2N+25B—4.015.516.05.001510+6.8
9Wlodarczyk, Jakub1627POL−1B+28N+13BF+12B+18N—4.014.014.08.501873+61.2
10Kowalczyk, Marian1921POLF=15NF+14B=6N=4B+21N3.516.516.510.2518950.0
11Pociejowski, Marek1872POLFFF+27N+7B=5N+22B3.515.515.58.502120+12.8
12Sokol, Tomasz1673POL=13B−17NF+18B−9N=1B+28N3.018.018.06.751696+3.6
13Wietecki, Jerzy1629POL=12N=18B−9N−1B+28NF+17B3.018.018.05.751560-19.2
14Nowak, Karol1644POL+21B+29N=15B−10NF=6B−4N3.017.017.04.751767+16.8
15Miodonski, Miroslaw1653POLF=10B=14N−6B−4N+21B+29N3.017.017.04.251766+15.6
16Kaczmarczyk, Kinga1623POL+25B−8N−3BF+26N+24B−2N3.017.017.02.00784-66.0
17Makuch, Jan0POLF+12B−18N+?B−1N+28B−13N3.014.014.03.0016020.0
18Krupecka-Bakalarz, Danuta1586POL+28B=13N+17B−12NF−9B−1N2.518.518.54.501491-13.6
19Haciuk, Andrzej1643POLF+27N−7B−5N+22BF=20N2.516.516.52.501564-6.6
20Raczek, Stanislaw1695POLFF+27B−7N−5B=22N=19B2.017.017.02.251559-11.0
21Walczyszewski, Michal1543POL−14N−6B−4NF+29B−15N−10B1.019.019.00.001510-7.8
22Bielski, Tadeusz0POL=27B−7N−5BF−19N=20B−11N1.018.018.01.251388-7.6
23FIDE 5450374770—F−2N+25B−8N———1.010.010.00.507480.0
24Krzyzaniak, Teresa0POLFFFFF−16N+26B1.03.53.50.508210.0
25Smietana, Barbara0POL−16N=26B−23N−2BF−8N−3B0.519.519.50.25793-45.6
26Kaczmarek, Bozena0POL−2B=25N−8B−3N−16BF−24N0.519.519.50.257930.0
27Leskiewicz, Barbara0POL=22N−19B−20N−11BF−7N−5B0.518.518.50.50972-32.4
28Mlodzinski, Mateusz1453POL−18N−9B−1NF−13B−17N−12B0.021.021.00.00867-47.2
29Wegner, Wieslaw1595POLF−14B−6N−4B−21NF−15B0.020.020.00.00946-33.0
30Omanska, Halina0POLFFFF−3B——0.05.55.50.008560.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets