CChessStats

III Letni Festiwal Szachowy - Czeladz - OPEN do FIDE - 9 rund

Open SwissStandard

22 players participated in this 9-round tournament, held from 28 Jul 2025 to 31 Jul 2025 in Czeladz, Poland. 1 titled players. Top 10 Elo average was 1876, and top seed was Artur Oborski (🇵🇱 POL, 2004).

Artur Oborski (🇵🇱 POL, 2004) won with 8.0/9, ahead of Jeremi Wesolowski (6.5) and Ludwik Doroba (6.0). Oborski took the lead from round 5.

The biggest upset came in round 3: Jeremi Wesolowski (1714) beat Dawid Marekwica (1923), a +209-point gap.

Location
🇵🇱Czeladz, Poland
Dates
28 Jul 2025 → 31 Jul 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 9 rounds
Top seed
🇵🇱Artur Oborski2004
Avg top 10
1,876
Participants
22
Titled players · 1
WCM×1
Federations · 1 represented
🇵🇱Poland×22
Top 3

How it unfolded

Top 6 · 9 rounds

Artur Oborski led from R5; +1.5-point edge over the runner-up.

Co-leaders
10
4
1
1
1
1
1
1
1
2.54.579R1R2R3R4R5R6R7R8R9Oborski takes lead
Oborski8Wesolowski6.5Doroba6Cieslak5.5Adam5.5Rojek5
R5 · LEADER CHANGE29 Jul

Artur Oborski takes the sole lead (4.5/5).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Artur Oborski beat Jeremi Wesolowski (White).

WIN STREAKS · 2 top finishers

Artur Oborski 7 wins (R2–R8)Jeremi Wesolowski 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Artur Oborski*
1
1
½
2Jeremi Wesolowski
0
*
1
1
3Ludwik Doroba
0
0
*—
4WCMWiktoria Cieslak
½
0
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Oborski, Artur2004POL=11N+16B+9N+6B+2B+10N+3N+8B=4B8.043.046.541.252164+27.6
2Wesolowski, Jeremi1714POL+22N+3B+14N+4B−1N=6B=5N+11B=9N6.544.544.528.752006+119.2
3Doroba, Ludwik1885POL+19B−2N+10B=7N+12B+14N−1B+6B=5N6.044.546.526.751938+28.0
4Cieslak, WiktoriaWCM1919POL+16N+5B=6N−2N=7B=11B=9N+14B=1N5.544.548.027.501886-6.2
5Adam, Marcin1806POL+13B−4N+19B−14B+17N=7N=2B+10N=3B5.540.542.523.751817+6.6
6Modzelewski, Filip1916POL+15B+7N=4B−1N+8B=2N=10B−3N=12B5.046.050.025.001860-21.7
7Balon, Adam1780POL+20N−6B+13N=3B=4N=5B=11N=9B=8N5.042.044.023.001802+13.6
8Rojek, Wojciech1858POL+18N−14B+15N=11B−6N+12B+13B−1N=7B5.041.544.021.501778-29.3
9Ciupek, Oskar1758POL+17B=10N−1B−12N+16B+18N=4B=7N=2B5.041.544.020.001779+12.0
10Czech, Franciszek1914POL+21N=9B−3N+15B+14N−1B=6N−5B+16N5.041.543.519.001829-32.7
11Dembicz, Patryk1705POL=1B=12N+17B=8N=18B=4N=7B−2N+20N5.040.542.520.501754+11.0
12Wisniowski, Marcel1698POL−14N=11B+21N+9B−3N−8N+18B+17B=6N5.036.038.017.501771+33.6
13Toczynska, Natalia1502POL−5N+21B−7B−20N+19B+15B−8N+18N+22B5.028.028.010.501640+51.6
14Marekwica, Dawid1923POL+12B+8N−2B+5N−10B−3B+17N−4N=15B4.542.545.520.501767-63.1
15Chekanov, Dmytro1576POL−6N+20B−8B−10N+22B−13N=16B+19N=14N4.032.032.08.001636+12.4
16Lassak, Franciszek1641POL−4B−1N+20B−17N−9N+19B=15N+22N−10B3.534.534.56.001563-39.2
17Blaszczyk, Igor1441POL−9N+18B−11N+16B−5B+21N−14B−12NF3.033.035.08.001603+55.2
18Piatek, Rafal1508POL−8B−17N+22B+19N=11N−9B−12N−13B—2.530.030.04.501415-16.4
19Gacik, Szymon1558POL−3N+22B−5N−18B−13N−16N+20B−15BF2.031.531.52.001319-76.4
20Mierzwinski, Wiktor1457POL−7B−15N−16N+13B−21N+22B−19NF−11B2.026.526.55.001309-48.8
21Zozgornik, Dawid1561POL−10B−13N−12B+22N+20B−17B———2.020.020.02.001365-26.0
22Chudy, Krzysztof0POL−2B−19N−18N−21B−15N−20NF−16B−13N0.027.527.50.007680.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets