CChessStats

Zimowy Turniej Szachowy KSz Bialo-Czarni Bolszewo - Grupa A

Open SwissStandard

20 players participated in this 5-round tournament, held from 21 Feb 2026 to 22 Feb 2026 in Bolszewo, Poland. Top 10 Elo average was 1714, and top seed was Krzysztof Gadawski (🇵🇱 POL, 1814).

Stanislaw Wieteska (🇵🇱 POL, 1754) won with 4.5/5, ahead of Serafin Szudrowicz (4.0) and Pawel Bodal (3.5). Wieteska broke clear in the final round.

The biggest upset came in round 1: Olgierd Cichy (1584) beat Krzysztof Gadawski (1814), a +230-point gap.

Location
🇵🇱Bolszewo, Poland
Dates
21 Feb 2026 → 22 Feb 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇵🇱Krzysztof Gadawski1814
Avg top 10
1,714
Participants
20
Federations · 1 represented
🇵🇱Poland×20
Top 3

How it unfolded

Top 6 · 5 rounds

Stanislaw Wieteska led from R3; +0.5-point edge over the runner-up.

Co-leaders
10
3
1
2
1
1.52.545R1R2R3R4R5
Wieteska4.5Szudrowicz4Kuczynski3.5Bodal3.5Kaczmarczyk3Gadawski3
R3–R5 · LEAD HELD

Stanislaw Wieteska held the sole lead from R3 through R5 without losing it.

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Stanislaw Wieteska beat Serafin Szudrowicz (White).

R1–R3 · WIN STREAK

Stanislaw Wieteska won 3 in a row (R1–R3).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Stanislaw Wieteska*
1
—
1
2Serafin Szudrowicz
0
*——
3Piotr Kuczynski——*
0
4Pawel Bodal
0
—
1
*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Wieteska, Stanislaw1754POL+11B+14N+2B=5N+3B4.513.015.013.502032+57.6
2Szudrowicz, Serafin1770POL+13N+9B−1N+6B+5B4.013.015.511.001906+32.8
3Bodal, Pawel1595POL+20B=8N+10B+4B−1N3.513.013.57.751814+46.8
4Kuczynski, Piotr1694POL+16B+6N=8B−3N+9B3.511.513.08.251778+22.8
5Kaczmarczyk, Jakub1809POL+17B=10N+7B=1B−2N3.014.015.58.001785-2.2
6Cichy, Olgierd1584POL+7B−4B+15N−2N+8B3.013.015.07.501769+51.2
7Gadawski, Krzysztof1814POL−6N+16B−5N+15B+12N3.010.512.06.001664-33.2
8Szczygiel, Filip1748POL+12N=3B=4N=9B−6N2.512.515.07.251608-37.2
9Ostojski, Nikodem1651POL+15B−2N+11B=8N−4N2.512.514.55.751643+0.4
10Lewandowski, Szymon1684POL+18N=5B−3N−12B+14B2.511.012.55.001613-9.4
11Drapala, Lukasz1542POL−1N+19B−9N=14N+17B2.510.512.04.001594+12.8
12Drapala, Michal1533POL−8B+20N=14B+10N−7B2.510.010.54.001628+16.8
13Kacprzak, Wojciech1552POL−2B−15N+17B=16N+18B2.59.010.53.751575+5.2
14Drapala, Katarzyna1619POL+19N−1B=12N=11B−10N2.012.013.54.001515-26.4
15Kurdej, Miroslaw1454POL−9N+13B−6B−7N+20N2.011.011.53.001453-3.2
16Ziomek, Igor1523POL−4N−7N+18B=13B−19N1.510.512.02.751450-36.4
17Malitka, Marcel1569POL−5N=18B−13N+19B−11N1.59.511.02.251419-35.2
18Penkowski, Mateusz1518POL−10B=17N−16N+20B−13N1.58.08.51.251269-44.0
19Michalak, Antonina1419POL−14B−11N=20B−17N+16B1.57.58.01.751378-7.6
20Matwiejczuk, Maja0POL−3N−12B=19N−18N−15B0.59.511.00.7511380.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets