CChessStats

Mala norma na jedynke i kandydata "Bialystok 2025-6"

Open SwissStandard

13 players participated in this 5-round tournament, held from 29 Nov 2025 to 30 Nov 2025 in Bialystok, Poland. 1 titled players. Top 10 Elo average was 1733, and top seed was Anastasiya Obukhava (🇵🇱 POL, WFM, 2146).

Jakub Szuminski (🇵🇱 POL, 1909) won with 4.5/5, ahead of Anastasiya Obukhava (4.0) and Wiktor Wnorowski (4.0). Szuminski shared the lead from round 4 and broke clear in the final round.

The biggest upset came in round 4: Jakub Szuminski (1909) beat Anastasiya Obukhava (WFM, 2146), a +237-point gap.

Location
🇵🇱Bialystok, 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
🇵🇱WFMAnastasiya Obukhava2146
Avg top 10
1,733
Participants
13
Titled players · 1
WFM×1
Federations · 1 represented
🇵🇱Poland×13
Top 3

How it unfolded

Top 6 · 5 rounds

Jakub Szuminski led from R5; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders
6
4
1
2
1
1.52.545R1R2R3R4R5Szuminski takes lead
Szuminski4.5Obukhava4Wnorowski4Talecki3.5Wnorowski3Mykhaliuk3
R5 · LEADER CHANGE30 Nov

Jakub Szuminski takes the sole lead (4.5/5).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Jakub Szuminski beat WFM Anastasiya Obukhava (Black).

R1–R3 · WIN STREAK

WFM Anastasiya Obukhava won 3 in a row (R1–R3).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Jakub Szuminski*
1
½
—
2WFMAnastasiya Obukhava
0
*—
1
3Wiktor Wnorowski
½
—*
½
4Karol Talecki—
0
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Szuminski, Jakub1909POL+11B+7N=3B+2N+5B4.513.014.012.002150+48.8
2Obukhava, AnastasiyaWFM2146POL+4N+6B+5N−1B+10N4.014.015.010.502025-18.0
3Wnorowski, Wiktor1838POL+9N+13B=1N+6B=4N4.012.012.08.001925+18.0
4Talecki, Karol1624POL−2B+12N+8B+9N=3B3.511.012.06.001848+26.8
5Wnorowski, Lukasz1628POL+10B+11N−2B+7N−1N3.011.512.54.001809+40.4
6Mykhaliuk, Mykhailo1775POL+12B−2N+9B−3N+7B3.011.012.04.001829+6.4
7Puszko, Szymon1682POL+8N−1B+13N−5B−6N2.012.512.52.001516-34.4
8Choinski, Ignacy1458POL−7BF−4N+13B+9N2.06.56.51.001515+1.2
9Harasimczuk, Jakub1612POL−3B+10N−6N−4B−8B1.012.513.51.001397-27.0
10Romaniuk, Oskar1439POL−5N−9BF+11N−2B1.09.09.01.001484+5.6
11Bujnowski, Adam1614POL−1N−5B+12N−10B—1.08.59.51.001431-20.0
12Sazon, Adam1498POL−6N−4B−11BF+13N1.07.57.50.00872-17.0
13Wieliczko, Natalia0POLF−3N−7B−8N−12B0.09.09.00.008330.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets