CChessStats

Turniej FIDE w Ursusie do 2399 Elo o Puchar Burmistrza Ursusa B2 2026

Open SwissStandard

32 players participated in this 5-round tournament, held from 09 May 2026 to 10 May 2026 in Warszawa, Poland. Top 10 Elo average was 1669, and top seed was Gleb Wenedisiuk (🇵🇱 POL, 1694).

Krzysztof Szerffel (🇵🇱 POL, 1665) won with 4.5/5, ahead of Kajetan Linh Nguyen (4.0) and Ignacy Perz (4.0). Szerffel won solo starting round 4.

The biggest upset came in round 3: Aleksandra Witecka (1460) beat Bohdan Bernatowicz (1645), a +185-point gap.

Location
🇵🇱Warszawa, Poland
Dates
09 May 2026 → 10 May 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇵🇱Gleb Wenedisiuk1694
Avg top 10
1,669
Participants
32
Federations · 1 represented
🇵🇱Poland×32
Top 3

How it unfolded

Top 6 · 5 rounds

Krzysztof Szerffel led from R4; +0.5-point edge over the runner-up.

Co-leaders
14
4
2
1
1
1.52.545R1R2R3R4R5
Szerffel4.5Brzeski4Perz4Nguyen4Wenedisiuk3.5Szczygielski3.5
R4–R5 · LEAD HELD

Krzysztof Szerffel held the sole lead from R4 through R5 without losing it.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Krzysztof Szerffel drew with Karol Brzeski (Black).

WIN STREAKS · 2 top finishers

Krzysztof Szerffel 4 wins (R1–R4)Karol Brzeski 3 wins (R2–R4)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Krzysztof Szerffel*
½
—
1
2Karol Brzeski
½
*——
3Ignacy Perz——*
0
4Kajetan Linh Nguyen
0
—
1
*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Szerffel, Krzysztof1665POL+26B+21N+6B+2B=4N4.513.515.013.001965+62.0
2Nguyen, Kajetan Linh1669POL+15B+14N+3B−1N+16B4.013.516.011.501831+38.8
3Perz, Ignacy1638POL+20N+5B−2N+12B+8N4.013.015.511.501822+45.2
4Brzeski, Karol1617POL=18B+10N+19B+13B=1B4.012.515.011.501839+55.6
5Szczygielski, Antoni1672POL+11B−3N+15B+21N=7B3.513.015.09.251729+7.6
6Murmantsava, Maryia1667POL+27N+9B−1N=8B+13N3.513.014.58.501716+13.6
7Wenedisiuk, Gleb1694POL+16N=8B=12N+14B=5N3.511.514.09.501735+11.2
8Kopec, Adam1557POL+32B=7N+17B=6N−3B3.013.514.06.501697+38.4
9Radomski, Alan1476POL+28B−6N=10B=17N+21B3.011.012.56.251714+63.2
10Latala, Tomasz1679POL=25N−4B=9N+27B+24N3.010.512.05.751597-20.4
11Majewski, Jan1522POL−5N=23B=25N+29B+22N3.09.010.55.251625+28.0
12Witkowski, Tomasz1546POL+30B=17N=7B−3N=18B2.512.514.05.751530-4.4
13Oles, Jan1644POL+31B=19N+18B−4N−6B2.512.513.54.751552-12.2
14Czyzmanski, Michal1612POL+23N−2B+24N−7N=15B2.512.014.05.251566-12.4
15Chrostowska, Zofia1496POL−2N+29B−5N+30B=14N2.511.513.04.251508+0.8
16Zajkowski, Maciej1543POL−7B+31N=22N+23B−2N2.511.512.54.001595+7.0
17Grzeszczyk, Laura1669POL+24N=12B−8N=9B=19N2.511.013.06.001526-38.4
18Malecki, Adam1468POL=4N+25B−13N=22B=12N2.511.012.55.751603+35.6
19Kotkowska, Antonina1539POL+22N=13B−4N=25B=17B2.511.012.55.251628+24.4
20Radomska, Nikola1468POL−3B=28N−26B+32N+25N2.58.59.02.751553+22.0
21Trzcinski, Brajan1548POL+29N−1B+27N−5B−9N2.012.514.03.001474-20.8
22Lewandowski, Mateusz1681POL−19B+26N=16B=18N−11B2.010.512.04.001441-64.4
23Witecka, Aleksandra1460POL−14B=11N+28B−16N=27B2.09.511.03.751491+7.6
24Slawski, Filip1510POL−17B+32N−14B+26N−10B2.09.510.02.001510-1.2
25Kwasiborska, Zofia1529POL=10B−18N=11B=19N−20B1.511.013.54.251386-38.4
26Jop, Mateusz1492POL−1N−22B+20N−24B=30N1.511.012.53.251388-20.8
27Kozluk, Edward1493POL−6B+30N−21B−10N=23N1.510.512.02.501267-20.0
28Bernatowicz, Bohdan1645POL−9N=20B−23N=31B=29N1.59.010.02.501311-88.0
29Swiderski, Wladyslaw1425POL−21B−15N+31B−11N=28B1.59.010.01.751387-10.4
30Polanski, Tadeusz0POL−12N−27B+32B−15N=26B1.58.08.51.2513480.0
31Mackowiak, Oskar1469POL−13N−16B−29N=28N=32B1.08.08.51.001303-40.4
32Mackowiak, Krystian1459POL−8N−24B−30N−20B=31N0.59.010.00.501179-51.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets