CChessStats

IV Wielkopolska Liga Seniorow 2026 B Round 5-6

Open SwissStandard

50 players participated in this 6-round tournament, held on 31 Jan 2026 in Koscielec, Poland. Top 10 Elo average was 1868, and top seed was Krzysztof Zakrzewicz (🇵🇱 POL, 2004).

Antoni Szczygielski (🇵🇱 POL, 1634) won with 2.0/6, ahead of Grzegorz Szczepanski (2.0) and Marcin Bubniewicz (2.0). Szczygielski won on tie-break after catching the field in the final round.

The biggest upset came in round 5: Arkadiusz Lapot (1680) beat Krzysztof Zakrzewicz (2004), a +324-point gap.

Location
🇵🇱Koscielec, Poland
Dates
31 Jan 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Top seed
Avg top 10
1,868
Participants
50
Federations · 1 represented
🇵🇱Poland×48
Top 3

How it unfolded

Top 6 · 6 rounds

Tight race until R6; 7 players tied at 2.0/6, decided on Buchholz. Title race narrowed from 65 co-leaders at R4 to 7 at the finish.

Co-leaders
65
65
65
65
24
7
1.534.56R1R2R3R4R5R6
R6 · TIEBREAK CLUSTER

7 players finish on 2.0/6. Szczygielski takes the title on Buchholz Cut1 (1.0).

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Szczygielski, Antoni1634POLFFFF+39B+26B2.01.01.01.002370+16.8
2Szczepanski, Grzegorz1678POLFFFF+38B+20N2.01.01.01.002463+19.2
3Bubniewicz, Marcin1448POLFFFF+25B+40N2.01.01.01.002398+28.0
4Przymus, Marcin1503POLFFFF+24B+43N2.01.01.01.002537+15.8
5Witwicki, Pawel1883POLFFFF+34N+39B2.00.50.50.502528+14.0
6Budzinski, Aleksander0POLFFFF+?N+38N2.00.00.00.002509+56.4
7Dorywalska, Natalia0POLFFFF+?N+?N2.00.00.00.0015760.0
8Sniezek, Kacper1823POLFFFF=10B+27N1.52.52.51.751867+2.4
9Wolnicki, Antoni1635POLFFFF+35B=12N1.52.02.01.252006+38.0
10Szrejter, Lukasz1769POLFFFF=8N+33B1.52.02.01.252026+13.6
11Konieczka, Konrad1621POLFFFF+28B=36N1.51.51.51.251673+2.4
12Smagalski, Jaroslaw1896POLFFFF+47N=9B1.51.51.50.751635-6.4
13Trembecki, Hubert1493POLFFFF+41N=21B1.51.01.00.501842+36.0
14Kolinski, Jakub1787POLFFFF+45B=22N1.51.01.00.501753-1.2
15Kulczewski, Zygmunt1942POLFFFF+48N=32B1.50.50.50.251770-6.0
16Dobrzykowski, Michal0POLFFFF+?N=?B1.50.00.00.0015500.0
17Chojnacka, Ada0POLFFFF=?B+?N1.50.00.00.0014790.0
18Leszczynski, Henryk0POLFFFF=?B+42B1.50.00.00.0015900.0
19Pawlak, Igor0POLFFFF+46N=?N1.50.00.00.0016550.0
20Mazurek, Oskar1560POLFFFF+32N2B1.02.52.50.501631+7.6
21Pilarski, Tomasz1722POLFFFF=37B=13N1.02.02.01.001547-9.0
22Janczak, Marcin1674POLFFFF=33N=14B1.02.02.01.001815+14.8
23Zakrzewicz, Krzysztof2004POLFFFF29N+30N1.02.02.01.001654-15.6
24Szczepanski, Andrzej1737POLFFFF4N+41B1.02.02.00.001540-10.0
25Szumigalski, Mikolaj1598POLFFFF3N+49B1.02.02.00.001489-6.0
26Salyga, Pawel1716POLFFFF+40N1N1.02.02.00.00837-24.4
27Lachacz, Witold1579POLFFFF+42B8B1.01.51.50.001697+5.8
28Uscilowicz, Jaroslaw1453POLFFFF11N+44B1.01.51.50.001556+8.0
29Lapot, Arkadiusz1680POLFFFF+23B1.01.01.01.002804+17.4
30Michno, Lukasz1628POLFFFF+44B23B1.01.01.00.001747+4.4
31FIDE 911657840FFFF?N+?B1.00.00.00.007630.0
32Wysokowicz, Szymon1581POLFFFF20B=15N0.52.52.50.751560-5.2
33Krell, Julian1841POLFFFF=22B10N0.52.52.50.501530-32.8
34Bugaj, Mikolaj1972POLFFFF5B=35N0.52.52.50.251613-18.4
35Buchwald, Filip1730POLFFFF9N=34B0.52.02.00.251611-6.6
36Trzcinski, Wojciech1481POLFFFFF=11B0.51.51.50.751621+7.6
37Lieske, Milena1602POLFFFF=21N0.51.01.00.501722+6.4
38Tomaszewski, Robert1762POLFFFF2N6B0.04.04.00.00878-12.4
39Los, Jan1423POLFFFF1N5N0.04.04.00.00930-12.4
40Dlugolencki, Dominik0POLFFFF26B3B0.03.03.00.007830.0
41Slotala, Jan1599POLFFFF13B24N0.02.52.50.00815-36.0
42Gibowicz, Maciej1570POLFFFF27N18N0.02.52.50.00779-9.8
43Sajniak, Bartosz0POLFFFFF4B0.02.02.00.007030.0
44Szaszkowski, Kacper1490POLFFFF30N28N0.02.02.00.00754-32.8
45Mortek, Fabian1446POLFFFF14N0.01.51.50.00988-4.8
46Lisowski, Daniel0POLFFFF19B?B0.01.51.50.007480.0
47Prus, Krzysztof0POLFFFF12B0.01.51.50.0010960.0
48Prus, Antoni1567POLFFFF15B0.01.51.50.001142-4.0
49Slawinski, Jan1527POLFFFFF25N0.01.01.00.00798-16.0
50FIDE 5450667520FFFF?B?N0.00.00.00.006860.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets