CChessStats

X Ogolnopolski Turniej Szachowy o Puchar Prezydenta Miasta Kalisza grupa A

Open SwissStandard

14 players participated in this 5-round tournament, held from 25 Oct 2025 to 26 Oct 2025 in Kalisz, Poland. 1 titled players from 2 federations. Top 10 Elo average was 1682, and top seed was Marcin Pyrek (🇵🇱 POL, 1804).

Marcin Pyrek (🇵🇱 POL, 1804) won with 4.0/5, ahead of Anna Hrckova (4.0) and Milosz Plachta (3.0). Pyrek won on tie-break after catching the field in the final round.

The biggest upset came in round 1: Kamil Witczak (1592) beat Marcin Pyrek (1804), a +212-point gap.

Location
🇵🇱Kalisz, Poland
Dates
25 Oct 2025 → 26 Oct 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇵🇱Marcin Pyrek1804
Avg top 10
1,682
Participants
14
Titled players · 1
WCM×1
Federations · 2 represented
🇵🇱Poland×13
🇨🇿Czech Republic×1
Top 3

How it unfolded

Top 6 · 5 rounds

Tight race until R5; 2 players tied at 4.0/5, decided on Buchholz.

Co-leaders
4
2
1
1
2
1.52.545R1R2R3R4R5
Pyrek4Hrckova4Witczak3Krzeszewski3Plachta3Switalski2.5
R5 · TIEBREAK CLUSTER

2 players finish on 4.0/5. Pyrek takes the title on Buchholz Cut1 (11.5).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Marcin Pyrek beat WCM Anna Hrckova (White).

WIN STREAKS · 2 top finishers

Marcin Pyrek 4 wins (R2–R5)WCM Anna Hrckova 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Marcin Pyrek*
1
0
—
2WCMAnna Hrckova
0
*——
3Kamil Witczak
1
—*—
4Filip Krzeszewski———*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Pyrek, Marcin1804POL−4B+13N+8B+6N+2B4.011.512.09.001874+18.0
2Hrckova, AnnaWCM1764CZE+14N+12B+6N+3B−1N4.010.510.56.501885+18.3
3Plachta, Milosz1699POL=8B+7N+9B−2N=4N3.011.513.57.001665-6.8
4Witczak, Kamil1592POL+1N−6B=11N+9N=3B3.011.513.08.251815+30.0
5Krzeszewski, Filip1615POL=7B−9N=13B+10N+8B3.08.59.05.501704+18.0
6Rusek, Witold1748POL+13B+4N−2B−1B=9N2.513.013.54.501703-12.0
7Switalski, Kazimierz0POL=5N−3B=10N+13B=11N2.59.510.03.7516220.0
8Holowienko, Kacper1500POL=3N+10B−1N=11B−5N2.012.013.54.251599+22.4
9Majchrzak, Piotr1800POL=10N+5B−3N−4B=6B2.011.513.55.251575-60.0
10Adamski, Bartosz1575POL=9B−8N=7B−5B+13N2.09.510.02.751532-11.6
11Leszczowski, Artur1662POL−12NF=4B=8N=7B1.58.58.53.751548-12.4
12Rusek, Mariusz0POL+11B−2N———1.04.05.51.5017140.0
13Wroblewski, Tobiasz1557POL−6N−1B=5N−7N−10B0.512.014.01.501365-33.2
14Pietryk, Filip1512POL−2BF———0.04.05.50.00965-7.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets