CChessStats

X Mistrzostwa Kalisza w Szachach Klasycznych Grupa A

Open SwissStandard

15 players participated in this 5-round tournament, held from 25 Apr 2026 to 26 Apr 2026 in Kalisz, Poland. 2 federations represented. Top 10 Elo average was 1704, and top seed was Dmitry Geraschenko (🇺🇦 UKR, 1938).

Dmitry Geraschenko (🇺🇦 UKR, 1938) won with 4.5/5, ahead of Maciej Stanczewski (4.0) and Kajetan Michalczyk (3.5). Geraschenko won solo starting round 4.

The biggest upset came in round 1: Kajetan Michalczyk (1625) beat Filip Krzeszewski (1759), a +134-point gap.

Location
🇵🇱Kalisz, Poland
Dates
25 Apr 2026 → 26 Apr 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇺🇦Dmitry Geraschenko1938
Avg top 10
1,704
Participants
15
Federations · 2 represented
🇵🇱Poland×13
🇺🇦Ukraine×1
Top 3

How it unfolded

Top 6 · 5 rounds

Dmitry Geraschenko led from R4; +0.5-point edge over the runner-up.

Co-leaders
7
3
2
1
1
1.52.545R1R2R3R4R5
R4–R5 · LEAD HELD

Dmitry Geraschenko held the sole lead from R4 through R5 without losing it.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Dmitry Geraschenko beat Maciej Stanczewski (Black).

WIN STREAKS · 2 top finishers

Dmitry Geraschenko 4 wins (R1–R4)Maciej Stanczewski 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Geraschenko, Dmitry1938UKR+7B+6N+9B+2N=3B4.513.516.014.252037+7.8
2Stanczewski, Maciej1686POL+12B+11N+4B1B+7N4.012.012.58.001888+20.4
3Michalczyk, Kajetan1625POL+10B=4N+6B=9N=1N3.513.515.510.251907+73.6
4Kolanowski, Franciszek1700POL+15N=3B2N+5B+9N3.513.013.57.751747+9.6
5Kazmierczak, Sebastian0POL6B+13N+8B4N+10B3.011.512.05.5017020.0
6Skorupa, Antonina1666POL+5N1B3N+14B+13N3.011.512.04.001602-12.0
7Szerffel, Krzysztof1652POL1N+12B+11B+10N2B3.011.512.03.501718+12.8
8Blonski, Piotr1664POL+14B9B5N+12N+11B3.07.07.52.001607-5.6
9Smejda, Hubert1726POL+13B+8N1N=3B4B2.514.515.05.251709-6.0
10Krzeszewski, Filip1759POL3N+15B+14N7B5N2.010.010.51.001490-43.2
11FIDE 5450824050F2B7N+15B8N1.010.510.50.5014500.0
12Adamski, Bartosz1488POL2N7NF8B=14N0.510.510.50.25867-31.6
13Maryniak, Mateusz1619POL9N5B=15NF6B0.59.09.00.251381-34.0
14Krysztal, Marcel0POL8NF10B6N=12B0.58.58.50.2513220.0
15Witczak, Mikolaj1569POL4B10N=13B11NF0.57.07.00.251420-10.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets