X Mistrzostwa Kalisza w Szachach Klasycznych Grupa A
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.
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How it unfolded
Top 6 · 5 roundsDmitry Geraschenko led from R4; +0.5-point edge over the runner-up.
Dmitry Geraschenko held the sole lead from R4 through R5 without losing it.
Dmitry Geraschenko beat Maciej Stanczewski (Black).
Dmitry Geraschenko 4 wins (R1–R4)Maciej Stanczewski 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Dmitry Geraschenko | * | 1 | ½ | — |
| 2Maciej Stanczewski | 0 | * | — | 1 |
| 3Kajetan Michalczyk | ½ | — | * | ½ |
| 4Franciszek Kolanowski | — | 0 | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Geraschenko, Dmitry | 1938 | UKR | +7B | +6N | +9B | +2N | =3B | 4.5 | 13.5 | 16.0 | 14.25 | 2037 | +7.8 |
| 2 | Stanczewski, Maciej | 1686 | POL | +12B | +11N | +4B | −1B | +7N | 4.0 | 12.0 | 12.5 | 8.00 | 1888 | +20.4 |
| 3 | Michalczyk, Kajetan | 1625 | POL | +10B | =4N | +6B | =9N | =1N | 3.5 | 13.5 | 15.5 | 10.25 | 1907 | +73.6 |
| 4 | Kolanowski, Franciszek | 1700 | POL | +15N | =3B | −2N | +5B | +9N | 3.5 | 13.0 | 13.5 | 7.75 | 1747 | +9.6 |
| 5 | Kazmierczak, Sebastian | 0 | POL | −6B | +13N | +8B | −4N | +10B | 3.0 | 11.5 | 12.0 | 5.50 | 1702 | 0.0 |
| 6 | Skorupa, Antonina | 1666 | POL | +5N | −1B | −3N | +14B | +13N | 3.0 | 11.5 | 12.0 | 4.00 | 1602 | -12.0 |
| 7 | Szerffel, Krzysztof | 1652 | POL | −1N | +12B | +11B | +10N | −2B | 3.0 | 11.5 | 12.0 | 3.50 | 1718 | +12.8 |
| 8 | Blonski, Piotr | 1664 | POL | +14B | −9B | −5N | +12N | +11B | 3.0 | 7.0 | 7.5 | 2.00 | 1607 | -5.6 |
| 9 | Smejda, Hubert | 1726 | POL | +13B | +8N | −1N | =3B | −4B | 2.5 | 14.5 | 15.0 | 5.25 | 1709 | -6.0 |
| 10 | Krzeszewski, Filip | 1759 | POL | −3N | +15B | +14N | −7B | −5N | 2.0 | 10.0 | 10.5 | 1.00 | 1490 | -43.2 |
| 11 | FIDE 545082405 | 0 | — | F | −2B | −7N | +15B | −8N | 1.0 | 10.5 | 10.5 | 0.50 | 1450 | 0.0 |
| 12 | Adamski, Bartosz | 1488 | POL | −2N | −7N | F | −8B | =14N | 0.5 | 10.5 | 10.5 | 0.25 | 867 | -31.6 |
| 13 | Maryniak, Mateusz | 1619 | POL | −9N | −5B | =15N | F | −6B | 0.5 | 9.0 | 9.0 | 0.25 | 1381 | -34.0 |
| 14 | Krysztal, Marcel | 0 | POL | −8N | F | −10B | −6N | =12B | 0.5 | 8.5 | 8.5 | 0.25 | 1322 | 0.0 |
| 15 | Witczak, Mikolaj | 1569 | POL | −4B | −10N | =13B | −11N | F | 0.5 | 7.0 | 7.0 | 0.25 | 1420 | -10.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Michalczyk, KajetanPOL+73.63.5 pts · #2
- 2Stanczewski, MaciejPOL+20.44.0 pts · #4
- 3Szerffel, KrzysztofPOL+12.83.0 pts · #7
- 1Krzeszewski, FilipPOL-43.22.0 pts · #9
- 2Maryniak, MateuszPOL-34.00.5 pts · #14
- 3Adamski, BartoszPOL-31.60.5 pts · #15
- R1+134 Elo gap
- R4+107 Elo gap