Otwarte Mistrzostwa Koszalina w szachach klasycznych 2026 - OPEN A
Open SwissStandard
30 players participated in this 7-round tournament, held from 03 Jan 2026 to 06 Jan 2026 in Koszalin, Poland. 5 titled players. Top 10 Elo average was 2123, and top seed was Mieszko Mis (🇵🇱 POL, IM, 2397).
Mieszko Mis (🇵🇱 POL, IM, 2397) won with 6.0/7, ahead of Filip Luczak (5.0) and Arkadiusz Piotrowski (5.0). Mis won solo starting round 4.
The biggest upset came in round 2: Arkadiusz Piotrowski (1946) beat Filip Luczak (FM, 2380), a +434-point gap.
Location
🇵🇱Koszalin, Poland
Dates
03 Jan 2026 → 06 Jan 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Titled players · 5
IM×1
FM×3
CM×1
Federations · 1 represented
🇵🇱Poland×30
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsIM Mieszko Mis led from R4; +1.0-point edge over the runner-up.
Co-leaders
11
6
3
1
1
1
1
R4–R7 · LEAD HELD
IM Mieszko Mis never relinquished the lead after R4; final gap +1.0 over the runner-up.
WIN STREAKS · 3 top finishers
IM Mieszko Mis 4 wins (R1–R4)CM Piotr Zareba 5 wins (R3–R7)Arkadiusz Piotrowski 3 wins (R1–R3)
R4 · LATE SURGE
CM Piotr Zareba was #11 at R4, climbed to #2 over the final stretch.
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1IMMieszko Mis | * | — | ½ | ½ |
| 2CMPiotr Zareba | — | * | 1 | — |
| 3Arkadiusz Piotrowski | ½ | 0 | * | 1 |
| 4FMFilip Luczak | ½ | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Mis, MieszkoIM | 2397 | POL | +15N | +7B | +4N | +9B | =3N | +10B | =2N | 6.0 | 27.5 | 30.5 | 25.50 | 2391 | +1.0 |
| 2 | Luczak, FilipFM | 2380 | POL | +20B | −3N | +7B | =4N | +16N | +9B | =1B | 5.0 | 27.5 | 30.5 | 20.00 | 2216 | -18.4 |
| 3 | Piotrowski, Arkadiusz | 1946 | POL | +27N | +2B | +12N | =16B | =1B | +5N | −6B | 5.0 | 27.5 | 29.0 | 19.50 | 2245 | +52.8 |
| 4 | Makhynia, Kostiantyn | 2005 | POL | +30B | +17N | −1B | =2B | +24N | =8N | +10B | 5.0 | 25.0 | 25.0 | 14.25 | 2162 | +28.6 |
| 5 | Markowski, DamianFM | 2085 | POL | −14N | +27B | +18N | +19B | +9N | −3B | +11N | 5.0 | 22.5 | 24.0 | 15.50 | 1983 | -11.2 |
| 6 | Zareba, PiotrCM | 2131 | POL | −7N | −18B | +27N | +21B | +15N | +12B | +3N | 5.0 | 22.0 | 23.5 | 16.00 | 2028 | -19.5 |
| 7 | Gietka, Dariusz | 1788 | POL | +6B | −1N | −2N | +29B | =12N | +24B | +13N | 4.5 | 25.5 | 25.5 | 12.75 | 2093 | +51.0 |
| 8 | Zapalski, Franciszek | 1652 | POL | =21N | =23B | +15N | +12B | −10N | =4B | +17N | 4.5 | 21.5 | 24.5 | 15.00 | 2053 | +67.4 |
| 9 | Lonski, Aleksander | 2082 | POL | +18N | +14B | +19N | −1N | −5B | −2N | +15B | 4.0 | 25.5 | 28.5 | 12.50 | 2033 | -10.8 |
| 10 | Swiderski, Radoslaw | 2117 | POL | −17B | +28N | +20B | +23N | +8B | −1N | −4N | 4.0 | 24.5 | 25.5 | 11.50 | 1962 | -22.0 |
| 11 | Trybus, Dominika | 1874 | POL | −19B | =13N | =28B | +17N | +14B | +16N | −5B | 4.0 | 21.0 | 22.0 | 11.75 | 1856 | -2.4 |
| 12 | Sokolowski, RyszardFM | 2082 | POL | +13B | +25N | −3B | −8N | =7B | −6N | +24B | 3.5 | 25.0 | 27.5 | 10.75 | 1874 | -34.2 |
| 13 | Leszcz, Mateusz | 1764 | POL | −12N | =11B | =22N | =26N | +21B | +20N | −7B | 3.5 | 21.0 | 23.0 | 10.50 | 1836 | +12.0 |
| 14 | Bialkowski, Jan | 1766 | POL | +5B | −9N | +25B | −24B | −11N | +28N | =20B | 3.5 | 21.0 | 22.0 | 10.00 | 1899 | +45.2 |
| 15 | Soszka, Szymon | 1831 | POL | −1B | +30N | −8B | +28N | −6B | +18N | −9N | 3.0 | 23.5 | 23.5 | 4.00 | 1837 | -3.0 |
| 16 | Darowicki, Mariusz | 1979 | POL | =26N | +22B | +24N | =3N | −2B | −11B | F | 3.0 | 22.5 | 24.5 | 9.00 | 1917 | -10.0 |
| 17 | Mackiewicz, Lukasz | 1787 | POL | +10N | −4B | −23N | −11B | +27B | +26N | −8B | 3.0 | 22.5 | 24.0 | 7.50 | 1796 | -0.4 |
| 18 | Hubner, Michal | 1740 | POL | −9B | +6N | −5B | +25N | −23B | −15B | +29N | 3.0 | 22.5 | 22.5 | 7.50 | 1882 | +21.0 |
| 19 | Dybowski, Leon | 1614 | POL | +11N | +21B | −9B | −5N | −20B | +25N | F | 3.0 | 22.0 | 24.5 | 9.50 | 1918 | +83.6 |
| 20 | Zarzecki, Dymitr Stanislaw | 1805 | POL | −2N | +29B | −10N | =22B | +19N | −13B | =14N | 3.0 | 22.0 | 22.0 | 6.25 | 1768 | -10.4 |
| 21 | Dybowski, Rafal | 1973 | POL | =8B | −19N | +26B | −6N | −13N | =22B | +28B | 3.0 | 21.0 | 22.0 | 6.75 | 1685 | -48.2 |
| 22 | Renczynski, Marcel | 1651 | POL | =24B | −16N | =13B | =20N | −25B | =21N | +26B | 3.0 | 17.5 | 19.5 | 8.00 | 1808 | +50.0 |
| 23 | Panczyszyn, Szymon | 1956 | POL | =28B | =8N | +17B | −10B | +18N | — | — | 3.0 | 14.5 | 15.5 | 8.75 | 1861 | -10.2 |
| 24 | Jodlowski, Robert | 1970 | POL | =22N | +26B | −16B | +14N | −4B | −7N | −12N | 2.5 | 22.5 | 24.5 | 7.00 | 1749 | -80.0 |
| 25 | Kiecana, Ignacy | 1832 | POL | +29N | −12B | −14N | −18B | +22N | −19B | =27B | 2.5 | 17.5 | 17.5 | 3.75 | 1626 | -78.4 |
| 26 | Kupiak, Sylwester | 1684 | POL | =16B | −24N | −21N | =13B | +29N | −17B | −22N | 2.0 | 18.0 | 18.0 | 3.25 | 1661 | -7.2 |
| 27 | Ziobrowska, Danuta | 1637 | POL | −3B | −5N | −6B | F | −17N | +29B | =25N | 1.5 | 20.5 | 20.5 | 1.25 | 1682 | +2.2 |
| 28 | Gan, Jakub | 1647 | POL | =23N | −10B | =11N | −15B | F | −14B | −21N | 1.0 | 20.5 | 20.5 | 3.50 | 1635 | -6.4 |
| 29 | Kozlowski, Dariusz | 1610 | POL | −25B | −20N | F | −7N | −26B | −27N | −18B | 0.0 | 16.5 | 16.5 | 0.00 | 947 | -77.2 |
| 30 | Przerwa, Waldemar | 1729 | POL | −4N | −15B | — | — | — | — | — | 0.0 | 5.0 | 8.0 | 0.00 | 1118 | -10.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Dybowski, LeonPOL+83.63.0 pts · #23
- 2Zapalski, FranciszekPOL+67.44.5 pts · #8
- 3Piotrowski, ArkadiuszPOL+52.85.0 pts · #3
Top rating losers
- 1Jodlowski, RobertPOL-80.02.5 pts · #25
- 2Kiecana, IgnacyPOL-78.42.5 pts · #24
- 3Kozlowski, DariuszPOL-77.20.0 pts · #30
Biggest upsets
- R2+434 Elo gap
- R4+430 Elo gap
- R2+391 Elo gap