Letni Klasyk Grupa A do FIDE
Open SwissStandard
20 players participated in this 5-round tournament, held from 30 Aug 2025 to 31 Aug 2025 in Jelenia Gora, Poland. 1 titled players from 3 federations. Top 10 Elo average was 1837, and top seed was Marek Lasok (π΅π± POL, 1987).
Oleg Achinovich (πΊπ¦ UKR, 1896) won with 4.5/5, ahead of Jakub Owad (4.0) and Miroslaw Kopinski (4.0). Achinovich won solo starting round 4.
The biggest upset came in round 5: Miroslaw Kopinski (1638) beat Marek Lasok (1987), a +349-point gap.
Location
π΅π±Jelenia Gora, Poland
Dates
30 Aug 2025 β 31 Aug 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss Β· 5 rounds
Titled players Β· 1
CMΓ1
Federations Β· 3 represented
π΅π±PolandΓ18
π―πͺJerseyΓ1
πΊπ¦UkraineΓ1
Top 3
- π₯
- π₯
- π₯
How it unfolded
Top 6 Β· 5 roundsOleg Achinovich led from R4; +0.5-point edge over the runner-up.
Co-leaders
9
5
2
1
1
R4βR5 Β· LEAD HELD
Oleg Achinovich held the sole lead from R4 through R5 without losing it.
WIN STREAKS Β· 2 top finishers
Oleg Achinovich 4 wins (R1βR4)Miroslaw Kopinski 4 wins (R2βR5)
Grille amΓ©ricaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Ξ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Achinovich, Oleg | 1896 | UKR | +14B | +5N | +12B | +6N | =9B | 4.5 | 10.5 | 12.5 | 11.25 | 2062 | +26.8 |
| 2 | Owad, Jakub | 1713 | POL | +11B | +18N | =8B | =7N | +6B | 4.0 | 10.0 | 11.0 | 8.50 | 2060 | +53.6 |
| 3 | Kopinski, Miroslaw | 1638 | POL | β7B | +13N | +18B | +16N | +8B | 4.0 | 8.5 | 9.5 | 7.00 | 2022 | +46.2 |
| 4 | Aksianevich, Yury | 1903 | POL | +10B | β12N | +5B | =8N | +7B | 3.5 | 10.5 | 12.5 | 9.25 | 1965 | +9.4 |
| 5 | Bos, Nina | 1672 | POL | +17N | β1B | β4N | +10N | +13B | 3.0 | 12.5 | 13.5 | 5.50 | 1721 | +5.6 |
| 6 | Mazurkiewicz, MarcinCM | 0 | JCI | +20B | +16N | +7B | β1B | β2N | 3.0 | 12.5 | 12.5 | 4.00 | 1800 | 0.0 |
| 7 | Somyk, Marcin | 1917 | POL | +3N | +9B | β6N | =2B | β4N | 2.5 | 14.5 | 17.0 | 8.50 | 1864 | -4.8 |
| 8 | Lasok, Marek | 1987 | POL | =16B | +20N | =2N | =4B | β3N | 2.5 | 13.0 | 13.0 | 4.50 | 1727 | -30.8 |
| 9 | Rozmiarek, Krzysztof | 1818 | POL | +13B | β7N | +11B | F | =1N | 2.5 | 11.0 | 13.0 | 6.25 | 1754 | -3.2 |
| 10 | Bogdaszewski, Michal | 1637 | POL | β4N | =15B | +17N | β5B | +11B | 2.5 | 10.5 | 11.5 | 4.00 | 1426 | -31.2 |
| 11 | Lada, Wojciech | 0 | POL | β2N | +19B | β9N | +14B | β10N | 2.0 | 11.0 | 11.5 | 2.50 | 1591 | 0.0 |
| 12 | Kowalczyk, Cyprian | 1848 | POL | +15N | +4B | β1N | F | β | 2.0 | 10.5 | 12.5 | 5.50 | 1892 | +10.4 |
| 13 | Gancarz, Julia | 1446 | POL | β9N | β3B | +19N | +17B | β5N | 2.0 | 10.5 | 11.0 | 1.50 | 1496 | +6.8 |
| 14 | Bak, Patryk | 1573 | POL | β1N | β17B | +20B | β11N | +16B | 2.0 | 9.0 | 9.0 | 1.50 | 1883 | +51.2 |
| 15 | Homoncik, Michal | 1490 | POL | β12B | =10N | β16B | =19N | +17B | 2.0 | 7.0 | 7.5 | 2.50 | 1494 | -3.2 |
| 16 | Skrzypek, Leszek | 1648 | POL | =8N | β6B | +15N | β3B | β14N | 1.5 | 11.5 | 13.5 | 3.25 | 1582 | -10.4 |
| 17 | Leszkowicz, Jan | 0 | POL | β5B | +14N | β10B | β13N | β15N | 1.0 | 9.5 | 11.5 | 2.00 | 1324 | 0.0 |
| 18 | Konewko, Konrad | 1900 | POL | +19N | β2B | β3N | β | β | 1.0 | 8.0 | 8.5 | 0.50 | 1527 | -28.4 |
| 19 | Krakowiak, Nikodem | 1603 | POL | β18B | β11N | β13B | =15B | F | 0.5 | 7.0 | 7.0 | 1.00 | 1343 | -40.0 |
| 20 | Kosmala, Dominik | 1719 | POL | β6N | β8B | β14N | β | β | 0.0 | 5.5 | 7.5 | 0.00 | 966 | -18.0 |
Key insights
Biggest movers and upsets β the story behind the numbers.
Top rating gainers
- 1Owad, JakubPOL+53.64.0 pts Β· #7
- 2Bak, PatrykPOL+51.22.0 pts Β· #9
- 3Kopinski, MiroslawPOL+46.24.0 pts Β· #1
Top rating losers
- 1Krakowiak, NikodemPOL-40.00.5 pts Β· #18
- 2Bogdaszewski, MichalPOL-31.22.5 pts Β· #19
- 3Lasok, MarekPOL-30.82.5 pts Β· #6
Biggest upsets
- R5+349 Elo gap
- R3+262 Elo gap
- R2+187 Elo gap