II Wielkanocny Klasyk w ZSO ze Slupska Akademia Szachowa - Grupa A
Open SwissStandard
10 players participated in this 5-round tournament, held from 28 Mar 2026 to 29 Mar 2026 in Slupsk, Poland. Top 10 Elo average was 1710, and top seed was Jaroslaw Borowski (🇵🇱 POL, 1871).
Dymitr Stanislaw Zarzecki (🇵🇱 POL, 1862) won with 3.5/5, ahead of Igor Skiba (3.5) and Natan Rula (3.5). Zarzecki shared the lead from round 1, winning on tie-break.
The biggest upset came in round 5: Adam Szczygielski (1658) beat Jaroslaw Borowski (1871), a +213-point gap.
Location
🇵🇱Slupsk, Poland
Dates
28 Mar 2026 → 29 Mar 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Federations · 1 represented
🇵🇱Poland×10
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsTight race until R5; 3 players tied at 3.5/5, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 3 at the finish.
Co-leaders
4
2
2
2
3
R5 · TIEBREAK CLUSTER
3 players finish on 3.5/5. Zarzecki takes the title on Buchholz Cut1 (13.0).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Natan Rula | * | — | 0 | — |
| 2Igor Skiba | — | * | ½ | ½ |
| 3Dymitr Stanislaw Zarzecki | 1 | ½ | * | ½ |
| 4Mateusz Leszcz | — | ½ | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Zarzecki, Dymitr Stanislaw | 1862 | POL | +7N | +3B | =4N | =2B | =5N | 3.5 | 13.0 | 15.5 | 10.75 | 1862 | +0.8 |
| 2 | Skiba, Igor | 1796 | POL | =6B | +8N | =5B | =1N | +4B | 3.5 | 12.0 | 13.5 | 9.00 | 1914 | +15.6 |
| 3 | Rula, Natan | 1669 | POL | +10B | −1N | +6B | =4N | +9B | 3.5 | 10.0 | 11.0 | 6.00 | 1852 | +48.0 |
| 4 | Pietrzak, Pawel | 1674 | POL | +8N | +5N | =1B | =3B | −2N | 3.0 | 13.5 | 15.0 | 8.00 | 1868 | +52.0 |
| 5 | Leszcz, Mateusz | 1777 | POL | +9N | −4B | =2N | +6B | =1B | 3.0 | 12.5 | 13.5 | 7.00 | 1795 | +2.8 |
| 6 | Dorau, Zygmunt | 1642 | POL | =2N | +7B | −3N | −5N | +10B | 2.5 | 12.5 | 13.5 | 5.25 | 1718 | +10.4 |
| 7 | Szczygielski, Adam | 1658 | POL | −1B | −6N | +10B | =9N | +8N | 2.5 | 8.5 | 9.5 | 3.00 | 1742 | +24.0 |
| 8 | Borowski, Jaroslaw | 1871 | POL | −4B | −2B | =9N | +10N | −7B | 1.5 | 10.0 | 11.0 | 1.50 | 1542 | -43.0 |
| 9 | Marzec, Michal | 1641 | POL | −5B | −10N | =8B | =7B | −3N | 1.0 | 10.5 | 11.5 | 2.00 | 1493 | -36.0 |
| 10 | Cieslukowski, Olgierd | 1508 | POL | −3N | +9B | −7N | −8B | −6N | 1.0 | 10.0 | 11.0 | 1.00 | 1454 | -61.2 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Pietrzak, PawelPOL+52.03.0 pts · #5
- 2Rula, NatanPOL+48.03.5 pts · #1
- 3Szczygielski, AdamPOL+24.02.5 pts · #7
Top rating losers
- 1Cieslukowski, OlgierdPOL-61.21.0 pts · #9
- 2Borowski, JaroslawPOL-43.01.5 pts · #8
- 3Marzec, MichalPOL-36.01.0 pts · #10
Biggest upsets
- R5+213 Elo gap
- R1+197 Elo gap
- R2+133 Elo gap