Majowy Klasyk w ZSO ze Slupska Akademia Szachowa - Grupa A
Open SwissStandard
8 players participated in this 5-round tournament, held from 30 May 2026 to 31 May 2026 in Slupsk, Poland. Top 10 Elo average was 1232, and top seed was Pawel Pietrzak (🇵🇱 POL, 1769).
Milosz Jurago (🇵🇱 POL, 0) won with 3.5/5, ahead of Natan Rula (3.5) and Pawel Pietrzak (3.5). Jurago shared the lead from round 1, winning on tie-break.
The biggest upset came in round 4: Maurycy Bobko (1446) beat Adam Szczygielski (1670), a +224-point gap.
Location
🇵🇱Slupsk, Poland
Dates
30 May 2026 → 31 May 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Federations · 1 represented
🇵🇱Poland×8
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsTight race until R5; 3 players tied at 3.5/5, decided on Buchholz.
Co-leaders
4
4
1
1
3
R5 · TIEBREAK CLUSTER
3 players finish on 3.5/5. Jurago takes the title on Buchholz Cut1 (13.0).
R4 · HEAD-TO-HEAD · WINNER VS 2ND
Pawel Pietrzak drew with Natan Rula (White).
R1–R5 · UNBEATEN
Pawel Pietrzak went unbeaten across 5 games (R1–R5).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Pawel Pietrzak | * | ½ | ½ | — |
| 2Natan Rula | ½ | * | 1 | 0 |
| 3Milosz Jurago | ½ | 0 | * | 1 |
| 4Igor Kowalkiewicz | — | 1 | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Jurago, Milosz | 0 | POL | +7B | =3N | +4B | +5N | −2B | 3.5 | 13.0 | 14.0 | 8.75 | 1720 | 0.0 |
| 2 | Rula, Natan | 1661 | POL | −4B | +6N | +7B | =3N | +1N | 3.5 | 12.5 | 13.5 | 8.75 | 1901 | +35.6 |
| 3 | Pietrzak, Pawel | 1769 | POL | +8N | =1B | =5N | =2B | +7N | 3.5 | 11.0 | 11.0 | 6.00 | 1854 | +16.4 |
| 4 | Kowalkiewicz, Igor | 0 | POL | +2N | =5B | −1N | +8B | =6N | 3.0 | 12.5 | 12.5 | 6.25 | 1645 | 0.0 |
| 5 | Renczynski, Marcel | 1701 | POL | +6B | =4N | =3B | −1B | +8N | 3.0 | 12.5 | 12.5 | 5.75 | 1882 | +26.4 |
| 6 | Bobko, Maurycy | 1446 | POL | −5N | −2B | +8N | +7N | =4B | 2.5 | 10.5 | 10.5 | 2.50 | 1661 | +43.2 |
| 7 | Szczygielski, Adam | 1670 | POL | −1N | +8B | −2N | −6B | −3B | 1.0 | 13.0 | 13.0 | 0.00 | 1429 | -49.2 |
| 8 | Cieslukowski, Olgierd | 1612 | POL | −3B | −7N | −6B | −4N | −5B | 0.0 | 12.0 | 13.0 | 0.00 | 847 | -72.4 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Bobko, MaurycyPOL+43.22.5 pts · #6
- 2Rula, NatanPOL+35.63.5 pts · #3
- 3Renczynski, MarcelPOL+26.43.0 pts · #5
Top rating losers
- 1Cieslukowski, OlgierdPOL-72.40.0 pts · #8
- 2Szczygielski, AdamPOL-49.21.0 pts · #7
- 3Jurago, MiloszPOL0.03.5 pts · #4
Biggest upsets
- R4+224 Elo gap
- R3+166 Elo gap