Otwarte Mistrzostwa Miasta Slupska w Szachach z IKS ZRYW - 2025 Round 1-7
Open SwissStandard
10 players participated in this 7-round tournament, held from 07 Oct 2025 to 28 Oct 2025 in Slupsk, Poland. Top 10 Elo average was 838, and top seed was Jaroslaw Borowski (🇵🇱 POL, 1886).
Natan Rula (🇵🇱 POL, 1575) won with 6.0/7, ahead of Adam Rosolek (5.0) and Andrzej Szramowiak (5.0). Rula took the lead from round 4.
The biggest upset came in round 3: Adam Rosolek (1589) beat Jaroslaw Borowski (1886), a +297-point gap.
Location
🇵🇱Slupsk, Poland
Dates
07 Oct 2025 → 28 Oct 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Federations · 1 represented
🇵🇱Poland×10
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsNatan Rula led from R4; +1.0-point edge over the runner-up.
Co-leaders
3
2
1
1
3
3
1
R4 · LEADER CHANGE16 Oct
Natan Rula takes the sole lead (3.5/4).
R7 · HEAD-TO-HEAD · WINNER VS 2ND
Natan Rula beat Adam Rosolek (White).
WIN STREAKS · 3 top finishers
Natan Rula 3 wins (R2–R4)Adam Rosolek 3 wins (R1–R3)Andrzej Szramowiak 4 wins (R3–R6)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Natan Rula | * | 1 | 1 | ½ |
| 2Adam Rosolek | 0 | * | — | — |
| 3Andrzej Szramowiak | 0 | — | * | 1 |
| 4Pawel Pietrzak | ½ | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Rula, Natan | 1575 | POL | =4B | +3N | +7B | +10N | =6B | +5N | +2B | 6.0 | 25.5 | 26.0 | 21.75 | 2014 | +64.4 |
| 2 | Rosolek, Adam | 1589 | POL | +7B | +10N | +6B | −5N | +8B | +9B | −1N | 5.0 | 19.0 | 19.5 | 9.50 | 1699 | +10.6 |
| 3 | Szramowiak, Andrzej | 0 | POL | +9N | −1B | +4N | +8N | +7B | +10N | F | 5.0 | 16.0 | 16.0 | 10.00 | 1580 | 0.0 |
| 4 | Pietrzak, Pawel | 0 | POL | =1N | +8N | −3B | +7N | +10B | =6N | =5B | 4.5 | 23.0 | 23.5 | 11.50 | 1736 | 0.0 |
| 5 | Mettel, Werner | 1749 | POL | =10B | −6N | +8B | +2B | +9N | −1B | =4N | 4.0 | 21.5 | 22.0 | 9.50 | 1659 | -9.6 |
| 6 | Borowski, Jaroslaw | 1886 | POL | +8B | +5B | −2N | +9B | =1N | =4B | F | 4.0 | 21.5 | 21.5 | 11.25 | 1719 | -14.8 |
| 7 | Dubel, Tadeusz | 0 | POL | −2N | +9B | −1N | −4B | −3N | +8N | +10B | 3.0 | 22.5 | 23.0 | 2.50 | 1458 | 0.0 |
| 8 | Kaczor, Janusz | 0 | POL | −6N | −4B | −5N | −3B | −2N | −7B | +9N | 1.0 | 25.5 | 26.5 | 1.00 | 1509 | 0.0 |
| 9 | Szafran, Dariusz | 1585 | POL | −3B | −7N | +10B | −6N | −5B | −2N | −8B | 1.0 | 22.0 | 22.5 | 0.50 | 941 | -18.4 |
| 10 | Pietruszewski, Marek | 0 | POL | =5N | −2B | −9N | −1B | −4N | −3B | −7N | 0.5 | 27.5 | 28.5 | 2.00 | 1302 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Rula, NatanPOL+64.46.0 pts · #1
- 2Rosolek, AdamPOL+10.65.0 pts · #3
- 3Szramowiak, AndrzejPOL0.05.0 pts · #6
Top rating losers
- 1Szafran, DariuszPOL-18.41.0 pts · #10
- 2Borowski, JaroslawPOL-14.84.0 pts · #2
- 3Mettel, WernerPOL-9.64.0 pts · #4
Biggest upsets
- R3+297 Elo gap
- R6+174 Elo gap