307th YMCA Autumn 2025-B Round 6
Round-RobinStandard
12 players participated in this 6-round tournament, held on 30 Oct 2025 in Warszawa, Poland. 2 federations represented. Top 10 Elo average was 1868, and top seed was Wieslaw Kadzinski (🇵🇱 POL, 1911).
Michal Markiewicz (🇵🇱 POL, 1875) won with 1.0/6, ahead of Jakub Sucharski (0.5) and Tomasz Kania (0.5). Markiewicz clinched sole first place in the final round.
Location
🇵🇱Warszawa, Poland
Dates
30 Oct 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Round-robin · 6 rounds
Federations · 2 represented
🇵🇱Poland×11
🇸🇪Sweden×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 12 · 6 roundsMichal Markiewicz led from R6 onwards, the runner-up race stayed tight. Title race converged from 12 co-leaders at R4 to 1 by R6.
Co-leaders
12
12
12
12
12
1
Markiewicz#1Sucharski#2Kania#3Moskwinski#4Kadzinski#5Bartczak#6Pettersson#7Jaroszuk#8Basiaga#9Pietrzak#10Mazurek#11Bobinski#12
R6–R6 · LEAD HELD
Michal Markiewicz held the sole lead from R6 through R6 without losing it.
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇵🇱Markiewicz, Michal | 1875 | * | — | — | — | — | — | — | — | — | — | — | 1 | 1.0 | 0.00 | 0.0 | +11.6 | 2730 |
| 2 | 🇵🇱Sucharski, Jakub | 1890 | — | * | — | — | — | — | — | — | — | ½ | — | — | 0.5 | 0.25 | 0.5 | -0.4 | 1804 |
| 3 | 🇵🇱Kania, Tomasz | 1798 | — | — | * | — | — | — | — | — | — | — | ½ | — | 0.5 | 0.25 | 0.5 | +3.6 | 1912 |
| 4 | 🇵🇱Moskwinski, Marek | 1861 | — | — | — | * | — | — | — | — | ½ | — | — | — | 0.5 | 0.25 | 0.5 | -0.6 | 1887 |
| 5 | 🇵🇱Kadzinski, Wieslaw | 1911 | — | — | — | — | * | — | — | ½ | — | — | — | — | 0.5 | 0.25 | 0.5 | -5.0 | 1735 |
| 6 | 🇵🇱Bartczak, Hanna | 1730 | — | — | — | — | — | * | ½ | — | — | — | — | — | 0.5 | 0.25 | 0.5 | +3.0 | 1837 |
| 7 | 🇸🇪Pettersson, Alexander | 1826 | — | — | — | — | — | ½ | * | — | — | — | — | — | 0.5 | 0.25 | 0.5 | -3.0 | 1728 |
| 8 | 🇵🇱Jaroszuk, Marcin | 1746 | — | — | — | — | ½ | — | — | * | — | — | — | — | 0.5 | 0.25 | 0.5 | +5.0 | 1928 |
| 9 | 🇵🇱Basiaga, Sebastian | 1866 | — | — | — | ½ | — | — | — | — | * | — | — | — | 0.5 | 0.25 | 0.5 | +0.6 | 1907 |
| 10 | 🇵🇱Pietrzak, Wojciech | 1845 | — | ½ | — | — | — | — | — | — | — | * | — | — | 0.5 | 0.25 | 0.5 | +0.2 | 1813 |
| 11 | 🇵🇱Mazurek, Jerzy | 1899 | — | — | ½ | — | — | — | — | — | — | — | * | — | 0.5 | 0.25 | 0.5 | -3.6 | 1775 |
| 12 | 🇵🇱Bobinski, Lukasz | 1906 | 0 | — | — | — | — | — | — | — | — | — | — | * | 0.0 | 0.00 | 1.0 | -23.2 | 1069 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Markiewicz, MichalPOL+11.61.0 pts · #1
- 2Jaroszuk, MarcinPOL+5.00.5 pts · #8
- 3Kania, TomaszPOL+3.60.5 pts · #3
Top rating losers
- 1Bobinski, LukaszPOL-23.20.0 pts · #12
- 2Kadzinski, WieslawPOL-5.00.5 pts · #5
- 3Mazurek, JerzyPOL-3.60.5 pts · #11