307th YMCA Autumn 2025-B Round 1
Round-RobinStandard
8 players participated in this 1-round tournament, held on 25 Sept 2025 in Warszawa, Poland. Top 10 Elo average was 1865, and top seed was Jerzy Mazurek (🇵🇱 POL, 1922).
Jerzy Mazurek (🇵🇱 POL, 1922) won with 1.0/1, ahead of Wieslaw Kadzinski (1.0) and Lukasz Bobinski (1.0). Mazurek won on tie-break after catching the field in the final round.
Location
🇵🇱Warszawa, Poland
Dates
25 Sept 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Round-robin · 1 rounds
Federations · 1 represented
🇵🇱Poland×8
Top 3
- 🥇
- 🥈
- 🥉
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇵🇱Mazurek, Jerzy | 1922 | * | — | — | — | — | 1 | — | — | 1.0 | 0.00 | 0.0 | +5.2 | 2538 |
| 2 | 🇵🇱Kadzinski, Wieslaw | 1915 | — | * | — | — | 1 | — | — | — | 1.0 | 0.00 | 0.0 | +7.2 | 2615 |
| 3 | 🇵🇱Bobinski, Lukasz | 1914 | — | — | * | — | — | — | — | 1 | 1.0 | 0.00 | 0.0 | +16.0 | 2644 |
| 4 | 🇵🇱Basiaga, Sebastian | 1881 | — | — | — | * | — | — | 1 | — | 1.0 | 0.00 | 0.0 | +10.2 | 2690 |
| 5 | 🇵🇱Sucharski, Jakub | 1815 | — | 0 | — | — | * | — | — | — | 0.0 | 0.00 | 1.0 | -14.4 | 1115 |
| 6 | 🇵🇱Bartczak, Hanna | 1739 | 0 | — | — | — | — | * | — | — | 0.0 | 0.00 | 1.0 | -5.2 | 1122 |
| 7 | 🇵🇱Markiewicz, Michal | 1890 | — | — | — | 0 | — | — | * | — | 0.0 | 0.00 | 1.0 | -10.2 | 1081 |
| 8 | 🇵🇱Pietrzak, Wojciech | 1844 | — | — | 0 | — | — | — | — | * | 0.0 | 0.00 | 1.0 | -8.0 | 1114 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Bobinski, LukaszPOL+16.01.0 pts · #3
- 2Basiaga, SebastianPOL+10.21.0 pts · #4
- 3Kadzinski, WieslawPOL+7.21.0 pts · #2
Top rating losers
- 1Sucharski, JakubPOL-14.40.0 pts · #5
- 2Markiewicz, MichalPOL-10.20.0 pts · #7
- 3Pietrzak, WojciechPOL-8.00.0 pts · #8