309th YMCA Autumn 2025-D Round 3-6
Round-RobinStandard
12 players participated in this 6-round tournament, held from 07 Oct 2025 to 28 Oct 2025 in Warszawa, Poland. Top 10 Elo average was 1487, and top seed was Marcin Dzierzko (🇵🇱 POL, 1583).
Witold Florczak (🇵🇱 POL, 1449) won with 3.0/6, ahead of Grzegorz Chojnacki (2.5) and Leszek Dabrowski (2.5). Florczak clinched sole first place in the final round.
Location
🇵🇱Warszawa, Poland
Dates
07 Oct 2025 → 28 Oct 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Round-robin · 6 rounds
Federations · 1 represented
🇵🇱Poland×12
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 12 · 6 roundsWitold Florczak led from R6 onwards, the runner-up race stayed tight. Title race converged from 3 co-leaders at R4 to 1 by R6.
Co-leaders
12
12
5
3
1
1
Florczak#6Mackiewicz#1Chojnacki#2Dabrowski#3Moszczynski-Petkowski#4Dzierzko#5Matyszkiewicz#7Sloniewski#8Martin#9Golebiowski#11Grad#10Przybylik#12
R6 · LEADER CHANGE28 Oct
Witold Florczak takes the sole lead (3.0/6).
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 🇵🇱Florczak, Witold | 1449 | * | — | 0 | — | — | — | — | — | — | 1 | 1 | 1 | 3.0 | 1.00 | 3.5 | +13.0 | 1607 |
| 2 | 🇵🇱Chojnacki, Grzegorz | 1502 | — | * | — | 1 | ½ | 0 | 1 | — | — | — | — | — | 2.5 | 5.50 | 8.5 | +18.4 | 1590 |
| 3 | 🇵🇱Dabrowski, Leszek | 1481 | 1 | — | * | — | — | — | — | 0 | ½ | 1 | — | — | 2.5 | 4.75 | 7.5 | +5.6 | 1538 |
| 1 | 🇵🇱Mackiewicz, Anna | 0 | — | 0 | — | * | ½ | 1 | — | — | — | — | — | 1 | 2.5 | 3.00 | 6.5 | +25.2 | 1638 |
| 5 | 🇵🇱Dzierzko, Marcin | 1583 | — | ½ | — | ½ | * | — | — | 1 | — | — | — | — | 2.0 | 4.50 | 7.0 | -1.2 | 1576 |
| 7 | 🇵🇱Matyszkiewicz, Radoslaw | 1550 | — | 1 | — | 0 | — | * | 1 | — | — | — | — | — | 2.0 | 4.50 | 7.0 | +1.8 | 1575 |
| 8 | 🇵🇱Sloniewski, Wojciech | 1448 | — | 0 | — | — | — | 0 | * | — | — | 1 | 1 | — | 2.0 | 1.00 | 5.5 | -12.4 | 1368 |
| 4 | 🇵🇱Moszczynski-Petkowski, Rafal | 1450 | — | — | 1 | — | 0 | — | — | * | — | — | — | 1 | 2.0 | 2.50 | 4.5 | +34.0 | 1659 |
| 9 | 🇵🇱Martin, Aisha | 1449 | — | — | ½ | — | — | — | — | — | * | — | 1 | — | 1.5 | 1.25 | 2.5 | +1.6 | 1483 |
| 11 | 🇵🇱Golebiowski, Sebastian | 1426 | 0 | — | 0 | — | — | — | 0 | — | — | * | 1 | — | 1.0 | 0.00 | 7.5 | -54.4 | 659 |
| 10 | 🇵🇱Grad, Krzysztof | 0 | 0 | — | — | — | — | — | 0 | — | 0 | 0 | * | — | 0.0 | 0.00 | 7.5 | 0.0 | 642 |
| 12 | 🇵🇱Przybylik, Mariusz | 1535 | 0 | — | — | 0 | — | — | — | 0 | — | — | — | * | 0.0 | 0.00 | 7.5 | -38.6 | 632 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Moszczynski-Petkowski, RafalPOL+34.02.0 pts · #4
- 2Mackiewicz, AnnaPOL+25.22.5 pts · #1
- 3Chojnacki, GrzegorzPOL+18.42.5 pts · #2
Top rating losers
- 1Golebiowski, SebastianPOL-54.41.0 pts · #11
- 2Przybylik, MariuszPOL-38.60.0 pts · #12
- 3Sloniewski, WojciechPOL-12.42.0 pts · #8