309th YMCA Autumn 2025-D Round 7-10
12 players participated in this 10-round tournament, held from 04 Nov 2025 to 25 Nov 2025 in Warszawa, Poland. Top 10 Elo average was 1519, and top seed was Anna Mackiewicz (🇵🇱 POL, 1709).
Aisha Martin (🇵🇱 POL, 1429) won with 5.0/10, ahead of Marcin Dzierzko (4.0) and Radoslaw Matyszkiewicz (4.0). Martin took the lead from round 5.
The biggest upset came in round 9: Aisha Martin (1429) beat Anna Mackiewicz (1709), a +280-point gap.
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How it unfolded
Top 12 · 10 roundsAisha Martin led from R5 onwards, the runner-up race stayed tight. Title race converged from 12 co-leaders at R4 to 1 by R5.
Aisha Martin never relinquished the lead after R5; final gap +1.0 over the runner-up.
Aisha Martin lost to Marcin Dzierzko (Black).
Aisha Martin 4 wins (R7–R10)Radoslaw Matyszkiewicz 3 wins (R8–R10)
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇵🇱Martin, Aisha | 1429 | * | 0 | 1 | 1 | — | — | — | — | 1 | 1 | 1 | — | 5.0 | 10.50 | 14.5 | +107.6 | 1789 |
| 2 | 🇵🇱Dzierzko, Marcin | 1601 | 1 | * | — | — | ½ | 1 | ½ | — | — | — | — | 1 | 4.0 | 9.00 | 11.0 | +17.6 | 1723 |
| 4 | 🇵🇱Matyszkiewicz, Radoslaw | 1556 | 0 | — | * | — | — | 1 | 1 | — | 1 | — | — | 1 | 4.0 | 4.50 | 9.5 | +2.6 | 1578 |
| 6 | 🇵🇱Przybylik, Mariusz | 1500 | 0 | — | — | * | 1 | — | 1 | ½ | — | — | — | 1 | 3.5 | 4.75 | 10.5 | -3.6 | 1447 |
| 7 | 🇵🇱Dabrowski, Leszek | 1487 | — | ½ | — | 0 | * | — | — | 1 | — | — | — | 1 | 2.5 | 3.50 | 9.0 | +2.2 | 1504 |
| 3 | 🇵🇱Florczak, Witold | 1446 | — | 0 | 0 | — | — | * | — | — | — | 1 | 1 | — | 2.0 | 2.00 | 10.0 | +9.8 | 1531 |
| 8 | 🇵🇱Golebiowski, Sebastian | 0 | — | ½ | 0 | 0 | — | — | * | — | — | 1 | — | — | 1.5 | 3.00 | 12.5 | 0.0 | 1457 |
| 5 | 🇵🇱Sloniewski, Wojciech | 1434 | — | — | — | ½ | 0 | — | — | * | 0 | — | 1 | — | 1.5 | 2.75 | 8.0 | -11.6 | 1384 |
| 10 | 🇵🇱Moszczynski-Petkowski, Rafal | 1484 | 0 | — | 0 | — | — | — | — | 1 | * | 0 | 0 | — | 1.0 | 1.50 | 12.5 | -61.2 | 1240 |
| 9 | 🇵🇱Chojnacki, Grzegorz | 1540 | 0 | — | — | — | — | 0 | 0 | — | 1 | * | — | — | 1.0 | 1.00 | 9.5 | -37.2 | 1328 |
| 11 | 🇵🇱Mackiewicz, Anna | 1709 | 0 | — | — | — | — | 0 | — | 0 | 1 | — | * | — | 1.0 | 1.00 | 9.5 | -18.6 | 1255 |
| 12 | 🇵🇱Grad, Krzysztof | 0 | — | 0 | 0 | 0 | 0 | — | — | — | — | — | — | * | 0.0 | 0.00 | 14.0 | 0.0 | 724 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Martin, AishaPOL+107.65.0 pts · #1
- 2Dzierzko, MarcinPOL+17.64.0 pts · #2
- 3Florczak, WitoldPOL+9.82.0 pts · #3
- 1Moszczynski-Petkowski, RafalPOL-61.21.0 pts · #10
- 2Chojnacki, GrzegorzPOL-37.21.0 pts · #9
- 3Mackiewicz, AnnaPOL-18.61.0 pts · #11
- R9+280 Elo gap
- R7+275 Elo gap
- R10+263 Elo gap