311st YMCA Winter 2026-B Round 4-7
11 players participated in this 7-round tournament, held from 05 Feb 2026 to 26 Feb 2026 in Warszawa, Poland. 2 federations represented. Top 10 Elo average was 1805, and top seed was Jerzy Mazurek (🇵🇱 POL, 1910).
Jakub Sucharski (🇵🇱 POL, 1858) won with 4.0/7, ahead of Marcin Kasperski (2.5) and Alexander Pettersson (2.5). Sucharski won solo starting round 6.
The biggest upset came in round 5: Mateusz Glowacki (1695) beat Jerzy Mazurek (1910), a +215-point gap.
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How it unfolded
Top 11 · 7 roundsJakub Sucharski led from R4 onwards, the runner-up race stayed tight.
Jakub Sucharski takes the sole lead (1.5/4).
Jakub Sucharski opens a +1.5-point gap over the chasing pack (closest: Marcin Kasperski); the title is out of reach before R7.
Jakub Sucharski drew with Marcin Kasperski (Black).
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇵🇱Sucharski, Jakub | 1858 | * | ½ | — | 1 | 1 | — | — | — | ½ | 1 | — | 4.0 | 5.00 | 6.5 | +26.4 | 1971 |
| 2 | 🇵🇱Kasperski, Marcin | 1708 | ½ | * | — | — | — | 1 | — | — | — | 1 | — | 2.5 | 3.00 | 5.0 | +30.6 | 2114 |
| 3 | 🇸🇪Pettersson, Alexander | 1815 | — | — | * | — | ½ | — | 1 | — | — | — | 1 | 2.5 | 1.75 | 2.5 | +17.8 | 2060 |
| 4 | 🇵🇱Alvarado, Luis | 1797 | 0 | — | — | * | — | — | — | — | 1 | 1 | — | 2.0 | 0.50 | 4.5 | +15.2 | 1895 |
| 5 | 🇵🇱Glowacki, Mateusz | 1695 | 0 | — | ½ | — | * | 1 | — | 0 | — | — | — | 1.5 | 2.25 | 8.5 | +6.6 | 1768 |
| 6 | 🇵🇱Mazurek, Jerzy | 1910 | — | 0 | — | — | 0 | * | 1 | — | — | — | — | 1.0 | 1.00 | 5.0 | -21.8 | 1630 |
| 7 | 🇵🇱Pietrzak, Wojciech | 1864 | — | — | 0 | — | — | 0 | * | — | — | — | 1 | 1.0 | 0.00 | 3.5 | -12.0 | 1717 |
| 8 | 🇵🇱Moskwinski, Marek | 1839 | — | — | — | — | 1 | — | — | * | — | — | — | 1.0 | 1.50 | 1.5 | +6.2 | 2495 |
| 9 | 🇵🇱Jaroszuk, Marcin | 1703 | ½ | — | — | 0 | — | — | — | — | * | — | — | 0.5 | 2.00 | 6.0 | -3.0 | 1635 |
| 11 | 🇵🇱Gluszek, Rafal | 1757 | 0 | 0 | — | 0 | — | — | — | — | — | * | — | 0.0 | 0.00 | 8.5 | -27.4 | 987 |
| 10 | 🇵🇱Zajaczkowski, Lukasz | 1800 | — | — | 0 | — | — | — | 0 | — | — | — | * | 0.0 | 0.00 | 3.5 | -17.8 | 1040 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Kasperski, MarcinPOL+30.62.5 pts · #2
- 2Sucharski, JakubPOL+26.44.0 pts · #1
- 3Pettersson, AlexanderSWE+17.82.5 pts · #3
- 1Gluszek, RafalPOL-27.40.0 pts · #11
- 2Mazurek, JerzyPOL-21.81.0 pts · #6
- 3Zajaczkowski, LukaszPOL-17.80.0 pts · #10
- R5+215 Elo gap
- R7+202 Elo gap