315th YMCA Spring 2026-B Round 9-10
Round-RobinStandard
8 players participated in this 10-round tournament, held from 04 Jun 2026 to 18 Jun 2026 in Warszawa, Poland. 2 federations represented. Top 10 Elo average was 1762, and top seed was Jakub Pajak (🇵🇱 POL, 1869).
Marcin Jaroszuk (🇵🇱 POL, 1697) won with 1.5/10, ahead of Alexander Pettersson (1.5) and Luis Alvarado (1.0). Jaroszuk won on tie-break after catching the field in the final round.
Location
🇵🇱Warszawa, Poland
Dates
04 Jun 2026 → 18 Jun 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Round-robin · 10 rounds
Federations · 2 represented
🇵🇱Poland×7
🇸🇪Sweden×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 8 · 10 roundsTitle race narrowed from 8 co-leaders at R4 to 2 at the finish.
Co-leaders
8
8
8
8
8
8
8
1
1
2
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇵🇱Jaroszuk, Marcin | 1697 | * | — | — | ½ | 1 | — | — | — | 1.5 | 1.50 | 2.0 | +9.6 | 1884 |
| 2 | 🇸🇪Pettersson, Alexander | 1862 | — | * | ½ | — | — | — | 1 | — | 1.5 | 1.00 | 1.5 | +6.0 | 1981 |
| 5 | 🇵🇱Alvarado, Luis | 1857 | — | ½ | * | — | — | — | ½ | — | 1.0 | 1.00 | 2.0 | -7.2 | 1791 |
| 6 | 🇵🇱Sypula, Krzysztof | 1691 | ½ | — | — | * | — | — | — | ½ | 1.0 | 1.00 | 2.0 | +0.6 | 1702 |
| 3 | 🇵🇱Kasperski, Marcin | 1691 | 0 | — | — | — | * | — | — | 1 | 1.0 | 0.50 | 2.0 | +0.6 | 1702 |
| 4 | 🇵🇱Pajak, Jakub | 1869 | — | — | — | — | — | * | 1 | — | 1.0 | 0.50 | 0.5 | +6.0 | 2519 |
| 8 | 🇵🇱Trautsolt-Jeziorski, Mateusz | 1719 | — | 0 | ½ | — | — | 0 | * | — | 0.5 | 0.50 | 3.5 | -16.8 | 1590 |
| 7 | 🇵🇱Glowacki, Mateusz | 1706 | — | — | — | ½ | 0 | — | — | * | 0.5 | 0.50 | 2.0 | -10.8 | 1498 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Jaroszuk, MarcinPOL+9.61.5 pts · #1
- 2Pettersson, AlexanderSWE+6.01.5 pts · #2
- 3Pajak, JakubPOL+6.01.0 pts · #4
Top rating losers
- 1Trautsolt-Jeziorski, MateuszPOL-16.80.5 pts · #8
- 2Glowacki, MateuszPOL-10.80.5 pts · #7
- 3Alvarado, LuisPOL-7.21.0 pts · #5