304th YMCA Summer 2025-A Round 6
Double Round-RobinStandard
8 players participated in this 6-round tournament, held on 30 Jul 2025 in Warszawa, Poland. Top 10 Elo average was 1938, and top seed was Kacper Jarzebowski (🇵🇱 POL, 2075).
Jakub Pajak (🇵🇱 POL, 1920) won with 1.5/6, ahead of Pawel Kasperkiewicz (1.0) and Tomasz Lewandrowski (1.0). Pajak clinched sole first place in the final round.
The biggest upset came in round 6: Wadym Korsun (1938) beat Kacper Jarzebowski (2075), a +137-point gap.
Location
🇵🇱Warszawa, Poland
Dates
30 Jul 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Double RR · 6 rounds
Federations · 1 represented
🇵🇱Poland×8
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 8 · 6 roundsJakub Pajak led from R6 onwards, the runner-up race stayed tight.
Co-leaders
8
8
8
1
1
1
R6 · LEADER CHANGE30 Jul
Jakub Pajak takes the sole lead (1.5/6).
R4 · HEAD-TO-HEAD · WINNER VS 2ND
Jakub Pajak drew with Pawel Kasperkiewicz (White).
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇵🇱Pajak, Jakub | 1920 | * | ½ | 1 | — | — | — | — | — | 1.5 | 1.50 | 2.0 | +10.8 | 2128 |
| 2 | 🇵🇱Kasperkiewicz, Pawel | 1910 | ½ | * | — | — | — | ½ | — | — | 1.0 | 1.00 | 2.0 | -0.8 | 1889 |
| 3 | 🇵🇱Lewandrowski, Tomasz | 1968 | 0 | — | * | — | 1 | — | — | — | 1.0 | 0.50 | 2.0 | -1.0 | 1948 |
| 4 | 🇵🇱Korsun, Wadym | 1938 | — | — | — | * | — | — | — | 1 | 1.0 | 0.00 | 0.0 | +28.4 | 2879 |
| 5 | 🇵🇱Kadzinski, Wieslaw | 1942 | — | — | 0 | — | * | — | ½ | — | 0.5 | 0.25 | 1.5 | -12.4 | 1737 |
| 7 | 🇵🇱Malicki, Jan | 1863 | — | ½ | — | — | — | * | — | — | 0.5 | 0.50 | 1.0 | +1.2 | 1903 |
| 6 | 🇵🇱Moskwinski, Marek | 1884 | — | — | — | — | ½ | — | * | — | 0.5 | 0.25 | 0.5 | +2.2 | 1976 |
| 8 | 🇵🇱Jarzebowski, Kacper | 2075 | — | — | — | 0 | — | — | — | * | 0.0 | 0.00 | 1.0 | -14.2 | 1122 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Korsun, WadymPOL+28.41.0 pts · #4
- 2Pajak, JakubPOL+10.81.5 pts · #1
- 3Moskwinski, MarekPOL+2.20.5 pts · #6
Top rating losers
- 1Jarzebowski, KacperPOL-14.20.0 pts · #8
- 2Kadzinski, WieslawPOL-12.40.5 pts · #5
- 3Lewandrowski, TomaszPOL-1.01.0 pts · #3
Biggest upsets
- R6+137 Elo gap