Vrsovicky jarni open 2025 - B r4-6
Open SwissStandard
14 players participated in this 6-round tournament, held from 05 Jun 2025 to 19 Jun 2025 in Praha, Czech Republic. Top 10 Elo average was 1826, and top seed was Libor Nentvich (🇨🇿 CZE, 1867).
Jan Masek (🇨🇿 CZE, 1811) won with 3.0/6, ahead of Libor Nentvich (2.5) and Lukas Fuchs (1.5). Masek led wire-to-wire.
Location
🇨🇿Praha, Czech Republic
Dates
05 Jun 2025 → 19 Jun 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 6 rounds
Federations · 1 represented
🇨🇿Czech Republic×14
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsJan Masek led from R1; +0.5-point edge over the runner-up.
Co-leaders
1
1
1
1
1
1
R1–R6 · LEAD HELD
Jan Masek held the sole lead from R1 through R6 without losing it.
R1 · HEAD-TO-HEAD · WINNER VS 2ND
Jan Masek beat Libor Nentvich (Black).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Jan Masek | * | 1 | 0 | — |
| 2Libor Nentvich | 0 | * | — | — |
| 3Richard Wiener | 1 | — | * | — |
| 4Stefan Koper | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Masek, Jan | 1811 | CZE | +2N | F | F | +3N | −5B | +11B | 3.0 | 7.5 | 8.5 | 5.00 | 2034 | +23.6 |
| 2 | Nentvich, Libor | 1867 | CZE | −1B | F | F | =10N | +4B | +9N | 2.5 | 7.5 | 8.0 | 3.00 | 1875 | +0.4 |
| 3 | Fuchs, Lukas | 1858 | CZE | F | F | F | −1B | =6N | +12B | 1.5 | 9.0 | 10.0 | 1.75 | 1817 | -3.4 |
| 4 | Van, Overloop Samuel | 1772 | CZE | F | F | F | =7B | −2N | +8N | 1.5 | 8.5 | 9.5 | 2.25 | 1838 | +5.4 |
| 5 | Wiener, Richard | 1845 | CZE | F | F | F | =11B | +1N | F | 1.5 | 8.0 | 8.0 | 3.50 | 1996 | +7.6 |
| 6 | Koper, Stefan | 1850 | CZE | F | F | F | +12N | =3B | F | 1.5 | 6.0 | 6.0 | 1.75 | 2017 | +8.6 |
| 7 | Svetly, Jiri | 1811 | CZE | F | F | F | =4N | +9B | F | 1.5 | 6.0 | 6.0 | 1.75 | 1974 | +8.4 |
| 8 | Vitvar, Zdenek | 1837 | CZE | F | F | F | =13N | +14B | −4B | 1.5 | 6.0 | 6.0 | 0.25 | 1766 | -5.8 |
| 9 | Mach, Jan | 1791 | CZE | F | F | F | +14B | −7N | −2B | 1.0 | 10.0 | 10.0 | 0.00 | 1687 | -8.2 |
| 10 | Kalvach, Ladislav | 1748 | CZE | F | F | F | =2B | =11N | F | 1.0 | 9.5 | 10.5 | 1.75 | 1831 | +4.6 |
| 11 | Mach, Petr | 1795 | CZE | F | F | F | =5N | =10B | −1N | 1.0 | 9.5 | 10.5 | 1.25 | 1676 | -9.6 |
| 12 | Pacovsky, Ota | 1790 | CZE | F | F | F | −6B | +13N | −3N | 1.0 | 5.5 | 5.5 | 0.50 | 1701 | -7.2 |
| 13 | Vit, Zdenek | 1770 | CZE | F | F | F | =8B | −12B | F | 0.5 | 6.5 | 6.5 | 0.75 | 1621 | -7.6 |
| 14 | Lavrincik, Pavel | 1757 | CZE | F | F | F | −9N | −8N | F | 0.0 | 5.5 | 5.5 | 0.00 | 1014 | -16.8 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Masek, JanCZE+23.63.0 pts · #1
- 2Koper, StefanCZE+8.61.5 pts · #4
- 3Svetly, JiriCZE+8.41.5 pts · #6
Top rating losers
- 1Lavrincik, PavelCZE-16.80.0 pts · #14
- 2Mach, PetrCZE-9.61.0 pts · #9
- 3Mach, JanCZE-8.21.0 pts · #12