Prebor SK Bohnice 2025 r7-9
Open SwissStandard
19 players participated in this 9-round tournament, held from 04 Dec 2025 to 11 Dec 2025 in Praha, Czech Republic. Top 10 Elo average was 1760, and top seed was Karel Horinek (🇨🇿 CZE, 1925).
Miroslav Blazek (🇨🇿 CZE, 1914) won with 3.0/9, ahead of Karel Horinek (2.0) and Jan Akerman (2.0). Blazek shared the lead from round 1, winning on tie-break.
The biggest upset came in round 7: Jan Veselsky (1535) beat Tobias Brettl (1685), a +150-point gap.
Location
🇨🇿Praha, Czech Republic
Dates
04 Dec 2025 → 11 Dec 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 9 rounds
Federations · 1 represented
🇨🇿Czech Republic×19
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsTitle race narrowed from 20 co-leaders at R4 to 2 at the finish.
Co-leaders
20
20
20
20
20
20
10
5
2
R9 · HEAD-TO-HEAD · WINNER VS 2ND
Miroslav Blazek beat Jan Akerman (White).
R7–R9 · WIN STREAK
Miroslav Blazek won 3 in a row (R7–R9).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Miroslav Blazek | * | 1 | 1 | — |
| 2Jan Akerman | 0 | * | — | — |
| 3Karel Horinek | 0 | — | * | — |
| 4Martin Petrdlik | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Blazek, Miroslav | 1914 | CZE | F | F | F | F | F | F | +13N | +2N | +3B | 3.0 | 5.0 | 5.0 | 5.00 | 2593 | +20.8 |
| 2 | Horinek, Karel | 1925 | CZE | F | F | F | F | F | F | +4N | −1B | +12N | 2.0 | 6.0 | 6.0 | 3.00 | 1930 | +0.8 |
| 3 | Akerman, Jan | 1678 | CZE | F | F | F | F | F | F | +9B | +11N | −1N | 2.0 | 5.5 | 5.5 | 2.50 | 1853 | +13.4 |
| 4 | Slaby, Tomas | 1728 | CZE | F | F | F | F | F | F | −2B | +10B | +15N | 2.0 | 4.5 | 4.5 | 2.50 | 1915 | +13.8 |
| 5 | Kment, Jan | 1677 | CZE | F | F | F | F | F | F | +18N | +7N | F | 2.0 | 3.0 | 3.0 | 2.00 | 2458 | +18.8 |
| 6 | Kuratko, Jan | 0 | CZE | F | F | F | F | F | F | −11B | +14B | +17N | 2.0 | 2.0 | 2.0 | 1.00 | 1669 | 0.0 |
| 7 | Mrazek, Martin | 1680 | CZE | F | F | F | F | F | F | +17N | −5B | +19N | 2.0 | 2.0 | 2.0 | 0.00 | 1600 | -3.0 |
| 8 | Petrdlik, Martin | 0 | CZE | F | F | F | F | F | F | +16B | +17B | −?N | 2.0 | 1.0 | 1.0 | 1.00 | 1529 | 0.0 |
| 9 | Zuna, Pavel | 1541 | CZE | F | F | F | F | F | F | −3N | +13B | =10N | 1.5 | 4.5 | 4.5 | 1.75 | 1788 | +17.4 |
| 10 | Chadima, Vit | 1857 | CZE | F | F | F | F | F | F | +12B | −4N | =9B | 1.5 | 4.5 | 4.5 | 1.75 | 1682 | -32.0 |
| 11 | Chmiel, Michael | 1713 | CZE | F | F | F | F | F | F | +6N | −3B | F | 1.0 | 6.0 | 6.0 | 2.00 | 879 | -11.2 |
| 12 | Benkovsky, Jaroslav | 1740 | CZE | F | F | F | F | F | F | −10N | +15B | −2B | 1.0 | 4.5 | 4.5 | 1.00 | 1665 | -6.8 |
| 13 | Kuzel, Petr | 0 | CZE | F | F | F | F | F | F | −1B | −9N | +18B | 1.0 | 4.5 | 4.5 | 0.00 | 930 | -44.8 |
| 14 | Brettl, Tobias | 1685 | CZE | F | F | F | F | F | F | −15N | −6N | +16B | 1.0 | 4.0 | 4.0 | 1.00 | 1496 | -20.8 |
| 15 | Veselsky, Jan | 1535 | CZE | F | F | F | F | F | F | +14B | −12N | −4B | 1.0 | 4.0 | 4.0 | 1.00 | 1609 | +4.2 |
| 16 | Silhan, Vladimir | 1430 | CZE | F | F | F | F | F | F | −8N | +19B | −14N | 1.0 | 3.0 | 3.0 | 0.00 | 901 | -3.6 |
| 17 | Filip, Petr | 1554 | CZE | F | F | F | F | F | F | −7B | −8N | −6B | 0.0 | 6.0 | 6.0 | 0.00 | 858 | -6.4 |
| 18 | Sauer, Jiri | 0 | CZE | F | F | F | F | F | F | −5B | −?B | −13N | 0.0 | 3.0 | 3.0 | 0.00 | 874 | 0.0 |
| 19 | Gregusova, Anna | 0 | CZE | F | F | F | F | F | F | −?N | −16N | −7B | 0.0 | 3.0 | 3.0 | 0.00 | 754 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Blazek, MiroslavCZE+20.83.0 pts · #1
- 2Kment, JanCZE+18.82.0 pts · #11
- 3Zuna, PavelCZE+17.41.5 pts · #7
Top rating losers
- 1Kuzel, PetrCZE-44.81.0 pts · #15
- 2Chadima, VitCZE-32.01.5 pts · #8
- 3Brettl, TobiasCZE-20.81.0 pts · #10
Biggest upsets
- R7+150 Elo gap
- R8+129 Elo gap