8. Open Bohumin 2025 H - U14
8 players participated in this 9-round tournament, held from 01 Jul 2025 to 03 Jul 2025 in Bohumin, Czech Republic. 2 federations represented. Top 10 Elo average was 0, and top seed was Mathias Jordan (🇨🇿 CZE, 1605).
Ondrej Koscielnik (🇨🇿 CZE, 0) won with 8.5/9, ahead of David Dzialo (6.5) and Matyas Galuzny (4.0). Koscielnik broke clear in the final round.
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How it unfolded
Top 6 · 9 roundsOndrej Koscielnik led from R9; +2.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R9.
Ondrej Koscielnik never relinquished the lead after R9; final gap +2.0 over the runner-up.
Ondrej Koscielnik beat David Dzialo (White).
Ondrej Koscielnik posted 3 in a row (R1–R3) and 5 in a row (R5–R9) — total 8 wins.
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Ondrej Koscielnik | * | 1 | 1 | 1 |
| 2David Dzialo | 0 | * | 1 | 1 |
| 3Jan Iwanuszek | 0 | 0 | * | 1 |
| 4Matyas Galuzny | 0 | 0 | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Koscielnik, Ondrej | 0 | CZE | +4B | +?N | +2B | =?N | +3B | +5N | +7B | +6N | +8B | 8.5 | 27.0 | 27.0 | 27.00 | 1605 | 0.0 |
| 2 | Dzialo, David | 0 | CZE | +5N | +8B | −1N | +3B | +7N | −?N | +4B | +?N | =6B | 6.5 | 29.0 | 29.0 | 19.00 | 805 | 0.0 |
| 3 | Galuzny, Matyas | 0 | CZE | +?B | −?N | +?B | −2N | −1N | +4B | F | +7N | −5B | 4.0 | 26.0 | 26.0 | 7.00 | 805 | 0.0 |
| 4 | Hrdy, Petr | 0 | CZE | −1N | +5B | +?N | +6B | −?B | −3N | −2N | F | +?B | 4.0 | 26.0 | 26.0 | 7.00 | 805 | 0.0 |
| 5 | Iwanuszek, Jan | 0 | CZE | −2B | −4N | F | +?B | +8N | −1B | −?N | +?B | +3N | 4.0 | 25.5 | 25.5 | 6.50 | 805 | 0.0 |
| 6 | Filzak, Matej | 0 | CZE | −?B | =7N | =8B | −4N | F | =?B | +?N | −1B | =2N | 3.0 | 24.5 | 24.5 | 6.00 | 805 | 0.0 |
| 7 | Budnik, Szymon | 0 | POL | =8N | =6B | −?B | +?N | −2B | F | −1N | −3B | +?N | 3.0 | 24.5 | 24.5 | 2.75 | 805 | 0.0 |
| 8 | Rydzak, Dawid | 0 | POL | =7B | −2N | =6N | F | −5B | +?N | =?B | −?B | −1N | 2.5 | 25.0 | 25.0 | 3.00 | 805 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Iwanuszek, JanCZE0.04.0 pts · #2
- 2Koscielnik, OndrejCZE0.08.5 pts · #1
- 3Dzialo, DavidCZE0.06.5 pts · #5
- 1Iwanuszek, JanCZE0.04.0 pts · #2
- 2Koscielnik, OndrejCZE0.08.5 pts · #1
- 3Dzialo, DavidCZE0.06.5 pts · #5