Ondrej Zak
CZE · FIDE ID 23768959 · 22 tournament games since 2025
Standard
1551
#5173 in CZE (active)
Rapid
1536
#4871 in CZE (active)
Blitz
1478
#3206 in CZE (active)
Score
41%
8 W · 2 D · 12 L
Opp. avg
1618
Last 22 games
Last game
2026-08-30
Chess Slovak Open Skalica 2026 | Open B
Prep summary
- As White: 1.e4 in 92% of games (scores 50%).
- Against 1.e4: 1...c6 in 2 of 3 games (Caro-Kann Defense), scoring 0%.
Based on 22 over-the-board games (7 rapid). 12 with White (46%), 10 with Black (35%).
Openings as White
First move
| 1.e4 | 11 | 50% |
| 1.d4 | 1 | 0% |
Most played
| Opening | Games | Score |
|---|---|---|
| Sicilian Defense: Lasker-Pelikan Variation, Retreat Variation | 1 | 0% |
| Scotch Game: Benima Defense | 1 | 100% |
| Sicilian Defense: O'Kelly Variation, Normal System, Taimanov Line | 1 | 50% |
| Sicilian Defense: Marshall Counterattack | 1 | 0% |
| Sicilian Defense: Löwenthal Variation | 1 | 0% |
Openings as Black
Against 1.e4 (3 games)
| 1...c6 Caro-Kann Defense | 2 | 0% |
| 1...e5 King's Pawn Game | 1 | 0% |
Against 1.d4 (2 games)
| 1...Nf6 Indian Defense | 1 | 0% |
| 1...e5 Englund Gambit | 1 | 0% |
Most played
| Opening | Games | Score |
|---|---|---|
| Nimzo-Larsen Attack: Symmetrical Variation | 1 | 100% |
| English Opening: Symmetrical Variation, Three Knights Variation | 1 | 0% |
| English Opening: Anglo-Indian Defense, King's Knight Variation | 1 | 50% |
| Zukertort Opening | 1 | 100% |
| English Opening: King's English Variation | 1 | 100% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-08-30 | Alex Bartal (1706) Chess Slovak Open Skalica 2026 | Open B · rapid | L |
| 2026-08-29 | Markuss Antoniskis (1427) Chess Slovak Open Skalica 2026 | Open B · rapid | W |
| 2026-08-28 | Dafne Maklakova (1506) Chess Slovak Open Skalica 2026 | Open B · rapid | W |
| 2026-08-27 | Virag Farkas Chess Slovak Open Skalica 2026 | Open B · rapid | L |
| 2026-08-26 | Matus Rehak Chess Slovak Open Skalica 2026 | Open B · rapid | ½ |
| 2026-08-25 | Michal Chodura (1701) Chess Slovak Open Skalica 2026 | Open B · rapid | ½ |
| 2026-08-24 | Juraj Wallner (1735) Chess Slovak Open Skalica 2026 | Open B · rapid | L |
| 2026-08-23 | Gabriel Movsesian Chess Slovak Open Skalica 2026 | Open B | W |
| 2026-08-22 | Dominik Zilkay (1818) Chess Slovak Open Skalica 2026 | Open B | L |
| 2026-03-14 | Jakub Havlu (1461) Czech Youth Championship 2026 | Open | W |
Data: FIDE rating list (October 2026 list; national ranks count active players) and tournament games broadcast on Lichess since 2020 (open data, CC0). Results are matched to FIDE players by name or FIDE ID and may be incomplete. This page shows public chess results only. Is this you and you want the page removed? Email chessmoose1@gmail.com and we remove it.