Prepare against Istvan Hajdu
Hungary · World #71,206 classical · FIDE ID 736562
When preparing against Istvan Hajdu, expect 1.e4 in 91% of White games. Against 1.e4 the reply is 1...c6 (43% of games); against 1.d4, 1...Nf6 (67%).
Our database contains 54 games by Istvan Hajdu, covering Jul 2011 to Jul 2026. Below you'll find Istvan Hajdu's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Istvan Hajdu before a game. You can open the same data in the free interactive preparation workstation, which builds a move-by-move opening tree from every game.
Ratings
| Time control | Current | Peak | Peak date |
|---|---|---|---|
| Classical | 1,817 | 1,944 | May 2012 |
| Rapid | 1,754 | 1,817 | Apr 2024 |
| Blitz | 1,879 | 1,879 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 54 | 11 | 28 | 15 | 20.4% |
| As White | 32 | 9 | 20 | 3 | 28.1% |
| As Black | 22 | 2 | 8 | 12 | 9.1% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Istvan Hajdu's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Istvan Hajdu's side.
First moves as White (32 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 29 | 90.6% | 58.6% |
| Nf3 | 1 | 3.1% | 50.0% |
| d4 | 1 | 3.1% | 50.0% |
| c4 | 1 | 3.1% | 100.0% |
Main lines as White
- 1.e4 — 91% of White games, 58.6% score
- …c5 (41% of these games) — Hajdu usually continues Nf3 (62.5% score)
- …e5 (21% of these games) — Hajdu usually continues Nf3 (30.0% score)
- …c6 (14% of these games) — Hajdu usually continues d4 (62.5% score)
- 1.Nf3 — 3% of White games, 50.0% score
- …Nf6 (100% of these games) — Hajdu usually continues g3 (50.0% score)
As Black against 1.e4 (14 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c6 | 6 | 42.9% | 41.7% |
| e5 | 3 | 21.4% | 0.0% |
| c5 | 2 | 14.3% | 0.0% |
| d5 | 1 | 7.1% | 0.0% |
| Nc6 | 1 | 7.1% | 50.0% |
| g6 | 1 | 7.1% | 0.0% |
As Black against 1.d4 (3 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 2 | 66.7% | 50.0% |
| d5 | 1 | 33.3% | 50.0% |
Istvan Hajdu's chess games
All 54 games by Istvan Hajdu in the Chess.ceo database (Jul 2011 - Jul 2026) are free to browse, search and replay: filter by opening, opponent, event or date on the player page, or step through any game on the analysis board. Record: 11 wins, 28 draws, 15 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B53 | Sicilian | 7 | 2/4/1 | 28.6% |
| B30 | Sicilian: Rossolimo | 3 | 1/2/0 | 33.3% |
| B13 | Caro-Kann: Exchange Variation | 2 | 0/2/0 | 0.0% |
| C01 | French: Exchange Variation | 2 | 1/1/0 | 50.0% |
| C68 | Ruy Lopez: Exchange | 2 | 0/2/0 | 0.0% |
| B01 | Scandinavian Defense: Main Line | 2 | 0/2/0 | 0.0% |
| C50 | Italian Game: Giuoco Pianissimo | 1 | 0/0/1 | 0.0% |
| B00 | King's Pawn Game | 1 | 1/0/0 | 100.0% |
| C42 | Petrov's Defense | 1 | 0/1/0 | 0.0% |
| E17 | Réti Opening | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D02 | Queen's Pawn Game | 2 | 0/2/0 | 0.0% |
| B13 | Caro-Kann: Exchange Variation | 2 | 0/1/1 | 0.0% |
| B12 | Caro-Kann: Advance Variation | 1 | 0/0/1 | 0.0% |
| B15 | Caro-Kann: Bronstein-Larsen | 1 | 0/1/0 | 0.0% |
| B11 | Caro-Kann: Two Knights Variation | 1 | 0/1/0 | 0.0% |
| A36 | English Opening: Symmetrical | 1 | 0/1/0 | 0.0% |
| D77 | Indian Defense | 1 | 0/0/1 | 0.0% |
| C50 | Italian Game | 1 | 0/0/1 | 0.0% |
| A47 | King's Indian Defense | 1 | 1/0/0 | 100.0% |
| E76 | King's Indian Defense: Four Pawns Attack | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Dec 2017 | Viktoria Egyed | 1,992 | chT2-HUN Toth 1718 | B41 |
| Oct 2017 | Csaba Miklos | 1,977 | chT2-HUN Toth 1718 | B54 |
| Mar 2019 | Sandor Korcz | 1,962 | chT2-HUN Szechenyi 1819 | B34 |
| Nov 2018 | Jozsef Nagy | 1,922 | chT2-HUN Toth 1819 | B15 |
| Mar 2024 | Miklos Kokai | 1,909 | chT2-HUN Szechenyi 2324 | B01 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| chT2-HUN Toth 1718 | 2018 | 10 | 6.5 | 2,126 |
| chT2-HUN Szechenyi 2223 | 2023 | 7 | 1.5 | 1,640 |
| chT2-HUN Szechenyi 1112 | 2012 | 6 | 2.5 | 1,900 |
| chT2-HUN Szechenyi 2324 | 2024 | 5 | 2.5 | 1,727 |
| chT2-HUN Szechenyi 1314 | 2014 | 5 | 1 | 1,728 |
| chT2-HUN Szechenyi 1213 | 2013 | 4 | 2 | 2,020 |
| chT2-HUN Szechenyi 1617 | 2016 | 3 | 1 | 1,583 |
| chT2-HUN Szechenyi 1819 | 2019 | 3 | 2 | 1,946 |
Interactive opening tree from all 54 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Istvan Hajdu's chess games?
54 games by Istvan Hajdu, from Jul 2011 to Jul 2026, are free to browse and replay move by move — no signup needed. The preparation view groups them into an opening tree showing every line Istvan Hajdu has played.
What does Istvan Hajdu play on the first move as White?
Across 32 games with White in our database, Istvan Hajdu opens with 1.e4 (91% of games), 1.Nf3 (3% of games), 1.d4 (3% of games). Against 1.e4 as Black, Istvan Hajdu answers 1...c6 (43% of games), 1...e5 (21% of games), 1...c5 (14% of games). Against 1.d4: 1...Nf6 (67% of games), 1...d5 (33% of games).
What openings does Istvan Hajdu play as White?
As White, Istvan Hajdu's most-played openings in our database are: Sicilian (7 games, 28.6% win rate); Sicilian: Rossolimo (3 games, 33.3% win rate); Caro-Kann: Exchange Variation (2 games, 0.0% win rate). The full breakdown of 32 games with White is in the table above.
What openings does Istvan Hajdu play as Black?
As Black, Istvan Hajdu most often plays: Queen's Pawn Game (2 games, 0.0% win rate); Caro-Kann: Exchange Variation (2 games, 0.0% win rate); Caro-Kann: Advance Variation (1 games, 0.0% win rate). See the table above for the top ten Black openings across 22 games.
What is Istvan Hajdu's FIDE rating?
Istvan Hajdu is currently rated 1,817 in classical chess, 1,754 in rapid and 1,879 in blitz. Peak classical rating: 1,944 (May 2012).
How many games has Istvan Hajdu played?
Our database contains 54 games by Istvan Hajdu, covering Jul 2011 to Jul 2026. Overall record: 11 wins, 28 draws, 15 losses (20.4% win rate).
How do I prepare against Istvan Hajdu?
54 games by Istvan Hajdu reveal their opening repertoire, most-played lines, and the variations where they score worst — the raw material for targeted preparation. The interactive opening tree lets you walk every line to any depth.