Prepare against Janos Gruz
Hungary · World #109,960 classical · FIDE ID 703710
When preparing against Janos Gruz, expect 1.d4 in 43% of White games. Against 1.e4 the reply is 1...c5 (63% of games); against 1.d4, 1...d5 (77%). Lowest win rate among frequent openings: Sicilian as Black, 14.3% over 21 games.
Our database contains 632 games by Janos Gruz, covering Apr 2003 to Jul 2026. Below you'll find Janos Gruz's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Janos Gruz 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 | 1,701 | 2,146 | Apr 2003 |
| Rapid | 1,818 | 1,818 | Jul 2026 |
| Blitz | 1,857 | 1,857 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 632 | 161 | 284 | 187 | 25.5% |
| As White | 314 | 92 | 148 | 74 | 29.3% |
| As Black | 318 | 69 | 136 | 113 | 21.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Janos Gruz's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Janos Gruz's side.
First moves as White (314 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 136 | 43.3% | 51.1% |
| Nf3 | 72 | 22.9% | 48.6% |
| c4 | 67 | 21.3% | 53.7% |
| e4 | 31 | 9.9% | 64.5% |
| g3 | 6 | 1.9% | 58.3% |
| h3 | 1 | 0.3% | 100.0% |
Main lines as White
- 1.d4 — 43% of White games, 51.1% score
- …d5 (48% of these games) — Gruz usually continues Nf3 (51.7% score)
- …Nf6 (40% of these games) — Gruz usually continues Nf3 (57.1% score)
- …e6 (4% of these games) — Gruz usually continues Nf3 (16.7% score)
- 1.Nf3 — 23% of White games, 48.6% score
- …Nf6 (38% of these games) — Gruz usually continues d4 (46.4% score)
- …d5 (29% of these games) — Gruz usually continues d4 (50.0% score)
- …c5 (13% of these games) — Gruz usually continues c4 (30.0% score)
As Black against 1.e4 (175 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 111 | 63.4% | 44.1% |
| d6 | 42 | 24.0% | 47.6% |
| e5 | 6 | 3.4% | 50.0% |
| e6 | 6 | 3.4% | 16.7% |
| g6 | 4 | 2.3% | 37.5% |
| c6 | 2 | 1.1% | 50.0% |
As Black against 1.d4 (100 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 77 | 77.0% | 43.5% |
| Nf6 | 13 | 13.0% | 34.6% |
| d6 | 5 | 5.0% | 20.0% |
| g6 | 4 | 4.0% | 37.5% |
| e6 | 1 | 1.0% | 50.0% |
Janos Gruz's chess games
All 632 games by Janos Gruz in the Chess.ceo database (Apr 2003 - 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: 161 wins, 284 draws, 187 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D02 | London System | 46 | 16/24/6 | 34.8% |
| D02 | Queen's Pawn Game | 35 | 10/16/9 | 28.6% |
| A46 | Indian Defense | 25 | 6/15/4 | 24.0% |
| A04 | Réti Opening | 22 | 8/6/8 | 36.4% |
| A16 | English Opening | 21 | 5/13/3 | 23.8% |
| A25 | English Opening: Reverse Sicilian | 19 | 7/8/4 | 36.8% |
| A36 | English Opening: Symmetrical | 16 | 5/8/3 | 31.3% |
| B30 | Sicilian | 13 | 4/6/3 | 30.8% |
| D05 | Colle System | 12 | 3/6/3 | 25.0% |
| A48 | King's Indian Defense | 11 | 2/5/4 | 18.2% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B92 | Sicilian: Najdorf | 59 | 17/21/21 | 28.8% |
| B07 | Pirc Defense | 42 | 11/18/13 | 26.2% |
| D02 | Queen's Pawn Game | 24 | 5/10/9 | 20.8% |
| A84 | Queen's Gambit Declined | 24 | 8/8/8 | 33.3% |
| B50 | Sicilian | 21 | 3/5/13 | 14.3% |
| A84 | Semi-Slav Defense | 11 | 5/6/0 | 45.5% |
| D00 | London System | 10 | 0/3/7 | 0.0% |
| A10 | English Opening: Dutch Defense | 9 | 3/4/2 | 33.3% |
| A41 | Modern Defense | 8 | 2/1/5 | 25.0% |
| A46 | Indian Defense | 8 | 0/3/5 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2007 | Istvan Kovacs | 2,251 | chT2-HUN Erkel 0607 | D02 |
| Jun 2003 | Mohd Omar Ak Hira Pg | 2,200 | Budapest FS06 FM-A | B86 |
| Apr 2008 | Lajos Borda | 2,199 | Budapest FS04 FM-A | E12 |
| Jul 2004 | Martin Kopisch | 2,177 | Budapest FS07 FM-B | A37 |
| Sep 2007 | Jan Mose Nielsen | 2,176 | Budapest FS09 FM-A | B88 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Budapest FS10 FM-B | 2014 | 41 | 25 | 1,877 |
| Budapest FS07 FM-B | 2013 | 39 | 22 | 1,871 |
| Budapest FS11 FM-B | 2015 | 35 | 15.5 | 1,752 |
| Budapest FS07 FM-A | 2010 | 33 | 11 | 1,948 |
| Budapest FS02 FM-A | 2013 | 31 | 12.5 | 1,986 |
| Budapest FS08 FM-B | 2014 | 30 | 16.5 | 1,826 |
| Budapest FS06 FM-A | 2014 | 29 | 8 | 1,874 |
| Budapest FS02 FM-B | 2012 | 28 | 15.5 | 1,861 |
Frequent opponents
Head-to-head records: Otto Nemeth (24 games) · Andras Bacsi (11 games)
Interactive opening tree from all 632 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Janos Gruz's chess games?
632 games by Janos Gruz, from Apr 2003 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 Janos Gruz has played.
What does Janos Gruz play on the first move as White?
Across 314 games with White in our database, Janos Gruz opens with 1.d4 (43% of games), 1.Nf3 (23% of games), 1.c4 (21% of games). Against 1.e4 as Black, Janos Gruz answers 1...c5 (63% of games), 1...d6 (24% of games), 1...e5 (3% of games). Against 1.d4: 1...d5 (77% of games), 1...Nf6 (13% of games), 1...d6 (5% of games).
What openings does Janos Gruz play as White?
As White, Janos Gruz's most-played openings in our database are: London System (46 games, 34.8% win rate); Queen's Pawn Game (35 games, 28.6% win rate); Indian Defense (25 games, 24.0% win rate). The full breakdown of 314 games with White is in the table above.
What openings does Janos Gruz play as Black?
As Black, Janos Gruz most often plays: Sicilian: Najdorf (59 games, 28.8% win rate); Pirc Defense (42 games, 26.2% win rate); Queen's Pawn Game (24 games, 20.8% win rate). See the table above for the top ten Black openings across 318 games.
What is Janos Gruz's FIDE rating?
Janos Gruz is currently rated 1,701 in classical chess, 1,818 in rapid and 1,857 in blitz. Peak classical rating: 2,146 (Apr 2003).
How many games has Janos Gruz played?
Our database contains 632 games by Janos Gruz, covering Apr 2003 to Jul 2026. Overall record: 161 wins, 284 draws, 187 losses (25.5% win rate).
How do I prepare against Janos Gruz?
632 games by Janos Gruz 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.