Prepare against Janos Orso
FM · Hungary · World #31,417 classical · FIDE ID 702099
Our database contains 247 games by Janos Orso, covering Apr 2003 to Jul 2026. Below you'll find Janos Orso's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Janos Orso 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 | 1,977 | 2,275 | Apr 2003 |
| Rapid | 1,940 | 2,093 | Jun 2021 |
| Blitz | 2,059 | 2,084 | Aug 2015 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 247 | 78 | 96 | 73 | 31.6% |
| As White | 133 | 45 | 50 | 38 | 33.8% |
| As Black | 114 | 33 | 46 | 35 | 28.9% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Janos Orso's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Janos Orso's side.
First moves as White (133 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 123 | 92.5% | 52.4% |
| c4 | 4 | 3.0% | 62.5% |
| Nf3 | 3 | 2.3% | 83.3% |
| e4 | 2 | 1.5% | 25.0% |
| b4 | 1 | 0.8% | 0.0% |
Main lines as White
- 1.d4 — 92% of White games, 52.4% score
- …Nf6 (59% of these games) — Orso usually continues c4 (46.1% score)
- …d5 (28% of these games) — Orso usually continues c4 (63.5% score)
- …f5 (5% of these games) — Orso usually continues g3 (50.0% score)
- 1.c4 — 3% of White games, 62.5% score
- …Nf6 (50% of these games) — Orso usually continues Nc3 (50.0% score)
- …e5 (25% of these games) — Orso usually continues Nc3 (100.0% score)
- …b6 (25% of these games) — Orso usually continues e4 (50.0% score)
As Black against 1.e4 (57 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 55 | 96.5% | 50.0% |
| c6 | 1 | 1.8% | 50.0% |
| e6 | 1 | 1.8% | 50.0% |
As Black against 1.d4 (40 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 29 | 72.5% | 55.2% |
| d5 | 7 | 17.5% | 50.0% |
| c5 | 2 | 5.0% | 75.0% |
| Nc6 | 1 | 2.5% | 50.0% |
| e6 | 1 | 2.5% | 0.0% |
Janos Orso's chess games
All 247 games by Janos Orso 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: 78 wins, 96 draws, 73 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A53 | Indian Defense | 18 | 4/8/6 | 22.2% |
| D52 | Slav Defense | 17 | 9/6/2 | 52.9% |
| E81 | King's Indian: Sämisch | 17 | 12/3/2 | 70.6% |
| D87 | Grünfeld Defense | 12 | 1/7/4 | 8.3% |
| A30 | Benoni Defense | 8 | 3/3/2 | 37.5% |
| A81 | Dutch Defense | 7 | 2/3/2 | 28.6% |
| D02 | Queen's Pawn Game | 5 | 0/4/1 | 0.0% |
| A85 | Queen's Gambit Declined | 5 | 2/1/2 | 40.0% |
| E12 | Queen's Indian Defense | 5 | 0/1/4 | 0.0% |
| A51 | Budapest Defense | 4 | 1/1/2 | 25.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B40 | Sicilian | 21 | 9/7/5 | 42.9% |
| B23 | Sicilian: Closed | 12 | 4/3/5 | 33.3% |
| A46 | Indian Defense | 8 | 4/3/1 | 50.0% |
| D06 | English Opening | 6 | 2/1/3 | 33.3% |
| B45 | Sicilian: Four Knights | 6 | 2/2/2 | 33.3% |
| B22 | Sicilian: Alapin | 6 | 1/3/2 | 16.7% |
| B30 | Sicilian: Rossolimo | 5 | 1/2/2 | 20.0% |
| A25 | English Opening: Reverse Sicilian | 4 | 2/0/2 | 50.0% |
| E38 | Nimzo-Indian: Classical Variation | 4 | 1/1/2 | 25.0% |
| A32 | Benoni Defense | 4 | 2/1/1 | 50.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| May 2001 | Miklos Orso | 2,386 | 26th Elekes Memorial IM | E39 |
| Oct 2007 | Istvan Gelle | 2,324 | chT2-HUN Breyer 0708 | A48 |
| Jan 1995 | Tamas Pfeifer | 2,315 | chT-HUN 2 9495 | B48 |
| May 2001 | Irina Semenova | 2,312 | 26th Elekes Memorial IM | B42 |
| Feb 2007 | Jozsef Tabor | 2,285 | chT2-HUN Erkel 0607 | B23 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Budapest FS06 FM-A | 2015 | 20 | 10.5 | 2,052 |
| Budapest FS05 FM | 2001 | 13 | 9.5 | 2,232 |
| chT-HUN 9899 | 1999 | 12 | 5 | 2,223 |
| 26th Elekes Memorial IM | 2001 | 11 | 6.5 | 2,361 |
| chT2-HUN 9394 | 1994 | 11 | 4 | 2,164 |
| chT-HUN 2 9495 | 1995 | 11 | 6.5 | 2,322 |
| chT-HUN 9596 | 1996 | 10 | 5 | 2,305 |
| chT2-HUN Breyer 0304 | 2004 | 10 | 5 | 2,127 |
Interactive opening tree from all 247 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Janos Orso's chess games?
247 games by Janos Orso, 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 Orso has played.
What does Janos Orso play on the first move as White?
Across 133 games with White in our database, Janos Orso opens with 1.d4 (92% of games), 1.c4 (3% of games), 1.Nf3 (2% of games). Against 1.e4 as Black, Janos Orso answers 1...c5 (96% of games), 1...c6 (2% of games), 1...e6 (2% of games). Against 1.d4: 1...Nf6 (73% of games), 1...d5 (18% of games), 1...c5 (5% of games).
What openings does Janos Orso play as White?
As White, Janos Orso's most-played openings in our database are: Indian Defense (18 games, 22.2% win rate); Slav Defense (17 games, 52.9% win rate); King's Indian: Sämisch (17 games, 70.6% win rate). The full breakdown of 133 games with White is in the table above.
What openings does Janos Orso play as Black?
As Black, Janos Orso most often plays: Sicilian (21 games, 42.9% win rate); Sicilian: Closed (12 games, 33.3% win rate); Indian Defense (8 games, 50.0% win rate). See the table above for the top ten Black openings across 114 games.
What is Janos Orso's FIDE rating?
Janos Orso is currently rated 1,977 in classical chess, 1,940 in rapid and 2,059 in blitz. Peak classical rating: 2,275 (Apr 2003).
How many games has Janos Orso played?
Our database contains 247 games by Janos Orso, covering Apr 2003 to Jul 2026. Overall record: 78 wins, 96 draws, 73 losses (31.6% win rate).
How do I prepare against Janos Orso?
247 games by Janos Orso 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.