Prepare against Jozef Kostelny
Slovakia · World #13,953 classical · FIDE ID 14903458
When preparing against Jozef Kostelny, expect 1.d4 in 95% of White games. Against 1.e4 the reply is 1...c5 (89% of games); against 1.d4, 1...Nf6 (90%). Lowest win rate among frequent openings: Sicilian: Rossolimo as Black, 6.3% over 16 games.
Our database contains 440 games by Jozef Kostelny, covering Apr 2003 to Aug 2026. Below you'll find Jozef Kostelny's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jozef Kostelny 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 | 2,117 | 2,284 | Oct 2004 |
| Rapid | 2,132 | 2,200 | Jun 2019 |
| Blitz | 2,086 | 2,093 | Oct 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 440 | 183 | 111 | 146 | 41.6% |
| As White | 228 | 104 | 63 | 61 | 45.6% |
| As Black | 212 | 79 | 48 | 85 | 37.3% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jozef Kostelny's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jozef Kostelny's side.
First moves as White (228 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 216 | 94.7% | 60.4% |
| c4 | 11 | 4.8% | 36.4% |
| Nf3 | 1 | 0.4% | 100.0% |
Main lines as White
- 1.d4 — 95% of White games, 60.4% score
- …Nf6 (54% of these games) — Kostelny usually continues c4 (58.8% score)
- …d5 (29% of these games) — Kostelny usually continues c4 (60.4% score)
- …f5 (6% of these games) — Kostelny usually continues Nf3 (30.0% score)
- 1.c4 — 5% of White games, 36.4% score
- …Nf6 (27% of these games) — Kostelny usually continues g3 (50.0% score)
- …e6 (27% of these games) — Kostelny usually continues Nc3 (0.0% score)
- …Nc6 (9% of these games) — Kostelny usually continues Nc3 (0.0% score)
As Black against 1.e4 (113 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 101 | 89.4% | 46.5% |
| g6 | 8 | 7.1% | 31.3% |
| d6 | 2 | 1.8% | 50.0% |
| e5 | 2 | 1.8% | 50.0% |
As Black against 1.d4 (51 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 46 | 90.2% | 53.3% |
| g6 | 3 | 5.9% | 66.7% |
| d6 | 1 | 2.0% | 0.0% |
| d5 | 1 | 2.0% | 50.0% |
Jozef Kostelny's chess games
All 440 games by Jozef Kostelny in the Chess.ceo database (Apr 2003 - Aug 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: 183 wins, 111 draws, 146 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A46 | Indian Defense | 30 | 17/9/4 | 56.7% |
| E94 | King's Indian Defense: Orthodox Variation | 29 | 12/9/8 | 41.4% |
| D15 | Slav Defense | 23 | 11/8/4 | 47.8% |
| A59 | Benoni Defense | 18 | 9/5/4 | 50.0% |
| D91 | Grünfeld Defense | 14 | 8/1/5 | 57.1% |
| E44 | Nimzo-Indian: Rubinstein System | 14 | 4/6/4 | 28.6% |
| D36 | Queen's Gambit Declined | 14 | 5/4/5 | 35.7% |
| A80 | Dutch Defense | 12 | 5/2/5 | 41.7% |
| E92 | King's Indian Defense: Petrosian Variation | 11 | 7/3/1 | 63.6% |
| E01 | Catalan | 10 | 4/3/3 | 40.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B57 | Sicilian | 57 | 22/10/25 | 38.6% |
| B31 | Sicilian: Rossolimo | 16 | 1/6/9 | 6.3% |
| A26 | English Opening | 16 | 6/3/7 | 37.5% |
| B08 | Modern Defense | 12 | 4/1/7 | 33.3% |
| B33 | Sicilian: Sveshnikov | 9 | 5/1/3 | 55.6% |
| B23 | Sicilian: Closed | 9 | 3/2/4 | 33.3% |
| E94 | King's Indian Defense: Orthodox Variation | 7 | 4/0/3 | 57.1% |
| A46 | Indian Defense | 7 | 3/2/2 | 42.9% |
| E12 | Queen's Indian Defense | 7 | 1/3/3 | 14.3% |
| A05 | Réti Opening | 5 | 3/1/1 | 60.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Feb 2016 | Vojtech Plat | 2,471 | chT2C-SVK 1516 | A55 |
| Feb 2007 | Jaromir Bednar | 2,416 | chT-SVK 2C 0607 | A47 |
| Jan 1997 | Juraj Lipka | 2,370 | Bratislava Slovan Open | A85 |
| Nov 2009 | Peter Petran | 2,361 | chT-SVK 0910 | A40 |
| Sep 2015 | Jakub Szotkowski | 2,328 | Tatry Open | E16 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Tatry Open | 2018 | 38 | 20 | 2,190 |
| chT1E-SVK 9899 | 1999 | 11 | 5.5 | 2,180 |
| chT-SVK 2C 0607 | 2007 | 11 | 5.5 | 2,181 |
| chT-SVK 0607 | 2007 | 10 | 4.5 | 2,218 |
| chT-SVK 0910 | 2010 | 10 | 7 | 2,423 |
| chT-SVK 1E 0708 | 2008 | 10 | 5 | 2,125 |
| chT2C-SVK 1819 | 2019 | 10 | 6 | 2,241 |
| chT-SVK 2C 0910 | 2010 | 9 | 5 | 2,271 |
Interactive opening tree from all 440 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jozef Kostelny's chess games?
440 games by Jozef Kostelny, from Apr 2003 to Aug 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 Jozef Kostelny has played.
What does Jozef Kostelny play on the first move as White?
Across 228 games with White in our database, Jozef Kostelny opens with 1.d4 (95% of games), 1.c4 (5% of games), 1.Nf3 (0% of games). Against 1.e4 as Black, Jozef Kostelny answers 1...c5 (89% of games), 1...g6 (7% of games), 1...d6 (2% of games). Against 1.d4: 1...Nf6 (90% of games), 1...g6 (6% of games), 1...d6 (2% of games).
What openings does Jozef Kostelny play as White?
As White, Jozef Kostelny's most-played openings in our database are: Indian Defense (30 games, 56.7% win rate); King's Indian Defense: Orthodox Variation (29 games, 41.4% win rate); Slav Defense (23 games, 47.8% win rate). The full breakdown of 228 games with White is in the table above.
What openings does Jozef Kostelny play as Black?
As Black, Jozef Kostelny most often plays: Sicilian (57 games, 38.6% win rate); Sicilian: Rossolimo (16 games, 6.3% win rate); English Opening (16 games, 37.5% win rate). See the table above for the top ten Black openings across 212 games.
What is Jozef Kostelny's FIDE rating?
Jozef Kostelny is currently rated 2,117 in classical chess, 2,132 in rapid and 2,086 in blitz. Peak classical rating: 2,284 (Oct 2004).
How many games has Jozef Kostelny played?
Our database contains 440 games by Jozef Kostelny, covering Apr 2003 to Aug 2026. Overall record: 183 wins, 111 draws, 146 losses (41.6% win rate).
How do I prepare against Jozef Kostelny?
440 games by Jozef Kostelny 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.