Prepare against Jan Krajnak
Slovakia · World #17,817 classical · FIDE ID 14902559
When preparing against Jan Krajnak, expect 1.e4 in 98% of White games. Against 1.e4 the reply is 1...e5 (65% of games); against 1.d4, 1...d5 (51%). Lowest win rate among frequent openings: Slav Defense as Black, 45.0% over 20 games.
Our database contains 277 games by Jan Krajnak, covering Apr 2003 to Jul 2026. Below you'll find Jan Krajnak's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jan Krajnak 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 | 2,077 | 2,129 | Feb 2020 |
| Rapid | 2,005 | 2,084 | May 2014 |
| Blitz | 2,123 | 2,177 | Nov 2023 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 277 | 138 | 38 | 101 | 49.8% |
| As White | 134 | 71 | 17 | 46 | 53.0% |
| As Black | 143 | 67 | 21 | 55 | 46.9% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jan Krajnak's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jan Krajnak's side.
First moves as White (134 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 131 | 97.8% | 58.8% |
| d4 | 3 | 2.2% | 83.3% |
Main lines as White
- 1.e4 — 98% of White games, 58.8% score
- …c5 (35% of these games) — Krajnak usually continues Nf3 (64.5% score)
- …e5 (23% of these games) — Krajnak usually continues Nf3 (50.0% score)
- …c6 (14% of these games) — Krajnak usually continues d4 (61.1% score)
- 1.d4 — 2% of White games, 83.3% score
- …d5 (67% of these games) — Krajnak usually continues c4 (75.0% score)
- …Nf6 (33% of these games) — Krajnak usually continues c4 (100.0% score)
As Black against 1.e4 (80 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 52 | 65.0% | 58.7% |
| Nf6 | 20 | 25.0% | 52.5% |
| c5 | 8 | 10.0% | 81.3% |
As Black against 1.d4 (43 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 22 | 51.2% | 56.8% |
| Nf6 | 11 | 25.6% | 36.4% |
| c5 | 7 | 16.3% | 50.0% |
| e6 | 2 | 4.7% | 50.0% |
| f5 | 1 | 2.3% | 50.0% |
Jan Krajnak's chess games
All 277 games by Jan Krajnak 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: 138 wins, 38 draws, 101 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B20 | Sicilian | 17 | 12/3/2 | 70.6% |
| B12 | Caro-Kann: Fantasy Variation | 14 | 8/0/6 | 57.1% |
| C30 | King's Gambit | 13 | 6/3/4 | 46.2% |
| B21 | Sicilian: Grand Prix Attack | 10 | 7/1/2 | 70.0% |
| C10 | French: Tarrasch Variation | 8 | 5/1/2 | 62.5% |
| B92 | Sicilian: Najdorf | 7 | 5/1/1 | 71.4% |
| B07 | Pirc Defense | 6 | 2/1/3 | 33.3% |
| B01 | Scandinavian Defense: Main Line | 5 | 2/0/3 | 40.0% |
| C00 | French Defense | 4 | 2/1/1 | 50.0% |
| C87 | Ruy Lopez: Closed | 4 | 1/1/2 | 25.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D11 | Slav Defense | 20 | 9/4/7 | 45.0% |
| B05 | Alekhine Defense | 14 | 5/3/6 | 35.7% |
| C61 | Ruy Lopez | 11 | 7/1/3 | 63.6% |
| A44 | Benoni Defense | 8 | 3/1/4 | 37.5% |
| C45 | Scotch Game | 8 | 4/2/2 | 50.0% |
| C25 | Vienna Game | 7 | 3/1/3 | 42.9% |
| C24 | Italian Game | 7 | 2/0/5 | 28.6% |
| A08 | Réti Opening | 7 | 2/2/3 | 28.6% |
| D02 | Queen's Pawn Game | 6 | 4/0/2 | 66.7% |
| C58 | Italian Game: Two Knights Defense | 4 | 3/0/1 | 75.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Oct 1999 | Petr Ruzicka | 2,258 | Tatry Open | C27 |
| Feb 2007 | Marek Tauber | 2,193 | chT1E-SVK 0607 | B28 |
| Jun 2000 | Werner Weiss | 2,186 | chT-EU Railways USIC | C44 |
| Jan 2002 | Ladislav Milder | 2,176 | chT1E-SVK 0203 | A52 |
| Jan 2001 | Milan Kolesar | 2,165 | chT-SVK 3D 0001 | C29 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Tatry Open | 2014 | 15 | 3.5 | 2,012 |
| chT1E-SVK 1516 | 2016 | 11 | 6 | 2,040 |
| chT2D-SVK 1617 | 2017 | 11 | 5.5 | 2,065 |
| chT1E-SVK 1617 | 2017 | 11 | 8.5 | 2,066 |
| chT1E-SVK 1415 | 2015 | 11 | 5.5 | 2,026 |
| chT1E-SVK 0607 | 2007 | 11 | 8 | 2,209 |
| chT1E-SVK 0506 | 2006 | 11 | 6.5 | 2,087 |
| chT1E-SVK 0809 | 2009 | 11 | 4 | 2,018 |
Interactive opening tree from all 277 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jan Krajnak's chess games?
277 games by Jan Krajnak, 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 Jan Krajnak has played.
What does Jan Krajnak play on the first move as White?
Across 134 games with White in our database, Jan Krajnak opens with 1.e4 (98% of games), 1.d4 (2% of games). Against 1.e4 as Black, Jan Krajnak answers 1...e5 (65% of games), 1...Nf6 (25% of games), 1...c5 (10% of games). Against 1.d4: 1...d5 (51% of games), 1...Nf6 (26% of games), 1...c5 (16% of games).
What openings does Jan Krajnak play as White?
As White, Jan Krajnak's most-played openings in our database are: Sicilian (17 games, 70.6% win rate); Caro-Kann: Fantasy Variation (14 games, 57.1% win rate); King's Gambit (13 games, 46.2% win rate). The full breakdown of 134 games with White is in the table above.
What openings does Jan Krajnak play as Black?
As Black, Jan Krajnak most often plays: Slav Defense (20 games, 45.0% win rate); Alekhine Defense (14 games, 35.7% win rate); Ruy Lopez (11 games, 63.6% win rate). See the table above for the top ten Black openings across 143 games.
What is Jan Krajnak's FIDE rating?
Jan Krajnak is currently rated 2,077 in classical chess, 2,005 in rapid and 2,123 in blitz. Peak classical rating: 2,129 (Feb 2020).
How many games has Jan Krajnak played?
Our database contains 277 games by Jan Krajnak, covering Apr 2003 to Jul 2026. Overall record: 138 wins, 38 draws, 101 losses (49.8% win rate).
How do I prepare against Jan Krajnak?
277 games by Jan Krajnak 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.