Prepare against Konstantin Sek
IM · Russia · World #3,672 classical · FIDE ID 24104302
When preparing against Konstantin Sek, expect 1.e4 in 97% of White games. Against 1.e4 the reply is 1...e5 (78% of games); against 1.d4, 1...Nf6 (83%). Lowest win rate among frequent openings: Bishop's Opening as White, 26.3% over 19 games.
Our database contains 643 games by Konstantin Sek, covering Jul 2004 to Sep 2026. Below you'll find Konstantin Sek's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Konstantin Sek 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 | 2,314 | 2,478 | Apr 2018 |
| Rapid | 2,335 | 2,460 | Apr 2015 |
| Blitz | 2,389 | 2,589 | Apr 2016 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 643 | 291 | 112 | 240 | 45.3% |
| As White | 319 | 156 | 58 | 105 | 48.9% |
| As Black | 324 | 135 | 54 | 135 | 41.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Konstantin Sek's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Konstantin Sek's side.
First moves as White (319 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 311 | 97.5% | 58.5% |
| d4 | 5 | 1.6% | 30.0% |
| c4 | 3 | 0.9% | 50.0% |
Main lines as White
- 1.e4 — 97% of White games, 58.5% score
- …c5 (46% of these games) — Sek usually continues Nf3 (58.3% score)
- …e5 (17% of these games) — Sek usually continues Nf3 (55.6% score)
- …e6 (13% of these games) — Sek usually continues d4 (51.2% score)
- 1.d4 — 2% of White games, 30.0% score
- …Nf6 (60% of these games) — Sek usually continues c4 (33.3% score)
- …d5 (40% of these games) — Sek usually continues c4 (25.0% score)
As Black against 1.e4 (146 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 114 | 78.1% | 50.0% |
| Nf6 | 31 | 21.2% | 66.1% |
| c6 | 1 | 0.7% | 0.0% |
As Black against 1.d4 (114 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 95 | 83.3% | 50.5% |
| d5 | 18 | 15.8% | 41.7% |
| c5 | 1 | 0.9% | 50.0% |
Konstantin Sek's chess games
All 643 games by Konstantin Sek in the Chess.ceo database (Jul 2004 - Sep 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: 291 wins, 112 draws, 240 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B40 | Sicilian | 55 | 29/9/17 | 52.7% |
| C07 | French: Tarrasch Variation | 34 | 16/6/12 | 47.1% |
| B90 | Sicilian: Najdorf | 33 | 17/6/10 | 51.5% |
| B10 | Caro-Kann | 24 | 14/4/6 | 58.3% |
| B31 | Sicilian: Rossolimo | 21 | 7/4/10 | 33.3% |
| C24 | Bishop's Opening | 19 | 5/7/7 | 26.3% |
| C48 | Four Knights Game: Spanish Variation | 15 | 8/2/5 | 53.3% |
| B51 | Sicilian: Moscow Variation | 11 | 4/3/4 | 36.4% |
| C41 | Philidor | 11 | 6/1/4 | 54.5% |
| B27 | Sicilian: Hyperaccelerated Dragon | 8 | 6/0/2 | 75.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A67 | Benoni Defense | 56 | 26/11/19 | 46.4% |
| C72 | Ruy Lopez: Steinitz Defense Deferred | 31 | 11/3/17 | 35.5% |
| B03 | Alekhine Defense | 27 | 17/2/8 | 63.0% |
| C55 | Italian Game | 21 | 8/3/10 | 38.1% |
| A46 | Indian Defense | 21 | 11/4/6 | 52.4% |
| A33 | English Opening | 19 | 7/3/9 | 36.8% |
| C45 | Scotch Game | 15 | 9/2/4 | 60.0% |
| C70 | Ruy Lopez: Morphy Defense | 11 | 4/6/1 | 36.4% |
| D02 | Queen's Pawn Game | 10 | 3/2/5 | 30.0% |
| A62 | Catalan | 9 | 2/1/6 | 22.2% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jul 2024 | Praggnanandhaa R | 2,757 | Titled Tue Late | B07 |
| Dec 2019 | Radoslaw Wojtaszek | 2,725 | Wch Rapid | B90 |
| Jul 2024 | Bogdan-Daniel Deac | 2,683 | Titled Tue Late | B40 |
| Aug 2019 | Maksim Chigaev | 2,643 | St Petersburg Rapid | C45 |
| Dec 2019 | Emil Sutovsky | 2,643 | Wch Blitz | C72 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2026 | 210 | 120.5 | 2,367 |
| 1st 3-0 Thursday | 2026 | 31 | 16 | 2,348 |
| Wch Blitz | 2019 | 21 | 10 | 2,513 |
| St Petersburg Korchnoi Memorial Open | 2023 | 18 | 12 | 2,148 |
| ch-Vladivostok Open | 2008 | 18 | 15 | 2,495 |
| Vladivostok Primorsky Debut | 2016 | 16 | 9 | 2,476 |
| Wch Rapid | 2019 | 15 | 4.5 | 2,401 |
| 64th ch-RUS Higher League | 2011 | 11 | 4.5 | 2,470 |
Interactive opening tree from all 643 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Konstantin Sek's chess games?
643 games by Konstantin Sek, from Jul 2004 to Sep 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 Konstantin Sek has played.
What does Konstantin Sek play on the first move as White?
Across 319 games with White in our database, Konstantin Sek opens with 1.e4 (97% of games), 1.d4 (2% of games), 1.c4 (1% of games). Against 1.e4 as Black, Konstantin Sek answers 1...e5 (78% of games), 1...Nf6 (21% of games), 1...c6 (1% of games). Against 1.d4: 1...Nf6 (83% of games), 1...d5 (16% of games), 1...c5 (1% of games).
What openings does Konstantin Sek play as White?
As White, Konstantin Sek's most-played openings in our database are: Sicilian (55 games, 52.7% win rate); French: Tarrasch Variation (34 games, 47.1% win rate); Sicilian: Najdorf (33 games, 51.5% win rate). The full breakdown of 319 games with White is in the table above.
What openings does Konstantin Sek play as Black?
As Black, Konstantin Sek most often plays: Benoni Defense (56 games, 46.4% win rate); Ruy Lopez: Steinitz Defense Deferred (31 games, 35.5% win rate); Alekhine Defense (27 games, 63.0% win rate). See the table above for the top ten Black openings across 324 games.
What is Konstantin Sek's FIDE rating?
Konstantin Sek is currently rated 2,314 in classical chess, 2,335 in rapid and 2,389 in blitz. Peak classical rating: 2,478 (Apr 2018).
How many games has Konstantin Sek played?
Our database contains 643 games by Konstantin Sek, covering Jul 2004 to Sep 2026. Overall record: 291 wins, 112 draws, 240 losses (45.3% win rate).
How do I prepare against Konstantin Sek?
643 games by Konstantin Sek 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.