Prepare against Kacper Klys
CM · Poland · World #5,971 classical · FIDE ID 21005281
When preparing against Kacper Klys, expect 1.Nc3 in 57% of White games. Against 1.e4 the reply is 1...Nc6 (54% of games); against 1.d4, 1...Nf6 (83%). Lowest win rate among frequent openings: Nimzowitsch Defense as Black, 38.2% over 34 games.
Our database contains 614 games by Kacper Klys, covering Sep 2017 to Sep 2026. Below you'll find Kacper Klys's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Kacper Klys 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 | 2,249 | 2,265 | Apr 2026 |
| Rapid | 2,186 | 2,189 | Aug 2026 |
| Blitz | 2,121 | 2,187 | Mar 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 614 | 265 | 58 | 291 | 43.2% |
| As White | 309 | 145 | 32 | 132 | 46.9% |
| As Black | 305 | 120 | 26 | 159 | 39.3% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Kacper Klys's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Kacper Klys's side.
First moves as White (305 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nc3 | 175 | 57.4% | 52.3% |
| d4 | 60 | 19.7% | 53.3% |
| e4 | 54 | 17.7% | 52.8% |
| Nf3 | 11 | 3.6% | 45.5% |
| c4 | 4 | 1.3% | 37.5% |
| g3 | 1 | 0.3% | 50.0% |
Main lines as White
- 1.Nc3 — 57% of White games, 52.3% score
- …d5 (43% of these games) — Klys usually continues e4 (50.8% score)
- …Nf6 (17% of these games) — Klys usually continues e4 (52.0% score)
- …c5 (13% of these games) — Klys usually continues Nf3 (29.5% score)
- 1.d4 — 20% of White games, 53.3% score
- …Nf6 (63% of these games) — Klys usually continues Nf3 (50.0% score)
- …d5 (22% of these games) — Klys usually continues Nf3 (64.3% score)
- …d6 (5% of these games) — Klys usually continues e4 (50.0% score)
As Black against 1.e4 (129 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nc6 | 70 | 54.3% | 42.1% |
| e5 | 26 | 20.2% | 38.5% |
| e6 | 12 | 9.3% | 41.7% |
| d6 | 6 | 4.7% | 66.7% |
| c5 | 6 | 4.7% | 41.7% |
| c6 | 5 | 3.9% | 50.0% |
As Black against 1.d4 (105 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 87 | 82.9% | 46.6% |
| d5 | 12 | 11.4% | 54.2% |
| d6 | 5 | 4.8% | 80.0% |
Kacper Klys's chess games
All 614 games by Kacper Klys in the Chess.ceo database (Sep 2017 - 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: 265 wins, 58 draws, 291 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A00 | Dunst Opening | 147 | 75/7/65 | 51.0% |
| A46 | Indian Defense | 17 | 9/1/7 | 52.9% |
| A45 | London System | 15 | 9/3/3 | 60.0% |
| D02 | Queen's Pawn Game | 8 | 2/1/5 | 25.0% |
| B10 | Caro-Kann: Two Knights Variation | 7 | 3/0/4 | 42.9% |
| B28 | Sicilian | 7 | 4/1/2 | 57.1% |
| B07 | Philidor | 6 | 2/1/3 | 33.3% |
| E90 | King's Indian Defense: Orthodox Variation | 5 | 1/0/4 | 20.0% |
| C28 | Bishop's Opening | 5 | 4/0/1 | 80.0% |
| B30 | Sicilian: Rossolimo | 5 | 3/2/0 | 60.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A50 | Indian Defense | 47 | 22/4/21 | 46.8% |
| B00 | Nimzowitsch Defense | 34 | 13/1/20 | 38.2% |
| A04 | Réti Opening | 20 | 8/0/12 | 40.0% |
| A45 | Queen's Pawn Game: Chigorin Variation | 14 | 7/0/7 | 50.0% |
| D02 | Queen's Pawn Game | 13 | 8/1/4 | 61.5% |
| B07 | Pirc Defense | 9 | 6/0/3 | 66.7% |
| C55 | Italian Game | 9 | 2/1/6 | 22.2% |
| A10 | English Opening | 9 | 2/0/7 | 22.2% |
| C48 | Four Knights Game: Spanish Variation | 8 | 3/1/4 | 37.5% |
| A01 | Nimzovich-Larsen attack | 8 | 3/0/5 | 37.5% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Dec 2025 | Etienne Bacrot | 2,627 | Titled Tue | B00 |
| Jul 2026 | Jakub Kosakowski | 2,543 | Titled Tue 14th Jul 2026 | A00 |
| May 2026 | Alexander Rustemov | 2,525 | Titled Tuesday | A50 |
| Oct 2025 | Zbigniew Pakleza | 2,494 | Titled Tue | A00 |
| Jun 2025 | Novak Cabarkapa | 2,464 | Titled Tue Early | A45 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2026 | 395 | 182.5 | 2,210 |
| 1st 3-0 Thursday | 2026 | 61 | 28.5 | 2,200 |
| 2nd 3-0 Thursday | 2025 | 23 | 10 | 2,205 |
| 2nd 3-0 Thu 23rd Jul 2026 | 2026 | 10 | 4 | 2,123 |
| TCh-POL 1st League | 2025 | 9 | 4 | 2,115 |
| Ceske Budejovice Open A | 2026 | 9 | 5.5 | 2,101 |
| Wroclaw Anderssen Memorial Open B | 2023 | 9 | 4.5 | 1,547 |
| Wroclaw Open B | 2024 | 9 | 4.5 | 1,804 |
Interactive opening tree from all 614 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Kacper Klys's chess games?
614 games by Kacper Klys, from Sep 2017 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 Kacper Klys has played.
What does Kacper Klys play on the first move as White?
Across 305 games with White in our database, Kacper Klys opens with 1.Nc3 (57% of games), 1.d4 (20% of games), 1.e4 (18% of games). Against 1.e4 as Black, Kacper Klys answers 1...Nc6 (54% of games), 1...e5 (20% of games), 1...e6 (9% of games). Against 1.d4: 1...Nf6 (83% of games), 1...d5 (11% of games), 1...d6 (5% of games).
What openings does Kacper Klys play as White?
As White, Kacper Klys's most-played openings in our database are: Dunst Opening (147 games, 51.0% win rate); Indian Defense (17 games, 52.9% win rate); London System (15 games, 60.0% win rate). The full breakdown of 309 games with White is in the table above.
What openings does Kacper Klys play as Black?
As Black, Kacper Klys most often plays: Indian Defense (47 games, 46.8% win rate); Nimzowitsch Defense (34 games, 38.2% win rate); Réti Opening (20 games, 40.0% win rate). See the table above for the top ten Black openings across 305 games.
What is Kacper Klys's FIDE rating?
Kacper Klys is currently rated 2,249 in classical chess, 2,186 in rapid and 2,121 in blitz. Peak classical rating: 2,265 (Apr 2026).
How many games has Kacper Klys played?
Our database contains 614 games by Kacper Klys, covering Sep 2017 to Sep 2026. Overall record: 265 wins, 58 draws, 291 losses (43.2% win rate).
How do I prepare against Kacper Klys?
614 games by Kacper Klys 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.