Prepare against Dennis Kaczmarczyk
IM · DEU · World #1,021 classical · FIDE ID 24608297
Our database contains 402 games by Dennis Kaczmarczyk, covering Oct 2004 to Aug 2026. Below you'll find Dennis Kaczmarczyk's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Dennis Kaczmarczyk 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 | 2,450 | 2,490 | Mar 2023 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 402 | 190 | 120 | 92 | 47.3% |
| As White | 213 | 104 | 59 | 50 | 48.8% |
| As Black | 189 | 86 | 61 | 42 | 45.5% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Dennis Kaczmarczyk's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Dennis Kaczmarczyk's side.
First moves as White (213 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 136 | 63.8% | 63.6% |
| e4 | 38 | 17.8% | 59.2% |
| c4 | 33 | 15.5% | 59.1% |
| Nf3 | 4 | 1.9% | 87.5% |
| b3 | 2 | 0.9% | 75.0% |
Main lines as White
- 1.d4 — 64% of White games, 63.6% score
- …Nf6 (53% of these games) — Kaczmarczyk usually continues c4 (56.0% score)
- …d5 (29% of these games) — Kaczmarczyk usually continues c4 (69.0% score)
- …e6 (7% of these games) — Kaczmarczyk usually continues c4 (41.7% score)
- 1.e4 — 18% of White games, 59.2% score
- …e6 (37% of these games) — Kaczmarczyk usually continues d4 (68.2% score)
- …c5 (32% of these games) — Kaczmarczyk usually continues Nf3 (43.8% score)
- …e5 (16% of these games) — Kaczmarczyk usually continues Nf3 (75.0% score)
As Black against 1.e4 (85 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 69 | 81.2% | 58.0% |
| c5 | 15 | 17.6% | 63.3% |
| e5 | 1 | 1.2% | 50.0% |
As Black against 1.d4 (62 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 36 | 58.1% | 63.9% |
| d5 | 23 | 37.1% | 65.2% |
| f5 | 2 | 3.2% | 75.0% |
| e6 | 1 | 1.6% | 50.0% |
Dennis Kaczmarczyk's chess games
All 402 games by Dennis Kaczmarczyk in the Chess.ceo database (Oct 2004 - 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: 190 wins, 120 draws, 92 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A45 | Trompowsky Attack | 21 | 11/4/6 | 52.4% |
| D15 | Slav Defense | 15 | 8/3/4 | 53.3% |
| E01 | Catalan | 14 | 4/6/4 | 28.6% |
| D37 | Indian Defense | 14 | 5/4/5 | 35.7% |
| E61 | English Opening | 14 | 8/4/2 | 57.1% |
| D00 | Queen's Pawn Game | 11 | 7/3/1 | 63.6% |
| E32 | Nimzo-Indian: Classical Variation | 10 | 2/5/3 | 20.0% |
| A25 | English Opening: Reverse Sicilian | 8 | 2/2/4 | 25.0% |
| C02 | French: Advance Variation | 6 | 6/0/0 | 100.0% |
| A58 | Benoni Defense | 6 | 3/1/2 | 50.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D41 | Indian Defense | 17 | 9/3/5 | 52.9% |
| C07 | French: Tarrasch Variation | 15 | 4/5/6 | 26.7% |
| C11 | French: Classical Variation | 13 | 5/6/2 | 38.5% |
| C18 | French: Winawer Variation | 13 | 6/3/4 | 46.2% |
| B28 | Sicilian | 12 | 6/3/3 | 50.0% |
| A09 | Réti Opening | 10 | 3/6/1 | 30.0% |
| C02 | French: Advance Variation | 10 | 4/4/2 | 40.0% |
| A36 | English Opening: Symmetrical | 8 | 3/3/2 | 37.5% |
| C00 | King's Indian Attack | 8 | 7/1/0 | 87.5% |
| C00 | French Defense | 7 | 3/0/4 | 42.9% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jul 2018 | Dmitry Gordievsky | 2,638 | 51st Biel MTO Open | D00 |
| Mar 2013 | Tamas Banusz | 2,599 | 17th Neckar Open A | D44 |
| Aug 2015 | Marin Bosiocic | 2,552 | 5th Split Open | D78 |
| Jul 2019 | Sergey Volkov | 2,548 | ch-SUI HT 119th | D15 |
| Apr 2023 | Sabino Brunello | 2,514 | chT-SUI | B06 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| chT-SUI | 2024 | 88 | 54 | 2,439 |
| ch-GER U16 | 2007 | 18 | 11.5 | 2,187 |
| ch-Baden U14 | 2005 | 14 | 10.5 | 2,114 |
| ch-Baden U16 | 2007 | 13 | 11 | 2,002 |
| ch-GER U12 | 2003 | 11 | 6 | 1,586 |
| ch-Baden MA | 2004 | 11 | 3.5 | 1,943 |
| 12th Gibraltar Masters | 2014 | 10 | 6 | 2,376 |
| chT-SUI 2025 | 2025 | 9 | 7 | 2,609 |
Interactive opening tree from all 402 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Dennis Kaczmarczyk's chess games?
402 games by Dennis Kaczmarczyk, from Oct 2004 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 Dennis Kaczmarczyk has played.
What does Dennis Kaczmarczyk play on the first move as White?
Across 213 games with White in our database, Dennis Kaczmarczyk opens with 1.d4 (64% of games), 1.e4 (18% of games), 1.c4 (15% of games). Against 1.e4 as Black, Dennis Kaczmarczyk answers 1...e6 (81% of games), 1...c5 (18% of games), 1...e5 (1% of games). Against 1.d4: 1...Nf6 (58% of games), 1...d5 (37% of games), 1...f5 (3% of games).
What openings does Dennis Kaczmarczyk play as White?
As White, Dennis Kaczmarczyk's most-played openings in our database are: Trompowsky Attack (21 games, 52.4% win rate); Slav Defense (15 games, 53.3% win rate); Catalan (14 games, 28.6% win rate). The full breakdown of 213 games with White is in the table above.
What openings does Dennis Kaczmarczyk play as Black?
As Black, Dennis Kaczmarczyk most often plays: Indian Defense (17 games, 52.9% win rate); French: Tarrasch Variation (15 games, 26.7% win rate); French: Classical Variation (13 games, 38.5% win rate). See the table above for the top ten Black openings across 189 games.
What is Dennis Kaczmarczyk's FIDE rating?
Dennis Kaczmarczyk is currently rated 2,450 in classical chess. Peak classical rating: 2,490 (Mar 2023).
How many games has Dennis Kaczmarczyk played?
Our database contains 402 games by Dennis Kaczmarczyk, covering Oct 2004 to Aug 2026. Overall record: 190 wins, 120 draws, 92 losses (47.3% win rate).
How do I prepare against Dennis Kaczmarczyk?
402 games by Dennis Kaczmarczyk 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.