Prepare against Mark Demjen
Hungary · World #24,791 classical · FIDE ID 786047
Our database contains 144 games by Mark Demjen, covering Jul 2015 to Jul 2026. Below you'll find Mark Demjen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Mark Demjen 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 | 2,019 | 2,058 | Feb 2020 |
| Rapid | 1,949 | 1,949 | Jul 2026 |
| Blitz | 2,033 | 2,040 | Nov 2019 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 144 | 50 | 32 | 62 | 34.7% |
| As White | 73 | 30 | 16 | 27 | 41.1% |
| As Black | 71 | 20 | 16 | 35 | 28.2% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Mark Demjen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Mark Demjen's side.
First moves as White (73 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 56 | 76.7% | 49.1% |
| d4 | 13 | 17.8% | 61.5% |
| Nf3 | 3 | 4.1% | 50.0% |
| g3 | 1 | 1.4% | 100.0% |
Main lines as White
- 1.e4 — 77% of White games, 49.1% score
- …c5 (43% of these games) — Demjen usually continues Nf3 (33.3% score)
- …e5 (34% of these games) — Demjen usually continues Nf3 (63.2% score)
- …e6 (7% of these games) — Demjen usually continues d4 (25.0% score)
- 1.d4 — 18% of White games, 61.5% score
- …Nf6 (46% of these games) — Demjen usually continues c4 (75.0% score)
- …d5 (46% of these games) — Demjen usually continues Nf3 (75.0% score)
- …g6 (8% of these games) — Demjen usually continues e4 (100.0% score)
As Black against 1.e4 (36 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 23 | 63.9% | 43.5% |
| c6 | 12 | 33.3% | 20.8% |
| c5 | 1 | 2.8% | 0.0% |
As Black against 1.d4 (19 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 19 | 100.0% | 50.0% |
Mark Demjen's chess games
All 144 games by Mark Demjen in the Chess.ceo database (Jul 2015 - 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: 50 wins, 32 draws, 62 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B40 | Sicilian | 19 | 4/7/8 | 21.1% |
| C96 | Ruy Lopez: Closed | 8 | 5/0/3 | 62.5% |
| D02 | London System | 6 | 1/2/3 | 16.7% |
| C02 | French: Advance Variation | 4 | 1/0/3 | 25.0% |
| C60 | Ruy Lopez: Morphy Defense | 3 | 2/0/1 | 66.7% |
| D02 | Queen's Pawn Game | 3 | 2/0/1 | 66.7% |
| A40 | Modern Defense | 3 | 2/1/0 | 66.7% |
| C74 | Ruy Lopez: Steinitz Defense Deferred | 2 | 0/0/2 | 0.0% |
| B12 | Pirc Defense | 2 | 2/0/0 | 100.0% |
| C61 | Ruy Lopez | 2 | 2/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A70 | Benoni Defense | 7 | 4/1/2 | 57.1% |
| A17 | English Opening | 6 | 1/2/3 | 16.7% |
| B18 | Caro-Kann: Classical | 6 | 1/2/3 | 16.7% |
| C50 | Italian Game | 5 | 1/1/3 | 20.0% |
| E40 | Nimzo-Indian: Rubinstein System | 4 | 2/0/2 | 50.0% |
| B12 | Caro-Kann: Advance Variation | 3 | 0/1/2 | 0.0% |
| C77 | Ruy Lopez: Closed | 3 | 3/0/0 | 100.0% |
| C45 | Scotch Game | 3 | 1/0/2 | 33.3% |
| C54 | Italian Game: Classical Variation | 2 | 1/0/1 | 50.0% |
| A00 | Hungarian Opening | 2 | 0/1/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Oct 2020 | Tamas Gunes Ongut | 2,333 | ch-HUN U18 | B50 |
| Oct 2019 | Balazs Pasztor | 2,152 | chT-HUN U18 | C96 |
| Oct 2019 | Tamas Tancsa | 2,082 | chT-HUN U18 | C97 |
| Mar 2024 | Ferenc Pasztor | 2,077 | chT2-HUN Erkel 2324 | C50 |
| Mar 2023 | Albert Sr. Vajda | 2,061 | chT2-HUN Erkel 2223 | C97 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Budapest FS02 Nadassy | 2021 | 19 | 9.5 | 1,921 |
| chT-HUN U18 | 2021 | 13 | 7 | 2,041 |
| chT1-Budapest Lilienthal 1718 | 2018 | 12 | 5 | 1,760 |
| Budapest FS07 Nadassy | 2020 | 10 | 3 | 1,862 |
| chT2-HUN Erkel 2223 | 2023 | 9 | 7 | 2,245 |
| ch-HUN U18 | 2020 | 9 | 3.5 | 2,102 |
| chT2-HUN Maroczy 1819 | 2019 | 8 | 6 | 2,098 |
| ch-HUN U14 | 2016 | 7 | 3 | 1,705 |
Interactive opening tree from all 144 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Mark Demjen's chess games?
144 games by Mark Demjen, from Jul 2015 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 Mark Demjen has played.
What does Mark Demjen play on the first move as White?
Across 73 games with White in our database, Mark Demjen opens with 1.e4 (77% of games), 1.d4 (18% of games), 1.Nf3 (4% of games). Against 1.e4 as Black, Mark Demjen answers 1...e5 (64% of games), 1...c6 (33% of games), 1...c5 (3% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Mark Demjen play as White?
As White, Mark Demjen's most-played openings in our database are: Sicilian (19 games, 21.1% win rate); Ruy Lopez: Closed (8 games, 62.5% win rate); London System (6 games, 16.7% win rate). The full breakdown of 73 games with White is in the table above.
What openings does Mark Demjen play as Black?
As Black, Mark Demjen most often plays: Benoni Defense (7 games, 57.1% win rate); English Opening (6 games, 16.7% win rate); Caro-Kann: Classical (6 games, 16.7% win rate). See the table above for the top ten Black openings across 71 games.
What is Mark Demjen's FIDE rating?
Mark Demjen is currently rated 2,019 in classical chess, 1,949 in rapid and 2,033 in blitz. Peak classical rating: 2,058 (Feb 2020).
How many games has Mark Demjen played?
Our database contains 144 games by Mark Demjen, covering Jul 2015 to Jul 2026. Overall record: 50 wins, 32 draws, 62 losses (34.7% win rate).
How do I prepare against Mark Demjen?
144 games by Mark Demjen 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.