Prepare against Bogdan-Daniel Deac
GM · Romania · World #60 classical · FIDE ID 1226380
When preparing against Bogdan-Daniel Deac, expect 1.d4 in 39% of White games. Against 1.e4 the reply is 1...e5 (43% of games); against 1.d4, 1...Nf6 (75%). Lowest win rate among frequent openings: Petrov's Defense as Black, 27.8% over 79 games.
Our database contains 5,909 games by Bogdan-Daniel Deac, covering Sep 2010 to Oct 2026. Below you'll find Bogdan-Daniel Deac's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Bogdan-Daniel Deac 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 | 2,654 | 2,710 | Sep 2022 |
| Rapid | 2,609 | 2,641 | Aug 2024 |
| Blitz | 2,650 | 2,657 | Dec 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 5,909 | 3,342 | 1,391 | 1,176 | 56.6% |
| As White | 2,992 | 1,796 | 664 | 532 | 60.0% |
| As Black | 2,917 | 1,546 | 727 | 644 | 53.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Bogdan-Daniel Deac's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Bogdan-Daniel Deac's side.
First moves as White (2,992 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 1,180 | 39.4% | 68.0% |
| Nf3 | 732 | 24.5% | 75.0% |
| e4 | 668 | 22.3% | 65.7% |
| b3 | 270 | 9.0% | 88.3% |
| c4 | 125 | 4.2% | 68.8% |
| g3 | 5 | 0.2% | 80.0% |
Main lines as White
- 1.d4 — 39% of White games, 68.0% score
- …Nf6 (61% of these games) — Deac usually continues c4 (65.9% score)
- …d5 (27% of these games) — Deac usually continues c4 (67.3% score)
- …e6 (5% of these games) — Deac usually continues Nf3 (59.6% score)
- 1.Nf3 — 24% of White games, 75.0% score
- …d5 (42% of these games) — Deac usually continues d4 (65.2% score)
- …Nf6 (41% of these games) — Deac usually continues c4 (76.0% score)
- …c5 (9% of these games) — Deac usually continues e3 (67.9% score)
As Black against 1.e4 (1,314 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 561 | 42.7% | 54.4% |
| c5 | 371 | 28.2% | 75.2% |
| c6 | 246 | 18.7% | 76.4% |
| e6 | 64 | 4.9% | 66.4% |
| g6 | 45 | 3.4% | 75.6% |
| Nf6 | 13 | 1.0% | 76.9% |
As Black against 1.d4 (987 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 744 | 75.4% | 62.5% |
| d5 | 152 | 15.4% | 63.5% |
| g6 | 45 | 4.6% | 81.1% |
| f5 | 15 | 1.5% | 70.0% |
| d6 | 14 | 1.4% | 78.6% |
| b5 | 10 | 1.0% | 90.0% |
Bogdan-Daniel Deac's chess games
All 5,909 games by Bogdan-Daniel Deac in the Chess.ceo database (Sep 2010 - Oct 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: 3,342 wins, 1,391 draws, 1,176 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A01 | Nimzovich-Larsen attack | 267 | 226/21/20 | 84.6% |
| D37 | Indian Defense | 252 | 137/73/42 | 54.4% |
| E06 | Catalan | 244 | 138/71/35 | 56.6% |
| A15 | English Opening | 175 | 119/30/26 | 68.0% |
| A07 | Réti Opening | 138 | 93/25/20 | 67.4% |
| D45 | Slav Defense | 111 | 58/34/19 | 52.3% |
| E49 | Nimzo-Indian: Rubinstein System | 99 | 53/34/12 | 53.5% |
| D02 | Queen's Pawn Game | 97 | 56/20/21 | 57.7% |
| D02 | London System | 90 | 63/11/16 | 70.0% |
| A48 | King's Indian Defense | 89 | 55/11/23 | 61.8% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D37 | Indian Defense | 199 | 85/63/51 | 42.7% |
| E04 | Catalan | 185 | 92/54/39 | 49.7% |
| A07 | Réti Opening | 160 | 97/30/33 | 60.6% |
| B40 | Sicilian | 135 | 93/19/23 | 68.9% |
| D02 | London System | 103 | 62/16/25 | 60.2% |
| C50 | Italian Game | 97 | 34/34/29 | 35.1% |
| B06 | Modern Defense | 93 | 70/7/16 | 75.3% |
| C65 | Ruy Lopez: Berlin Defense | 87 | 25/37/25 | 28.7% |
| A13 | English Opening | 80 | 40/24/16 | 50.0% |
| C42 | Petrov's Defense | 79 | 22/29/28 | 27.8% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2025 | Magnus Carlsen | 2,833 | Titled Tue Early | E73 |
| Nov 2016 | Vladimir Kramnik | 2,809 | Medias Kings m1 Fin Blitz 10th | A06 |
| Jun 2025 | Hikaru Nakamura | 2,804 | Titled Tue Early | A40 |
| Jan 2025 | Erigaisi Arjun | 2,801 | Titled Tue Late | B06 |
| Nov 2025 | Fabiano Caruana | 2,795 | Titled Tue | A48 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2026 | 3,171 | 2,322.5 | 2,628 |
| 1st 3-0 Thursday | 2026 | 173 | 118 | 2,574 |
| 2nd 3-0 Thursday | 2026 | 153 | 108.5 | 2,628 |
| 3rd 3-0 Thursday | 2026 | 88 | 57 | 2,560 |
| chT-ROM | 2022 | 79 | 45.5 | 2,540 |
| ch-ROM | 2021 | 67 | 46 | 2,482 |
| ch-EU Blitz | 2023 | 35 | 26 | 2,618 |
| FIDE Grand Swiss | 2025 | 33 | 18 | 2,676 |
Frequent opponents
Head-to-head records: Hikaru Nakamura (53 games) · Dmitry Andreikin (33 games) · Alexey Sarana (30 games) · Jan-Krzysztof Duda (29 games) · Jose Carlos Ibarra Jerez (27 games) · Matthias Bluebaum (27 games) · Etienne Bacrot (25 games) · Olexandr Bortnyk (25 games)
Interactive opening tree from all 5,909 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Bogdan-Daniel Deac's chess games?
5,909 games by Bogdan-Daniel Deac, from Sep 2010 to Oct 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 Bogdan-Daniel Deac has played.
What does Bogdan-Daniel Deac play on the first move as White?
Across 2,992 games with White in our database, Bogdan-Daniel Deac opens with 1.d4 (39% of games), 1.Nf3 (24% of games), 1.e4 (22% of games). Against 1.e4 as Black, Bogdan-Daniel Deac answers 1...e5 (43% of games), 1...c5 (28% of games), 1...c6 (19% of games). Against 1.d4: 1...Nf6 (75% of games), 1...d5 (15% of games), 1...g6 (5% of games).
What openings does Bogdan-Daniel Deac play as White?
As White, Bogdan-Daniel Deac's most-played openings in our database are: Nimzovich-Larsen attack (267 games, 84.6% win rate); Indian Defense (252 games, 54.4% win rate); Catalan (244 games, 56.6% win rate). The full breakdown of 2,992 games with White is in the table above.
What openings does Bogdan-Daniel Deac play as Black?
As Black, Bogdan-Daniel Deac most often plays: Indian Defense (199 games, 42.7% win rate); Catalan (185 games, 49.7% win rate); Réti Opening (160 games, 60.6% win rate). See the table above for the top ten Black openings across 2,917 games.
What is Bogdan-Daniel Deac's FIDE rating?
Bogdan-Daniel Deac is currently rated 2,654 in classical chess, 2,609 in rapid and 2,650 in blitz. Peak classical rating: 2,710 (Sep 2022).
How many games has Bogdan-Daniel Deac played?
Our database contains 5,909 games by Bogdan-Daniel Deac, covering Sep 2010 to Oct 2026. Overall record: 3,342 wins, 1,391 draws, 1,176 losses (56.6% win rate).
How do I prepare against Bogdan-Daniel Deac?
5,909 games by Bogdan-Daniel Deac 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.