Scouting report: Bogdan-Daniel Deac (GM, ROU)

5,840 over-the-board games in the Chess Stalker database (5,312 classical, 229 rapid, 356 blitz): 57% wins, 24% draws, 20% losses. FIDE rating 2644 standard, 2609 rapid, 2650 blitz, world #73. 1,074 games analyzed with Stockfish: 94% accuracy, 0.13 blunders per game.

  • Opening repertoire of Bogdan-Daniel Deac as White and Black, with results per line — free.
  • Weaknesses and blunder patterns, evaluated with Stockfish — free.
  • Recent over-the-board games and endgame statistics.
  • Twin Bot: a sparring bot that imitates Bogdan-Daniel Deac's style so you can rehearse the matchup — free online.

Full report: https://chessstalker.com/fide/1226380 — no account needed.

Chess Stalker

Bogdan-Daniel Deac

GM

Romaniaborn 2001FIDE ID 1226380

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026
2580
2620
2660
2700
2702 · Sep 2023
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Sep 2023Oct 2026
2650
2644
2609
2710peak, Sep 2022
5,840games
3,306wins, 57%
1,382draws, 24%
1,152losses, 20%

Play style

before facing them
Elite accuracy: 94.2% average
Very consistent (89%)
Very precise: only 0.1 blunders/game
Dominates 1.b3 as ♔ (88% in 264 games)

Play against Deac's Twin

Their real openings, level & style

Based on 5,840 games

Openings

5,840 games

Weaknesses

where they slip as ♔ White
Pirc Defense1.e4 d6 2.d4 ♞f6only 9 games, last played 5 months ago55.6%losses
King's Indian: Fianchetto1.d4 ♞f6 2.c4 g6 3.♞c3 ♝g7 4.♞f3only 8 games, last played 10 months ago50.0%losses

Strengths

what holds up for them as ♔ White
Nimzowitsch-Larsen1.b3 e5 2.♝b2 ♞c666 games, last played 8 months ago92.4%wins
London System1.d4 d5 2.♝f4 ♞f617 games, last played 9 months ago82.4%wins

Deep analysis

Stockfish · Classical · 1,074 analyzed
Accuracy by phase
Opening
96.8%
Middlegame
94.1%
Endgame
95.7%
Clutch factor
+4%
Winning (+2)
95%
Equal
96%
Losing (−2)
91%
Problematic pieces
22%
85 err
18%
72 err
18%
72 err
16%
61 err
14%
54 err
12%
47 err
Critical moment
Move 48 avg
2%
1-15
7%
16-25
5%
26-35
24%
36-45
62%
46+
62% of blunders occur after move 46. Keep tension until then.
Error heatmap · Critical squares
13
12
14
13
13
Few
Many
g5
14
e4
13
e5
13
g3
13
f5
12
g5/e4 concentrate most errors. Force decisions in those zones.

Critical blunders

10 errors
#50
♞h5?? vs Keinanen
Endgame · OTB · 2026
#23
♝b4?? vs Nakamura
Middlegame · OTB · 2026
#40
a6?? vs Kollars
Endgame · OTB · 2026
#48
♛f7?? vs Ashraf
Endgame · OTB · 2026
#23
g4?? vs Klekowski
Middlegame · OTB · 2026
#42
♜a8+?? vs Vakhlamov
Endgame · OTB · 2026

Recent games

Bortnyk, Olexandr(2604)

1st 3-0 Thursday · 10 Sept 2026

0–1
Alexander,Joshua(1999)

2nd 3-0 Thursday · 10 Sept 2026

0–1
Ucoluk, Umut(2206)

2nd 3-0 Thursday · 10 Sept 2026

1–0
Kocharin, Timur(2376)

2nd 3-0 Thursday · 10 Sept 2026

0–1
Sahin, Sarp(2173)

2nd 3-0 Thursday · 10 Sept 2026

1–0
Aarit Kapil(2335)

1st 3-0 Thursday · 10 Sept 2026

1–0

Endgame statistics

PRO
Analyzing...

Repertoire

PRO
5,840 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
2,952 games60%W22%D18%L
Move
1. d4
11561w
56%2321
68%
1. ♞f3
7301w
65%2015
75%
1. e4
6571w
53%28%19
67%
1. b3
2641y
84%
88%
1. c4
1276w
53%31%16
69%
1. g3
53y
80%20
80%
1. h3
44y
50%25%25%
63%
1. a3
33y
100%
100%
1. a4
32y
100%
100%
1. f4
15y
100%
100%
1. e3
17y
100%
100%
1. h4
13y
100%
0%

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