GM

Bogner, Sebastian

SUI SUI·Born 1991·FIDE #4692055·1,361 Games

Classical25501,314 Games
Rapid25468 Games
Blitz249539 Games

Statistics

1361

Total

593

Wins

470

Draws

297

Losses

44%35%22%

Play Style

What you need to know before facing them

Elite accuracy: 94.3% average
Solid conversion: 88%
Very consistent (93%)
Very precise: only 0.0 blunders/game
Dominates 1.Nf3 ♔ (74% in 146 games)
Vulnerable to 1.c4 ♚ (only 45%)

Deep Analysis

Stockfish 18 · Classical games · 87 analyzed

Accuracy by phase
Opening97.1%
Middlegame94.7%
Endgame94.9%

Clutch Factor

Performance under pressure

+4%
Winning (+2 or more)95%
38 Games
Equal position96%
35 Games
Losing (-2 or more)91%
14 Games

Problematic Pieces

Which pieces cause most errors?

♖
28%
17 errors
♙
20%
12 errors
♕
16%
10 errors
♞
15%
9 errors
♗
13%
8 errors
♔
8%
5 errors

Critical Moment

When does the first serious error occur?

Move 30average
1-15
16-25
26-35
36-45
46+

Error Heatmap

Where do most errors occur?

2
3
3
3
3
2
3
5
2
3
abcdefgh
Many
Few
Critical squares
h45 err
b53 err
c53 err
d23 err
d53 err
h4/b5 concentrate most errors. Force decisions in those zones.

Recent Games

D
Audi Ameya2418

V Menorca Open A 2026 · 12 Apr 2026

½-½
D
Gan-Erdene, Sugar2444

V Menorca Open A 2026 · 11 Apr 2026

½-½
D
Villa Tornero, Alex2431

V OPEN CHESS MENORCA 2026 · 11 Apr 2026

½-½
D
Wu, Yixing2343

V OPEN CHESS MENORCA 2026 · 9 Apr 2026

½-½
L
Shukhman, Anna2440

V OPEN CHESS MENORCA 2026 · 9 Apr 2026

1-0
W
Katz, Alexander2371

V OPEN CHESS MENORCA 2026 · 8 Apr 2026

1-0

Openings

Based on player games

Weaknesses

EXPLOIT!
White

No significant weaknesses detected as White

Black
King's Indian: Main Line
64.3%
14 Games·Loses

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O

King's Indian: Classical
62.5%
8 GamesLow sample·Loses

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5

Strengths

AVOID
White
Slav: Semi-Slav
76.9%
13 Games·Wins

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3

Nimzo-Indian: Classical
66.7%
12 Games·Wins

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2

Black
Reti vs King's Indian
60.0%
10 Games·Wins

1.Nf3 Nf6 2.c4 g6

Sicilian: Taimanov
53.8%
13 Games·Wins

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6

Critical Blunders

Tactical errors analyzed with Stockfish

9 errors
▶
#49Qf7+??
Endgame
vs Stremavicius
OTB·2025
▶
#28Bxh4??
Tactics
vs Grandelius
OTB·2025
▶
#39Re7??
Tactics
vs Miguel
OTB·2024
▶
#49Rh4??
Endgame
vs Storme
OTB·2024
▶
#22b5??
Tactics
vs Stijve
OTB·2024
▶
#34Qb6??
Tactics
vs Stijve
OTB·2024
▶
#47Rf7??
Endgame
vs Kurmann
OTB·2024
▶
#42Bc5??
Endgame
vs Klauser
OTB·2024
▶
#29f3??
Tactics
vs Ivekovic
OTB·2024
Endgame Statistics

19 endgame categories analyzed — discover where they collapse under pressure

Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO
·
2026
2025
2024
2023
2022
2021
PRO
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Starting Position
710 Games
47%35%18%
1.d4
63%
325
1.e4
60%
223
1.Nf3
74%
146
1.c4
68%
14
1.g3
50%
1
1.a3
100%
1
chessstalkerv3.5

Know your enemy. Win more games.

Resources

Trust & Privacy

🍪No tracking cookies
🔒SSL encrypted
📊Self-hosted analytics

© 2025-2026 Chess Stalker. Not affiliated with Lichess.org or Chess.com

Made with ♟ for chess players

🍪 Cookies · Chess Stalker uses technical cookies (required for operation) and analytical cookies (to improve the service). Analytical cookies are optional.