Scouting report: Sebastian Bogner (GM, SUI)

1,302 over-the-board games in the Chess Stalker database (1,255 classical, 8 rapid, 39 blitz): 44% wins, 33% draws, 22% losses. FIDE rating 2547 standard, 2546 rapid, 2505 blitz. 317 games analyzed with Stockfish: 94% accuracy, 0.03 blunders per game.

  • Opening repertoire of Sebastian Bogner 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 Sebastian Bogner's style so you can rehearse the matchup — free online.

Full report: https://chessstalker.com/fide/4692055 — no account needed.

Sebastian Bogner

GM

Switzerlandborn 1991FIDE ID 4692055

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026
2480
2520
2560
2536 · Sep 2023
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Sep 2023Oct 2026
2547
2546
2505
2619peak, Aug 2018
1,302games
578wins, 44%
435draws, 33%
288losses, 22%

Play style

before facing them
Elite accuracy: 94.2% average
Very consistent (92%)
Very precise: only 0.0 blunders/game
Dominates 1.Nf3 as ♔ (74% in 143 games)
Vulnerable to 1.c4 ♚ (only 46%)

Play against Bogner's Twin

Their real openings, level & style

Based on 1,302 games

Openings

1,302 games

Weaknesses

where they slip as ♔ White

No significant weaknesses detected as white

Strengths

what holds up for them as ♔ White
Slav: Semi-Slav1.d4 d5 2.c4 c6 3.f3 f6 4.c313 games, last played last year76.9%wins
Benoni1.d4 f6 2.c4 c515 games, last played 8 years ago73.3%wins

Deep analysis

Stockfish · Classical · 317 analyzed
Accuracy by phase
Opening
97.1%
Middlegame
94.3%
Endgame
95.2%
Clutch factor
+4%
Winning (+2)
95%
Equal
95%
Losing (−2)
90%
Problematic pieces
24%
54 err
18%
40 err
17%
37 err
15%
33 err
15%
34 err
11%
25 err
Critical moment
Move 53 avg
0%
1-15
11%
16-25
0%
26-35
33%
36-45
56%
46+
56% of blunders occur after move 46. Keep tension until then.
Error heatmap · Critical squares
9
9
8
10
10
8
8
Few
Many
e5
10
f5
10
d7
9
h6
9
d5
8
e5/f5 concentrate most errors. Force decisions in those zones.

Critical blunders

10 errors
#57
b5?? vs Saraci
Endgame · OTB · 2026
#25
xd5?? vs Tezcan
Middlegame · OTB · 2026
#65
f4?? vs Kamer
Endgame · OTB · 2026
#49
f7+?? vs Stremavicius
Endgame · OTB · 2025
#28
xh4?? vs Grandelius
Middlegame · OTB · 2025
#62
d7?? vs Keymer
Endgame · OTB · 2025

Recent games

Peng, Li Min(2531)

TCh-SUI 2026 · 23 Aug 2026

½–½
Seitz, Patrick(2258)

TCh-SUI 2026 · 22 Aug 2026

1–0
Mosesov, Danyil(2466)

TCh-SUI 2026 · 21 Jun 2026

1–0
Kaczmarczyk, Dennis(2451)

TCh-SUI 2026 · 20 Jun 2026

1–0
Saraci, Nderim(2468)

Prishtina Int Open 2026 · 18 Jun 2026

0–1
Tezcan, Alper(2224)

Prishtina Int Open 2026 · 17 Jun 2026

1–0

Endgame statistics

Repertoire

PRO
1,302 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
679 games48%W34%D18%L
Move
1. d4
3093w
44%38%18
63%
1. e4
2143w
43%36%21
61%
1. f3
14311m
63%2215
74%
1. c4
113m
55%36%
73%
1. g3
118y
100%
50%
1. a3
121y
100%
100%

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