Scouting report: Florian Jenni (GM, SUI)

1,286 over-the-board games in the Chess Stalker database (1,049 classical, 11 rapid, 226 blitz): 40% wins, 31% draws, 28% losses. FIDE rating 2466 standard, 2436 rapid, 2407 blitz. 34 games analyzed with Stockfish: 93% accuracy, 0.03 blunders per game.

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

Full report: https://chessstalker.com/fide/1304232 — no account needed.

Florian Jenni

TitleGrandmasterFederationSwitzerlandBorn1980FIDE ID1304232

Classical2466
Rapid2436
Blitz2407
Games1,286
W · D · L40 / 31 / 28
Peak2550

Rating history

2380
2420
2460
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Oct 2023Nov 2026
Classical2466Rapid2436Blitz2407no games played
Accuracy by phase
96.2%Opening93.2%Middlegame94.7%Endgame
Clutch factor
Insufficient data

Play style

Elite accuracy: 93.2% average
Very consistent (91%)
Very precise: only 0.0 blunders/game
Dominates 1.e4 as ♔ (62% in 569 games)
Vulnerable to 1.Nf3 ♚ (only 48%)

Recent games

Georgiadis, Ioannis(2483)

Swiss Team Championship 2026 · 11 Oct 2026

1–0
Sokolov,And1(2454)

Swiss Team Championship 2026 · 10 Oct 2026

½–½
Maeser, Fabian(2234)

Swiss Team Championship 2026 · 23 Aug 2026

1–0
Pelletier, Yannick(2521)

Swiss Team Championship 2026 · 22 Aug 2026

½–½
Ustianovich, Nazar(2314)

Swiss Team Championship 2026 · 21 Jun 2026

0–1

Play against Jenni's Twin

Their real openings, level & style

Based on 1,286 games

Openings

633 games as White · scores 61.5%

Weaknesses

where they slip as ♔ White
King's Gambit1.e4 e5 2.f4 d511 games, last played 3 years ago45.5%losses

Strengths

what holds up for them as ♔ White
Sicilian: Rossolimo1.e4 c5 2.♞f3 ♞c6 3.♝b519 games, last played 6 years ago63.2%wins
Ruy Lopez: Morphy1.e4 e5 2.♞f3 ♞c6 3.♝b5 a634 games, last played last year55.9%wins

By family

open a family to see its lines
PRO
1,286 games in scope
LineGamesScorevs 61.5%
27059.6%—
8758.6%—
6367.5%+5.9 pts
4763.8%—
4159.8%—
4062.5%—
2363.0%—
1758.8%—

Mistakes

Problematic pieces
Insufficient data
Critical moment
Insufficient data
Error heatmap · Critical squares
Insufficient data

Critical blunders

Tactical errors analyzed with Stockfish

Couldn't load this.

Endgame statistics

Repertoire

PRO
1,286 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
633 games46%W31%D23%L
Move
1. e4
5692w
47%29%24
62%
1. ♞f3
365m
39%44%17
61%
1. d4
233y
35%48%17
59%
1. g3
2Jun 2000
50%50%
75%
1. b3
218y
50%50%
75%
1. c4
118y
100%
50%

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